CN108687710A - Torque spanner - Google Patents
Torque spanner Download PDFInfo
- Publication number
- CN108687710A CN108687710A CN201710225113.5A CN201710225113A CN108687710A CN 108687710 A CN108687710 A CN 108687710A CN 201710225113 A CN201710225113 A CN 201710225113A CN 108687710 A CN108687710 A CN 108687710A
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- China
- Prior art keywords
- torque
- connecting rod
- torque value
- force
- ontology
- Prior art date
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Classifications
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The present invention provides a kind of torque spanner,Including ontology,Trip gear,Torque force device,Adjusting apparatus and arithmetic unit,Trip gear has connecting rod and tool heads,Connecting rod is hubbed at ontology,Connecting rod has pivot end and abutment end,Pivot end is pivotally connected tool heads,Connecting rod can opposite tool head pivot pendulum and positioned in first position or the second position,When connecting rod is located at first position,Torque spanner has first arm of force,When connecting rod is located at the second position,Torque spanner has second arm of force,Torque force device is set to ontology and pushing tow abutment end,Adjusting apparatus is movably arranged at ontology and connects torque force device to set initial torque value,Arithmetic unit is set to ontology and includes measuring unit,Arithmetic element and display unit,Measuring unit can measure initial torque value,Initial torque value can be multiplied by the first correction factor or the second correction factor of corresponding first arm of force or second arm of force and obtain correcting torque value by arithmetic element,Torque value is corrected in display unit display.
Description
Technical field
The present invention relates to a kind of torque spanner, espespecially one kind can adjust operating angle and being capable of digital display transformation work
The torque spanner of torque value is corrected after angle.
Background technology
In general, user by fixing pieces such as screw, nut or bolts according to genuine specification in order to be locked to specified torque
Value, it is necessary to fixing piece is locked to after certain tightness and do last correction using the torque spanner of setting specification torque value.
It can be divided into electronic, hydraulic pressure and manual torque spanner by power source there are many torque spanner is planted on the market at present, wherein
Manual torque spanner can be divided into mechanically and electronic type torsional force wrench again.
It is machine such as the 6th, 722, No. 235 Patent Case of US patent number " Torque wrench with a scale "
The manual torque spanner of tool formula, adjustment knob are rotationally attached to one end of long handle, and class protrusion is formed in the upper of adjustment knob
And it is fixedly connected to the push rod of torsion adjusting device, therefore, when adjustment knob is rotated, push rod can also rotate.It is held due to pushing away
The relationship that is spirally connected between set and push rod, pushing sleeve will be moved relative to long handle so that bias piece will be compressed or be stretched, and so be set
Torque of wrenches value.
Another torque spanner, such as the 6th, 981, No. 436 Patent Case " Electronic torque of US patent number
Wrench " is electronic type torsional force wrench, and the torque value of spanner is sensed using strain gauge, passes through analogue-to-digital converters application
In processor, and can be by torque value real-time display in LCD panel.Further, since the setting with strain gauge, such spanner
Head and yoke between allow have the function of adjustment operating angle with respect to pivot pendular motion, and can be real-time by strain gauged
Measure the true torque value after changing torque arm length because adjusting operating angle in ground.
It can be seen from the above, mechanically the construction substantial with electronic type torsional force wrench and differing, mechanical torque spanner
Prompt to reach set torque value with torque-force releasing device, torque-force releasing device generally include spring, release joint with
Mandril.User sets required torque value in torque spanner first, is socketed in mandril from spring at this time and applies to release joint
Strength, when torque spanner pulls fixing piece and reaches the torque value of setting, torque value will be greater than application of the spring to release joint
Strength and generate moment disconnection effect.The sound for tapping torque spanner metal shell is sent out when generating disconnection effect, with true
The reminding effect for reaching torque value is recognized, it may thus be appreciated that the structure of mechanical torque spanner is complex.Conversely, electronic type torsion is pulled
Hand only needs general spanner structure additional strain meter to may achieve the effect of measuring torque value in real time.
However, mechanical torque spanner is influenced by working environment is different, barrier can be encountered in many occasions so that
Operation easily can not be effectively performed by barrier obstruction during pulling.And mechanical torque spanner is by first structure in the sky
Limitation can not convert operating angle after setting torque value, and in other words, transformation operating angle will be so that torque arm length becomes therewith
It is dynamic, and the torque value set is caused to change so that mechanical torque spanner is unable to get accurately torque value.Therefore machinery
Formula torque spanner can not can utilize strain gauge to measure the torsion after adjusting operating angle in real time such as electronic type torsional force wrench
Force value, and be difficult to have the function of to convert operating angle, thus existing machinery formula torque spanner can not convert operating angle or
Accurate torque value can not be provided after transformation angle.
But electronic type torsional force wrench fully relies on electronic building brick, that is, relies on strain gauge to measure torque value, cause cost excessively high
And the cost-effective torque spanner of consumer can not be provided.Though also, the electronic type torsional force wrench of adjustable operating angle can
Torque value is shown in real time, but this will cause the variation frequency of torque value excessive, i.e., torque value is with user's driving torque spanner
Continuous variation, cause user to be difficult to judge whether to reach required torque value.Similarly, by US patent number the 6th,
Fig. 2 of 981, No. 436 patents is it is known that the operating angle change of the mistake more options between the head and yoke of spanner changes commanders and counter makes it
Spanner operation is excessively complicated.
Invention content
The main purpose of torque spanner of the present invention is, provides a kind of torque spanner, solves on existing in the prior art
State technical problem.
To achieve the above object, the technical solution adopted by the present invention is:
A kind of torque spanner, which is characterized in that include:
One ontology, there are one first ends and a second end for tool;
One trip gear, there are one connecting rod and a tool heads, the connecting rods to be hubbed at the first of the ontology for tool
End, connecting rod tool are pivotally connected the tool heads there are one pivot end and an abutment end, the pivot end, which can be relative to
The tool heads pivot is put and is positioned in first position or the second position, and when the connecting rod is located at first position, which has
One first arm of force, when the connecting rod is located at the second position, there are one second arm of forces for torque spanner tool;
One torque force device is set to the abutment end of the ontology and pushing tow connecting rod;
One adjusting apparatus is movably arranged at the second end of the ontology and connects the torque force device to set one
Initial torque value;And
One arithmetic unit, is set to the ontology, the arithmetic unit include a measuring unit being electrically connected mutually,
One arithmetic element and a display unit, the measuring unit can measure the initial torque value, which has first
Pattern and second mode, when the arithmetic element is located at first mode, which is multiplied by a correspondence by the initial torque value
First correction factor of first arm of force and obtain one first amendment torque value, when the arithmetic element is located at second mode, this
The initial torque value is multiplied by the second correction factor of correspondence second arm of force and obtains one second amendment by arithmetic element
Torque value, the display unit can correspond to the arithmetic element first mode or a second mode and show this first correct turn round
Force value or the second amendment torque value.
The torque spanner, wherein:The ontology is in hollow tube-shape, which extends along a first axle, the work
Tool head extends along a second axis, when the connecting rod is positioned with respect to the tool heads in first position, the first axle and this
One 0 degree of angle is formed between two axis, when the connecting rod is positioned with respect to the tool heads in the second position, the first axle and
Form one 15 degree of angle between the second axis, the abutment end of the torque force device flexibly pushing tow connecting rod.
The torque spanner, wherein:There are one tank, two arms and a pivot connected slot, the tanks for connecting rod tool
It is formed in the pivot end along radially extending for the first axle, which extends along the direction of the parallel first axle respectively
It is formed in the pivot end, which is formed between two arms and is connected to the tank, and there are one pivots for tool heads tool
Socket part, the articulated section are set between two arms;
The torque spanner further includes having:
One articulated part is arranged in two arms and the articulated section so that the connecting rod can be relative to the tool heads pivot
It puts and is converted between first position or the second position;
One positioning device is set to the tank and the clip tool heads so that the connecting rod can be in first position or the
Two positions position.
The torque spanner, wherein:A teeth portion is arranged in the articulated section in the tool heads, which includes one
Slide button, an elastic component and a tooth block, the sliding button can along the first axle radial slippage be set to the tank,
There are one class's slot, class's slots along the radial direction of the first axle there is height fall, the elastic component to be set to for sliding button tool
Between the bottom end of the tank and the sliding button, which is resisted against class's slot of the sliding button and can be with the teeth portion of the tool heads
Engagement, as the sliding button slides along the first axle radially with respect to the tank, which corresponds to the rank of the sliding button
Grade slot height fall and along the first axle slide, to change the meshing relation between the tooth block and the teeth portion of the tool heads.
The torque spanner, wherein:The teeth portion has plurality of pins, and one is formed between every two adjacent teeth of the teeth portion
Tooth paddy, the axle center of tooth paddy and the articulated part one of in the plurality of pins paddy that a third axis passes through the teeth portion, this
One 15 degree of angle is formed between three axis and the first axle.
The torque spanner, wherein:The connecting rod is that abutment end tool includes one there are one slot, torque force device is abutted
A escape part and a bias piece, the escape part are set between the abutting slot and the bias piece, which abuts slot with this
It separatably interconnects, which is resisted against between the escape part and the adjusting apparatus, which can correspond to and adjust
Engagement positions adjust the biasing force for being applied to the escape part with respect to the amount of movement of the ontology, so set the initial torque value, when
When the power that the torque spanner uses is more than using initial torque value set by the bias piece, to abut slot mutual with this for the escape part
It is separated.
The torque spanner, wherein:The adjusting apparatus is pushed away including a turning handle, a screw piece, a screw rod with one
Arrived piece, the turning handle are rotatably connected at the second end of the ontology, which is set to screw hole there are one the turning handle and tools, the spiral shell
Bar is bolted in the screw hole of the screw piece and can be moved relative to the screw piece, which is connected to the screw rod and is different from the screw piece
One end, which, which pushes against the bias piece and can be adjusted with respect to the amount of movement of the screw piece corresponding to the screw rod, is applied to this partially
The pushing force of casting die.
The torque spanner, wherein:The adjusting apparatus further includes a pointer member, which is set to the pushing and pressing
Part, the measuring unit can sense the amount of movement of the pointer member, so measure and pushed against set by the bias piece via the push piece
Initial torque value.
The torque spanner, wherein:The arithmetic element includes first button, second button and a third
Button, first button are configured as setting the arithmetic element to first mode, and the first amendment torque value is shown in this
Display unit, second button are configured as setting the arithmetic element to second mode, and the second amendment torque value is shown
In the display unit, which is configured as switching the first amendment torque value or the second amendment torque value is shown in this
The torsion unit of display unit.
The torque spanner, wherein:The arithmetic element is printed circuit board.
Compared with prior art, the invention has the advantages that:The display unit can correspond to the arithmetic element
First mode or a second mode and show this first correct torque value or this second correct torque value;User can be from this
Display unit watches the second amendment torque value, this true torsion provided at the second position for torque spanner of the present invention
Value.In this way, torque spanner of the present invention does not need accurate electronic building brick, and can be after digital display transformation operating angle amendment
Torque value, therefore manufacturing cost can be reduced, a kind of torque spanner of high performance-price ratio of consumer is provided.
Description of the drawings
Fig. 1 is the stereo appearance figure of torque spanner of the present invention.
Fig. 2 is the stereogram exploded view of torque spanner of the present invention.
Fig. 3 is the sectional view of torque spanner of the present invention, and connecting rod for indication is located at first position, and arithmetic element is located at the first mould
Formula.
Fig. 4 is another sectional view of torque spanner of the present invention, indicates that escape part is interconnected with slot is abutted.
Fig. 5 is the continuity of Fig. 4, indicates that the power used when torque spanner is more than and utilizes the initial torsion set by bias piece
Value, to abut slot away from one another with this for escape part.
Fig. 6 is that torque spanner of the present invention uses the schematic diagram, connecting rod for indication to be located at the second position, and arithmetic element is positioned at the
One pattern.
Fig. 7 is that torque spanner of the present invention uses the schematic diagram, connecting rod for indication to be located at the second position, and arithmetic element is positioned at the
Two modes.
Reference sign:10 ontologies;101 first ends;102 second ends;20 trip gears;21 connecting rods;211 pivot joints
End;212 abutment ends;213 tanks;214 arms;215 pivot connected slots;216 abut slot;22 tool heads;221 articulated sections;222 teeth portion;
30 torque force devices;31 escape parts;32 bias pieces;40 adjusting apparatus;41 turning handles;42 screw pieces;421 screw holes;43 screw rods;44 pushing and pressing
Part;45 index parts;50 arithmetic units;51 measuring units;52 arithmetic elements;521 first buttons;522 second buttons;523 thirds
Button;53 display units;60 articulated parts;70 positioning devices;71 sliding buttons;711 class's slots;72 elastic components;73 tooth blocks;L1 first
Axis;L2 second axis;L3 third axis;First arm of forces of A1;Second arm of forces of A2.
Specific implementation mode
Related the technology used in the present invention, means and its effect hereby lift a preferred embodiment and schema are coordinated to be described in detail such as
Afterwards, this is not limited only for purposes of discussion in patent application by such structure.
Fig. 1 to Fig. 7 is please referred to, is stereo appearance figure, stereogram exploded view and the sectional view of torque spanner of the present invention.This hair
Bright torque spanner includes the 30, adjusting apparatus 40 of the torque force device of trip gear 20, one of ontology 10, one and one
Arithmetic unit 50.
The ontology 10, there are one first end 101 and a second ends 102 for tool.In this present embodiment, the ontology 10 is substantial
In hollow tube-shape, and 101 both sides of first end are respectively provided with the molding flat face that is pressurized.
For the trip gear 20 tool there are one connecting rod 21 and a tool heads 22, which is hubbed at the ontology 10
First end 101, there are one pivot end 211 and an abutment end 212, the pivot ends 211 to be pivotally connected the tool heads for the connecting rod 21 tool
22, which can put with respect to 22 pivot of tool heads and be positioned in first position or the second position, when the connecting rod 21
In first position, torque spanner tool is there are one the first arm of force A1 (as shown in Figure 3), when the connecting rod 21 is located at the second position,
There are one the second arm of force A2 (as shown in Figure 6), the so operating angle of adjustment torque spanner of the present invention, the works for torque spanner tool
Have head 22 can direct or indirect connection work package such as:Sleeve, extension rod etc..
In this present embodiment, which extends along a first axle L1, and the tool heads 22 are along a second axis
L2 extends, when the connecting rod 21 is positioned with respect to the tool heads 22 in first position, first axle L1 and second axis L2 it
Between form one 0 degree of angle, when the connecting rod 21 is positioned with respect to the tool heads 22 in the second position, first axle L1 be somebody's turn to do
One 15 degree of angle is formed between second axis L2.In this way, the operating angle of torque spanner of the present invention can be at 0 degree or 15 degree
Positioning, and during torque spanner capable of being avoided to pull, operation can not be effectively performed by barrier obstruction.
The connecting rod 21 tool there are one 213, two arms 214 of tank and a pivot connected slot 215, the tank 213 along this
Radially extending for one axis L1 is formed in the pivot end 211, and two arms 214 are respectively along the direction of parallel first axle L1
It extends to form in the pivot end 211, which is formed between two arms 214 and is connected to the tank 213.It should
More there are one abut slot 216 in the abutment end 212 for connecting rod 21.
There are one articulated section 221, the articulated sections 221 to be set between two arms 214 for the tool heads 22 tool.The tool heads
22 are more arranged in the articulated section 221 there are one teeth portion 222.In this present embodiment, which has plurality of pins, the teeth portion
A tooth paddy is formed between 222 every two adjacent teeth, its in the plurality of pins paddy that a third axis L3 passes through the teeth portion 222
In a tooth paddy and the articulated part 60 axle center, another in the plurality of pins paddy that first axle L1 passes through the teeth portion 222
The axle center of tooth paddy and the articulated part 60 forms one 15 degree of angle between the third axis L3 and first axle L1.So
Operating angle can be positioned at 0 degree or 15 degree.
The torque force device 30 is set to the ontology 10 and the flexibly abutment end 212 of the pushing tow connecting rod 21.The torsion fills
It includes an escape part 31 and a bias piece 32 to set 30, the escape part 31 be set to the abutting slot 216 and the bias piece 32 it
Between, which abuts slot 216 with this and separatably interconnects, which is resisted against the escape part 31 and the adjustment
Between device 40, amount of movement which can be corresponding to adjusting apparatus 40 with respect to the ontology 10 and adjust and be applied to the jump
The biasing force (as shown in Figure 4) of de- part 31, so sets the initial torque value, is utilized when the power that the torque spanner uses is more than
When initial torque value set by the bias piece 32, to abut slot 216 away from one another (as shown in Figure 5) with this for the escape part 31.
The adjusting apparatus 40 is movably arranged at the second end 102 of the ontology 10 and connects the torque force device 30 to set
One initial torque value.In this present embodiment, which sets the initial torsion by the ejection torque force device 30
Value.
The adjusting apparatus 40 includes a screw rod 43 of screw piece 42, one of turning handle 41, one and a push piece 44, the turning handle
41 are rotatably connected at the second end 102 of the ontology 10, which is set to the turning handle 41 and has there are one screw hole 421,
The screw rod 43 is bolted in the screw hole 421 of the screw piece 42 and can be moved relative to the screw piece 42, which is connected to the spiral shell
Bar 43 is different from one end of the screw piece 42, which pushes against the bias piece 32 and can correspond to the screw rod 43 with respect to the spiral shell
The amount of movement of part 42 and adjust the pushing force for being applied to the bias piece 32.
The adjusting apparatus 40 further includes an index part 45, which is set to the push piece 44, the measuring unit
51 can sense the amount of movement of the index part 45, and so measurement pushes against initial set by the bias piece 32 via the push piece 44
Torque value.
The arithmetic unit 50 is set to the ontology 10, which includes a measuring unit being electrically connected mutually
51, an arithmetic element 52 and a display unit 53, which can measure should via the adjusting apparatus 40 pushing and pressing
Initial torque value set by torque force device 30.The arithmetic element 52 has first mode and second mode, when the arithmetic element
52 are located at first mode, which is multiplied by the initial torque value the first of correspondence first arm of force A1 and corrects is
Number obtains one first amendment torque value, and when the arithmetic element 52 is located at second mode, the arithmetic element 52 is by initial torsion
Value is multiplied by the second correction factor of correspondence second arm of force A2 and obtains one second amendment torque value.
The display unit 53 can correspond to the arithmetic element 52 first mode or a second mode and show this first
Correct torque value or the second amendment torque value.In this present embodiment, which is printed circuit board, the display unit
53 be LCD screen.
The arithmetic element 52 includes 521, second buttons 522 of first button and a third button 523, this
One button 521 is configured as setting the arithmetic element 52 to first mode, and the first amendment torque value is shown in the display
Unit 53, second button 522 are configured as setting the arithmetic element 52 to second mode, and the second amendment torque value is shown
It is shown in the display unit 53, which is configured as switching the first amendment torque value or the second amendment torque value
It is shown in the torsion unit such as Newton meter, pound feet etc. of the display unit 53.
Torque spanner of the present invention further includes there are one articulated part 60 and a positioning device 70, which is arranged in
Two arms 214 and the articulated section 221 so that the connecting rod 21 can put with respect to 22 pivot of tool heads and adjust operating angle
Degree.The positioning device 70 is set to the tank 213 simultaneously clip tool heads 22.
The positioning device 70 includes 71, elastic components 72 of a sliding button and a tooth block 73, which can
Along first axle L1 radial slippage be set to the tank 213, the sliding button 71 tool is there are one class's slot 711, the class
Slot 711 along the radial direction of first axle L1 there is height fall, the elastic component 72 to be set to bottom end and sliding of the tank 213
Between button 71, which is resisted against class's slot 711 of the sliding button 71 and can be engaged with the teeth portion 222 of the tool heads 22,
As the sliding button 71 slides along first axle L1 radially with respect to the tank 213, which corresponds to the sliding button
The height fall of 71 class's slot 711 and along first axle L1 slide, to change the teeth portion of the tooth block 73 and the tool heads 22
Meshing relation between 222.I.e. user presses the sliding button 71 so that the elastic component 72 is compressed, which corresponds to
The height fall of class's slot 711 of the sliding button 71 and along first axle L1 slide so that the tooth block 73 be detached from the tool heads
22 teeth portion 222, the connecting rod 21 can be converted with respect to the tool heads 22 in first position or the second position.When user stops
The sliding button 71 is pressed, the reset force of the elastic component 72 pushes the sliding button 71, which slides along first axle L1,
So that the tooth block 73 engages the teeth portion 222 of the tool heads 22 to reach positioning function again.
Specifically, after user pushes against the torque force device 30 using the adjusting apparatus 40 sets initial torque value, when this
After connecting rod 21 is located at first position and sets initial torque value, which, which is switched to first mode, to obtain
Torque value is corrected to first, user can watch the first amendment torque value from the display unit 53, this is pulled for torsion of the present invention
The true torque value provided when the first position of hand.Determine when the connecting rod 21 is converted into the second position by user by first position
When position, initial torque value will be changed correspondingly because of first arm of force A1 variations for second arm of force A2, by the arithmetic element
52, which switch to second mode, can obtain the second amendment torque value, and user can watch the second amendment from the display unit 53
Torque value, this true torque value provided at the second position for torque spanner of the present invention.In this way, torque spanner of the present invention is not
Need accurate electronic building brick, and can be after digital display transformation operating angle amendment torque value, therefore manufacturing cost can be reduced,
A kind of torque spanner of high performance-price ratio of consumer is provided.
When the connecting rod 21 is located at first position, user pushes against the torque force device 30 first with the adjusting apparatus 40 and sets
Initial torque value uses the fortune positioned at first position or the second position with respect to the tool heads 22 according to the connecting rod 21 to select
Calculate the first mode or second mode of unit 52.In other words, user is according to first arm of force for corresponding to first position or the second position
A1 or the second arm of force A2 selects instantly suitable first mode or second mode.The arithmetic element 52 is switched into first mode
The first amendment torque value can be obtained, user can watch the first amendment torque value from the display unit 53, this is this hair
The true torque value that bright torque spanner is provided at this time.In this present embodiment, the opposite tool heads 22 of the connecting rod 21 are in first
Position positions, and one 0 degree of angle is formed between first axle L1 and second axis L2, therefore the first correction factor is 1,
Understand that the first amendment torque value is equal to the initial torque value.
When user's operating angle to be changed, the sliding button 71 can be pressed so that the elastic component 72 is compressed, the tooth block
73 slide corresponding to the height fall of class's slot 711 of the sliding button 71 along first axle L1 so that the tooth block 73 is detached from
The teeth portion 222 of the tool heads 22, the connecting rod 21 can be converted into the second position with respect to the tool heads 22 from first position, when with
Family stops pressing the sliding button 71, which positions to the second position.Enable the connecting rod 21 with respect to the work
Have head 22 to position in first position or the second position, not only avoids the non-unexpectedly pivot that generated through user's wish from putting, more provide
Easy operating angle map function.
At this point, causing first arm of force A1 variations to be second arm of force due to the connecting rod 21 positioning to the second position
A2 causes torque value to change, and in this present embodiment, which positions with respect to the tool heads 22 in the second position, this first
One 15 degree of angle is formed between axis L1 and second axis L2, therefore the second correction factor is about 0.97, that is, assuming should
First arm of force A1 length is 1, and when angle is 15 degree between first axle L1 and second axis L2, second arm of force A2 is equal to
First arm of force A1 is multiplied by cos15 degree, therefore the second amendment torque value is approximately equal to the 97% of the initial torque value, by the operation
Unit 52, which switches to second mode, can obtain the second amendment torque value, and user can watch second from the display unit 53
Correct torque value.Therefore, user must rotate the turning handle 41 and increase the pushing force for being applied to the bias piece 32 so that this is aobvious
Show that the shown by unit 53 second amendment torque value is equal with the initial torque value of setting is initially wanted.Even if in this way, the company
Extension bar 21 is positioned with respect to the tool heads 22 in the second position, and it is second arm of force A2, user to lead to first arm of force A1 variations
Remain able to accurately control the torque value of the torque spanner.
Hold aforesaid operations, when the connecting rod 21 can the opposite tool heads 22 switch back to first position from the second position, and
The arithmetic element 52 switches to first mode, due to being changed to first arm of force A1, the display from second arm of force A2 at this time
The first amendment torque value shown by unit 53 is approximately equal to the 103% of the initial torque value, and user must rotate the turning handle 41
And reduce the pushing force for being applied to the bias piece 32 so that the first amendment torque value shown by the display unit 53 is initial with this
Torque value is equal.
Claims (10)
1. a kind of torque spanner, which is characterized in that include:
One ontology, there are one first ends and a second end for tool;
One trip gear, there are one connecting rod and a tool heads, the connecting rods to be hubbed at the first end of the ontology for tool, should
There are one pivot ends and an abutment end, the pivot end to be pivotally connected the tool heads for connecting rod tool, which can be relative to the work
Have head pivot pendulum and positioned in first position or the second position, when the connecting rod is located at first position, there are one torque spanner tools
First arm of force, when the connecting rod is located at the second position, there are one second arm of forces for torque spanner tool;
One torque force device is set to the abutment end of the ontology and pushing tow connecting rod;
One adjusting apparatus is movably arranged at the second end of the ontology and connects the torque force device to set one initially
Torque value;And
One arithmetic unit, is set to the ontology, the arithmetic unit include a measuring unit being electrically connected mutually, one
Arithmetic element and a display unit, the measuring unit can measure the initial torque value, which has first mode
With second mode, when the arithmetic element is located at first mode, the arithmetic element by the initial torque value be multiplied by a correspondence this
First correction factor of one arm of force and obtain one first amendment torque value, when the arithmetic element is located at second mode, the operation
The initial torque value is multiplied by the second correction factor of correspondence second arm of force and obtains one second amendment torsion by unit
Value, the display unit can correspond to the arithmetic element first mode or a second mode and show this first correct torque value
Or the second amendment torque value.
2. torque spanner as described in claim 1, it is characterised in that:The ontology is in hollow tube-shape, and the connecting rod is along one the
One axis extends, which extends along a second axis, when the connecting rod is positioned with respect to the tool heads in first position, this
The angle that one 0 degree is formed between first axle and the second axis, when the connecting rod is fixed in the second position with respect to the tool heads
Position, forms one 15 degree of angle between the first axle and the second axis, the torque force device flexibly pushing tow connecting rod
Abutment end.
3. torque spanner as claimed in claim 2, it is characterised in that:There are one tank, two arms and one for connecting rod tool
A pivot connected slot, the tank are formed in the pivot end along radially extending for the first axle, two arms respectively along it is parallel this
The direction of one axis is extended to form in the pivot end, which is formed between two arms and is connected to the tank, should
There are one articulated section, the articulated sections to be set between two arms for tool heads tool;
The torque spanner further includes having:
One articulated part is arranged in two arms and the articulated section so that the connecting rod can relative to the tool heads pivot put and
It is converted between first position or the second position;
One positioning device is set to the tank simultaneously clip tool heads so that the connecting rod can be in first position or second
Set positioning.
4. torque spanner as claimed in claim 3, it is characterised in that:A teeth portion is arranged in the articulated section in the tool heads, should
Positioning device includes a sliding button, an elastic component and a tooth block, which can slide along the radial direction of the first axle
It is set to the tank with moving, there are one class's slot, class's slots along the radial direction of the first axle there is height to fall for sliding button tool
Difference, the elastic component are set between the bottom end of the tank and the sliding button, which is resisted against the class's slot and energy of the sliding button
It is enough to be engaged with the teeth portion of the tool heads, as the sliding button slides along the first axle radially with respect to the tank, the tooth block
It is slid along the first axle corresponding to the height fall of class's slot of the sliding button, to change the tooth of the tooth block and the tool heads
Meshing relation between portion.
5. torque spanner as claimed in claim 4, it is characterised in that:The teeth portion has plurality of pins, every two-phase of the teeth portion
A tooth paddy is formed between adjacent tooth, tooth paddy and the pivot one of in the plurality of pins paddy that a third axis passes through the teeth portion
The axle center of fitting forms one 15 degree of angle between the third axis and the first axle.
6. the torque spanner as described in any one of claim 1 to 5, it is characterised in that:The connecting rod is that the abutment end has
There are one slot is abutted, torque force device includes an escape part and a bias piece, and it is inclined with this which is set to the abutting slot
Between casting die, which abuts slot with this and separatably interconnects, which is resisted against the escape part and is filled with the adjustment
Between setting, which can adjust the bias for being applied to the escape part corresponding to adjusting apparatus with respect to the amount of movement of the ontology
Power so sets the initial torque value, and the initial torsion set by the bias piece is utilized when the power that the torque spanner uses is more than
When force value, to abut slot away from one another with this for the escape part.
7. torque spanner as claimed in claim 6, it is characterised in that:The adjusting apparatus includes a turning handle, screw piece, one
A screw rod and a push piece, the turning handle are rotatably connected at the second end of the ontology, which is set to the turning handle and has
There are one screw hole, which is bolted in the screw hole of the screw piece and can be moved relative to the screw piece, which is connected to the spiral shell
Bar is different from one end of the screw piece, which pushes against the bias piece and can correspond to amount of movement of the screw rod with respect to the screw piece
And adjust the pushing force for being applied to the bias piece.
8. torque spanner as claimed in claim 7, it is characterised in that:The adjusting apparatus further includes a pointer member, the index
Part is set to the push piece, which can sense the amount of movement of the pointer member, so measures and is pushed against via the push piece
Initial torque value set by the bias piece.
9. torque spanner as described in claim 1, it is characterised in that:The arithmetic element include first button, one the
Two buttons and a third button, first button are configured as setting the arithmetic element to first mode, and this first is repaiied
Positive torque value is shown in the display unit, which is configured as setting the arithmetic element to second mode, and by this
Two amendment torque values are shown in the display unit, which is configured as switching the first amendment torque value or this second is repaiied
Positive torque value is shown in the torsion unit of the display unit.
10. torque spanner as described in claim 1, it is characterised in that:The arithmetic element is printed circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710225113.5A CN108687710A (en) | 2017-04-07 | 2017-04-07 | Torque spanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710225113.5A CN108687710A (en) | 2017-04-07 | 2017-04-07 | Torque spanner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108687710A true CN108687710A (en) | 2018-10-23 |
Family
ID=63842931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710225113.5A Pending CN108687710A (en) | 2017-04-07 | 2017-04-07 | Torque spanner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108687710A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110394753A (en) * | 2019-08-17 | 2019-11-01 | 五邑大学 | It is a kind of suitable for small space can backhaul digital display type Intelligent spanner |
| CN110861025A (en) * | 2019-11-21 | 2020-03-06 | 三峡大学 | Capacitive grating type sensor torque wrench |
| CN111283590A (en) * | 2018-12-06 | 2020-06-16 | 优钢机械股份有限公司 | Setting method of electronic torque tool |
| TWI744812B (en) * | 2020-03-04 | 2021-11-01 | 優鋼機械股份有限公司 | Torque wrench to maintain accuracy of torque value |
| CN113732999A (en) * | 2021-09-22 | 2021-12-03 | 上海优拜机械股份有限公司 | Torque wrench |
| WO2022077433A1 (en) * | 2020-10-16 | 2022-04-21 | 胡厚飞 | Digital display torque wrench for easy torque adjustment |
| TWI782691B (en) * | 2021-09-03 | 2022-11-01 | 鴻安國際興業有限公司 | Wrench extension rod |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7703357B1 (en) * | 2009-04-09 | 2010-04-27 | Jun-Tsai Shyu | Rotatable handle arrangement for a torque-adjustable wrench |
| US7905163B1 (en) * | 2008-07-14 | 2011-03-15 | Hsin Ying Enterprise Co., Ltd. | Tool combination |
| US20140068909A1 (en) * | 2012-09-10 | 2014-03-13 | Kabo Tool Company | Torque Wrench and Method of Operating the Same |
| US20140331828A1 (en) * | 2013-05-07 | 2014-11-13 | Jerry A. King | Method of Compensating for Adapters or Extensions on an Electronic Torque Wrench |
| CN104684692A (en) * | 2012-08-17 | 2015-06-03 | 株式会社东日制作所 | Angle wrench and rotation angle-measuring device |
-
2017
- 2017-04-07 CN CN201710225113.5A patent/CN108687710A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7905163B1 (en) * | 2008-07-14 | 2011-03-15 | Hsin Ying Enterprise Co., Ltd. | Tool combination |
| US7703357B1 (en) * | 2009-04-09 | 2010-04-27 | Jun-Tsai Shyu | Rotatable handle arrangement for a torque-adjustable wrench |
| CN104684692A (en) * | 2012-08-17 | 2015-06-03 | 株式会社东日制作所 | Angle wrench and rotation angle-measuring device |
| US20140068909A1 (en) * | 2012-09-10 | 2014-03-13 | Kabo Tool Company | Torque Wrench and Method of Operating the Same |
| US20140331828A1 (en) * | 2013-05-07 | 2014-11-13 | Jerry A. King | Method of Compensating for Adapters or Extensions on an Electronic Torque Wrench |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111283590A (en) * | 2018-12-06 | 2020-06-16 | 优钢机械股份有限公司 | Setting method of electronic torque tool |
| CN110394753A (en) * | 2019-08-17 | 2019-11-01 | 五邑大学 | It is a kind of suitable for small space can backhaul digital display type Intelligent spanner |
| CN110861025A (en) * | 2019-11-21 | 2020-03-06 | 三峡大学 | Capacitive grating type sensor torque wrench |
| CN110861025B (en) * | 2019-11-21 | 2021-08-31 | 三峡大学 | Capacitive grating type sensor torque wrench |
| TWI744812B (en) * | 2020-03-04 | 2021-11-01 | 優鋼機械股份有限公司 | Torque wrench to maintain accuracy of torque value |
| WO2022077433A1 (en) * | 2020-10-16 | 2022-04-21 | 胡厚飞 | Digital display torque wrench for easy torque adjustment |
| TWI782691B (en) * | 2021-09-03 | 2022-11-01 | 鴻安國際興業有限公司 | Wrench extension rod |
| CN113732999A (en) * | 2021-09-22 | 2021-12-03 | 上海优拜机械股份有限公司 | Torque wrench |
| CN113732999B (en) * | 2021-09-22 | 2023-03-14 | 上海优拜机械股份有限公司 | Torque wrench |
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