CN110480555A - Torque spanner - Google Patents
Torque spanner Download PDFInfo
- Publication number
- CN110480555A CN110480555A CN201810461116.3A CN201810461116A CN110480555A CN 110480555 A CN110480555 A CN 110480555A CN 201810461116 A CN201810461116 A CN 201810461116A CN 110480555 A CN110480555 A CN 110480555A
- Authority
- CN
- China
- Prior art keywords
- torque
- outer tube
- spanner
- screw hole
- slide bar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005054 agglomeration Methods 0.000 claims description 10
- 230000002776 aggregation Effects 0.000 claims description 10
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 125000003003 spiro group Chemical group 0.000 claims description 4
- 230000006835 compression Effects 0.000 description 9
- 238000007906 compression Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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
- B25B13/00—Spanners; Wrenches
- B25B13/02—Spanners; Wrenches with rigid jaws
- B25B13/06—Spanners; Wrenches with rigid jaws of socket type
-
- 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
Abstract
The present invention is in relation to a kind of torque spanner, it is espespecially a kind of by the force arm that can simply adjust in torque, and it can provide the torque spanner of a variety of fixed torsions and different torque value settings, the slide bar of torque adjustment group is arranged in the outer tube of its main Yu Yicheng hollow tube, it is provided on the slide bar most in the limit screw hole being arranged above and below, in being arranged with a sliding block on the outer diameter of the slide bar, the outer diameter of the sliding block is slightly less than the internal diameter of outer tube, the sliding block is equipped with a screw hole extended transversely through, the screw hole is for a fixed screw from setting and locking knot outside outer tube toward spiral shell in screw hole on the limit screw hole of slide bar, and a torque tripping function mechanism is equipped in the top end of sliding rod, the torque tripping function mechanism is hubbed at the bottom end for being arranged bar of box spanner, it is positioned on slide bar on different location limit screw hole by sliding block, and the length of changeable force arm and the size of active force, and it can change Becoming box spanner can bear the difference of torque value, to meet the use demand of the box spanner of different torque values.
Description
Technical field
The present invention is espespecially a kind of by the force arm that can simply adjust in torque in relation to a kind of torque spanner, and can provide
The torque spanner of a variety of fixed torsions and different torque value settings.
Background technique
General torque spanner is also known as torque wrench or torque spanner, torque (L)=force arm (D) × active force (F),
Need to be arranged the torque value upper limit when carrying out the sealed or disassembly of screw or bolt, to prevent from causing spiral shell because force operation is excessive
Silk or bolt collapse tooth damage, edge this, that is, there is torque spanner as shown in Figure 1 and Figure 2 to generate, be mainly arranged box spanner 1
Pivot knot is provided with a torque tripping function mechanism 12 in one end of handle 11 in the handle 11,12 end of torque tripping function mechanism by
The institute of one compression spring 13 against the end of, the compression spring 13 by the limit that compresses of an adjusting seat 14, and in 11 surface of handle
It is provided with torque value display number 15, in this way, the position by adjusting seat 14 is set, setting 13 one end of compression spring is jumped to torsion
Release mechanism 12 presses the pressure formed to meet torque value set by box spanner 1, in use, when lock sets nut, nut
(when torsion is greater than pressure set by compression spring) when being exerted a force by box spanner 1 and reaching the torque value of its setting, the torsion
Separating mechanism 12 can disconnect and generate the sound moment, to inform the effectiveness for reminding user, but, the nut specification on workplace
Difference, needed for torque value it is different, so the relative position of adjusting seat 14 need to be adjusted, because of the difference of torque value to adjust pressure
Pressure suffered by power spring 13, and shown by the scale of torque value display number 15, to provide the adjustment identification of user, such as
This, stops by rotation handle 11 pressure needed for compression spring 13, provides the set of a variety of different torque values though can reach
Barrel spanner is used, but rotation handle 11 is covered up to the movement of compression spring 13 is numerous always, and by torque value display number 15
Scale is shown to show torque value and recognized with manpower, still has a little error, over time, still will cause screw or bolt
Collapse tooth damage.
Summary of the invention
Edge this, inventor based on its be engaged in various hardware tools design and manufacture many years experience, especially in torsion
The inking of torque wrench and Torque sleeve tool turns round the inconvenience in setting in view of existing torque spanner or Torque sleeve surely, and the phase is to mention
Force arm size can be simply adjusted for one kind and can provide a variety of different torque values simultaneously for the torque spanner of different demands.
The main object of the present invention is to provide a kind of limit screw hole for being positioned at different location on slide bar by sliding block
On, and the size of the length of changeable force arm and active force, make box spanner that the difference of born torque value can be changed, with symbol
The use demand of the box spanner of different torque values is closed, and can accurately be adjusted to the torque spanner of required torque value.
In order to achieve the above object, it is provided with a grooving on the outer tube of the main Yu Yicheng hollow tube of the present invention, on the grooving
Equipped with indicating graduation, it is arranged with a handle in the outer tube bottom end, which is provided with a first through hole, which supplies
One shaft is worn, and is single order level segment in the outer tube；The torque adjustment group is set in outer tube by a jack rod sleeve, is arranged on the slide bar
Having most is in the limit screw hole being arranged above and below, and in being arranged with a sliding block on the outer diameter of the slide bar, which can also be sheathed on outer tube
It is interior, and the outer diameter of the sliding block is slightly less than the internal diameter of outer tube, enable the sliding block by the limit of slide bar, and up and down displacements adjustment in
Position on slide bar, the sliding block are equipped with a screw hole extended transversely through, the screw hole for a fixed screw from outside outer tube toward screw hole
Middle spiral shell sets and locks knot on the limit screw hole of slide bar, is equipped with a torque tripping function mechanism in the top end of sliding rod；It is set on the box spanner
Have a pivot agglomeration, pivot agglomeration is equipped with one second through-hole, and for shaft wear outer tube first through hole and pivot agglomeration the
Two through-holes enable the sleeve barrel spanner knot to be hubbed on outer tube, which agglomerates bottom end integrally formed with bar is arranged, and are arranged bar and pivot knot
Block junction sets thread segment, and the nut spiral shell which is available for adjusting torsion is set, and the first pad is sequentially equipped with below the nut
Piece, a compressed spring and one second gasket are sheathed on and are arranged bar, which can just be resisted against in class's section of outer tube,
And bar end pivot knot is arranged in the torque tripping function mechanism of torque adjustment group.
The accessible advantage of the present invention: it is that providing one kind is positioned at different location limit screw hole on slide bar by sliding block
On, and the size of the length of changeable force arm and active force, and make the difference of changeable the born torque value of box spanner, with
Meet the use demand of the box spanner of different torque values, and by the displacement of sliding, can accurately adjust to required torque
Value, and do not need to adjust compression spring always, that is, it can reach the purpose of adjustment torque value.
Detailed description of the invention
Fig. 1 is the appearance diagram of common torque spanner.
Fig. 2 is the combination diagrammatic cross-section of common torque spanner.
Fig. 3 is three-dimensional appearance schematic diagram of the invention.
Fig. 4 is perspective exploded view of the invention.
Fig. 5 is diagrammatic cross-section of the invention.
Fig. 6 is the diagrammatic cross-section of present pre-ferred embodiments one.
Fig. 7 is the diagrammatic cross-section of present pre-ferred embodiments two.
Fig. 8 is the diagrammatic cross-section of present pre-ferred embodiments three.
Description of symbols > in < attached drawing
1- box spanner 11- handle
12- torque tripping function mechanism 13- compression spring
14- adjusting seat 15- torque value display number
2- outer tube
21- grooving 22- handle
23- first through hole 24- shaft
25- class section
3- torque adjustment group
31- slide bar 32,321,322- limit screw hole
33- sliding block 34- screw hole
35- fixed screw 36- torque tripping function mechanism
4- box spanner
41- pivot agglomeration the second through-hole of 42-
43- is arranged bar 44- thread segment
45- nut the first gasket of 46-
47- compressed spring the second gasket of 48-
Specific embodiment
Hereinafter, just structure content and its feature of the invention, and cooperate attached drawing detailed description is as follows, it is believed that can the just present invention
Content and its generation the effect of, make further to understand.
It please refers to shown in Fig. 3~Fig. 5, wherein the present invention mainly includes an outer tube 2, a torque adjustment group 3 and a sleeve
Spanner 4, in which:
One outer tube 2, the outer tube 2 are a hollow tube, and in being provided with a grooving 21 on the outer tube 2, which is equipped with
Indicating graduation (indicating graduation present invention is for according to Newton meter N/M set by the International System of Units), covers in 2 bottom end of outer tube
Equipped with a handle 22, and 2 top of outer tube is provided with a first through hole 23, which wears for a shaft 24, should
It is single order level segment 25 in outer tube 2；
One torque adjustment group 3, the torque adjustment group 3 are mainly sheathed in outer tube 2 by a slide bar 31, set on the slide bar 31
Being equipped with most is in the limit screw hole 32 being arranged above and below, and in being arranged with a sliding block 33 on the outer diameter of the slide bar 31, which also may be used
It is sheathed in outer tube 2, and the outer diameter of the sliding block 33 is slightly less than the internal diameter of outer tube 2, enables the sliding block 33 by the limit of slide bar 31,
And up and down displacements adjustment is in the position on slide bar 31, which is equipped with a screw hole 34 extended transversely through, the screw hole 34 for
One fixed screw 35 from outer tube 2 it is outer set and lock toward spiral shell in screw hole 34 tie on the limit screw hole 32 of slide bar 31, and in the slide bar 31
Top is equipped with a torque tripping function mechanism 36, and (the torque tripping function mechanism is identical as general common torque tripping function mechanism, so no longer
It repeats)；
One box spanner 4, the box spanner 4 are sheathed in the top of outer tube 2, which agglomerates equipped with a pivot
41, pivot agglomeration 41 is equipped with one second through-hole 42, and the first through hole 23 and pivot agglomeration 41 of outer tube 2 are worn by shaft 24
Second through-hole 42 enables the box spanner 4 to be hubbed on outer tube 2, which agglomerates 41 bottom ends integrally formed with bar 43 is arranged, and covers
If bar 43 and pivot agglomerate, 41 junctions set thread segment 44, and 45 spiral shell of nut which is available for adjusting torsion is set, the spiral shell
45 lower section of cap is then sequentially equipped with the first gasket 46, a compressed spring 47 and one second gasket 48 and is sheathed on and is arranged bar 43, this second
48 bottom end of gasket can be just resisted against in class's section 25 of outer tube 2, and the torsion for being arranged 43 end pivot knot of bar in torque adjustment group 3 is jumped
36 top of release mechanism.
In this way, in thread segment 44, (position of 45 spiro of nut can determine that compressed spring 47 is born by 45 spiro of nut
Pressure, can also determine the size of torsion), then sequentially by 48 sets of the first gasket 46, a compressed spring 47 and one second gasket
Set on bar 43 is arranged, 43 end pivot knot of bar is arranged in the torque tripping function mechanism 36 of the slide bar 31 of torque adjustment group 3, then by slide bar
It 31 and is arranged bar 43 and is inserted in outer tube 2, sliding block 33 at this time has been set on the slide bar 31 of torque adjustment group 3, and makes the second pad
48 bottom end of piece is placed in class's section 25 of outer tube 2 and limits, and the first through hole 23 and pivot agglomeration 41 of outer tube 2 are worn by shaft 24
The second through-hole 42, so that the sleeve barrel spanner knot 4 is hubbed on outer tube 2.
Please refer to shown in Fig. 6, the preferred embodiment one of smaller torque value can be born for the present invention, when 45 spiro of nut in
When position on thread segment 44, the pressure that compressed spring 47 is born has been set, i.e., the box spanner 4 has been set to fixed torsion
Torque (L), the length of force arm (D) be take sliding block 33 as fulcrum, the limit screw hole 32 of slide bar 31 to torque tripping function mechanism 36
Between distance, to reach the warning actuation of the torque tripping function mechanism 36, depend on force arm (D) × active force (F), work as force arm
(D) when longer, which is only capable of applying lesser power, i.e., can reach the warning actuation of the torque tripping function mechanism, at this time
The torque value that box spanner 4 can be born is smaller, conversely, please referring to shown in Fig. 7, can bear the preferable of larger torque value for the present invention
Fixed screw 35 is set from the outer spiral shell into 33 screw hole 34 of sliding block of outer tube 2 and locks knot in the limit screw hole 321 of slide bar 31 by embodiment two
On, it is fulcrum that the length of its force arm (D1), which is with sliding block 33, at this time, the limit screw hole 321 of slide bar 31 to torque tripping function mechanism 36
Between distance, to reach the warning actuation of the torque tripping function mechanism 36, depend on force arm (D1) × active force (F1), work as force
When arm (D1) < force arm (D), the active force (F1) > active force (F1) need to apply biggish power, can just reach torsion jump
The warning actuation of release mechanism, the torque value that box spanner 4 at this time can be born are larger.
In this way, be positioned on slide bar 31 in different location limit screw hole (32,321) by sliding block 33, and changeable force
The length of arm and the size of active force, and make the difference of changeable the born torque value of box spanner 4, to meet different torque values
The use demand of box spanner 4 can accurately adjust to required torque value, and do not need one and by the displacement of sliding 33
Straight adjustment compression spring, that is, can reach the purpose of adjustment torque value.
It please refers to shown in Fig. 8, is presently preferred embodiments of the present invention three, which is equipped with most limit screw holes, makes
User only needs to unclamp fixed screw 35 by the limit screw hole 321 of slide bar 31, by the drive of fixed screw 35, and can drive cunning
Block 33 is in 31 upper and lower displacement of slide bar, and when to the indicating graduation relative position of required torque value, then by fixed screw 35 toward sliding block
In 33 screw holes 34 and 322 spiral shell of limit screw hole of slide bar 31 sets and locks knot, can simply reach the length setting of force arm, also
Change the use demand of the different torque values of box spanner 4.
Aforementioned present invention is only given an example with most preferred embodiment, to the personnel for being familiar with this skill, when can carry out each change
Change and implement, this change should all include in spirit and scope of the invention.
In conclusion the present invention is positioned on slide bar on different location limit screw hole by sliding block, and changeable force arm
Length and active force size, and make box spanner can be changed born torque value difference, to meet different torque values
The use demand of box spanner.
Claims (5)
1. a kind of torque spanner mainly includes an outer tube, a torque adjustment group and a box spanner, it is characterised in that:
One outer tube, the outer tube are that a hollow tube is arranged with one in the outer tube bottom end and holds in being provided with a grooving on the outer tube
；
One torque adjustment group, the torque adjustment group are set in outer tube by a jack rod sleeve, are provided on the slide bar most in up and down
The limit screw hole of arrangement in being arranged on the outer diameter of the slide bar and spiro limit has a sliding block, and is equipped with one in the top end of sliding rod and turns round
Power separating mechanism；
One box spanner, the box spanner are sheathed in the top of outer tube, which agglomerates equipped with a pivot, pivot agglomeration
Integrally formed with bar is arranged, this is arranged bar end pivot knot above the torque tripping function mechanism of torque adjustment group.
2. torque spanner as described in claim 1, which is characterized in that the outer tube top is provided with a first through hole, this first
The second through-hole that through-hole is equipped with for the pivot agglomeration that a shaft wears the box spanner, enables the sleeve barrel spanner to be hubbed at outer tube
On.
3. torque spanner as described in claim 1, which is characterized in that the slide block set is set in outer tube, and the outer diameter of the sliding block omits
Less than the internal diameter of outer tube, which is able to the limit by slide bar, and adjusts position in up and down displacements in outer tube.
4. torque spanner as described in claim 1, which is characterized in that this is arranged bar and pivot agglomeration junction sets thread segment, should
The nut spiral shell that thread segment is available for adjusting torsion is set, and the first gasket, a compressed spring and one the are sequentially equipped with below the nut
Two gaskets, which are sheathed on, is arranged bar, which can be resisted against in class's section of outer tube.
5. torque spanner as described in claim 1, which is characterized in that the sliding block is equipped with a screw hole extended transversely through, the spiral shell
Hole is for a fixed screw from setting and locking knot outside outer tube toward spiral shell in screw hole on the limit screw hole of slide bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810461116.3A CN110480555A (en) | 2018-05-15 | 2018-05-15 | Torque spanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810461116.3A CN110480555A (en) | 2018-05-15 | 2018-05-15 | Torque spanner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110480555A true CN110480555A (en) | 2019-11-22 |
Family
ID=68545176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810461116.3A Pending CN110480555A (en) | 2018-05-15 | 2018-05-15 | Torque spanner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110480555A (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3742786A (en) * | 1970-05-26 | 1973-07-03 | Precision Engineering | Torque spanners |
| CN1318452A (en) * | 2001-06-15 | 2001-10-24 | 陈远宪 | Fast two-way rotating fixed-torque spanner and its manufacture |
| CN1417002A (en) * | 2001-10-29 | 2003-05-14 | 株式会社空研 | Torque wrench |
| CN1472043A (en) * | 2002-07-31 | 2004-02-04 | 伟立兴业股份有限公司 | Spanner safety devices |
| US20080282810A1 (en) * | 2007-05-18 | 2008-11-20 | Toyota Motor Engineering & Manufacturing North America, Inc. | Torque setting lug nut wrench |
| CN201249418Y (en) * | 2008-06-11 | 2009-06-03 | 王言忠 | Constant torque boosting wrench for railway sleeper nuts |
| CN202021578U (en) * | 2011-02-18 | 2011-11-02 | 浙江亿洋工具制造有限公司 | Torque wrench structure |
| CN203156637U (en) * | 2012-04-10 | 2013-08-28 | 陈竹村 | Torque wrench |
| CN203887777U (en) * | 2014-04-18 | 2014-10-22 | 赖李玉兰 | Torque wrench improvement structure |
| CN205630453U (en) * | 2016-03-28 | 2016-10-12 | 优钢机械股份有限公司 | Torque spanner of recoverable torsion |
| CN206899112U (en) * | 2017-06-26 | 2018-01-19 | 和嘉兴精密有限公司 | Torque spanner structure |
| CN108098668A (en) * | 2017-11-29 | 2018-06-01 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of torque wrench measuring index selection method of equipped adapter |
| CN208496845U (en) * | 2018-05-22 | 2019-02-15 | 湖北博亿建设实业有限公司 | A kind of electrical engineering presetting system torque spanner |
-
2018
- 2018-05-15 CN CN201810461116.3A patent/CN110480555A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3742786A (en) * | 1970-05-26 | 1973-07-03 | Precision Engineering | Torque spanners |
| CN1318452A (en) * | 2001-06-15 | 2001-10-24 | 陈远宪 | Fast two-way rotating fixed-torque spanner and its manufacture |
| CN1417002A (en) * | 2001-10-29 | 2003-05-14 | 株式会社空研 | Torque wrench |
| CN1472043A (en) * | 2002-07-31 | 2004-02-04 | 伟立兴业股份有限公司 | Spanner safety devices |
| US20080282810A1 (en) * | 2007-05-18 | 2008-11-20 | Toyota Motor Engineering & Manufacturing North America, Inc. | Torque setting lug nut wrench |
| CN201249418Y (en) * | 2008-06-11 | 2009-06-03 | 王言忠 | Constant torque boosting wrench for railway sleeper nuts |
| CN202021578U (en) * | 2011-02-18 | 2011-11-02 | 浙江亿洋工具制造有限公司 | Torque wrench structure |
| CN203156637U (en) * | 2012-04-10 | 2013-08-28 | 陈竹村 | Torque wrench |
| CN203887777U (en) * | 2014-04-18 | 2014-10-22 | 赖李玉兰 | Torque wrench improvement structure |
| CN205630453U (en) * | 2016-03-28 | 2016-10-12 | 优钢机械股份有限公司 | Torque spanner of recoverable torsion |
| CN206899112U (en) * | 2017-06-26 | 2018-01-19 | 和嘉兴精密有限公司 | Torque spanner structure |
| CN108098668A (en) * | 2017-11-29 | 2018-06-01 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of torque wrench measuring index selection method of equipped adapter |
| CN208496845U (en) * | 2018-05-22 | 2019-02-15 | 湖北博亿建设实业有限公司 | A kind of electrical engineering presetting system torque spanner |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20191122 |