CN102689283B - Rotation method wrench - Google Patents
Rotation method wrench Download PDFInfo
- Publication number
- CN102689283B CN102689283B CN201110074361.7A CN201110074361A CN102689283B CN 102689283 B CN102689283 B CN 102689283B CN 201110074361 A CN201110074361 A CN 201110074361A CN 102689283 B CN102689283 B CN 102689283B
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- wrench
- rotation method
- access division
- pointer
- meter
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- 238000000034 method Methods 0.000 title claims abstract description 69
- 210000002445 nipple Anatomy 0.000 claims description 16
- 230000000694 effects Effects 0.000 claims description 13
- 238000005259 measurement Methods 0.000 abstract description 5
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 4
- 206010044565 Tremor Diseases 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 239000006194 liquid suspension Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The invention provides a rotation method wrench. The rotation method wrench comprises a wrench main body (1) and a measurement meter (2), wherein the measurement meter (2) is provided with an indicator (21); and the indicator (21) can be arranged on the wrench main body (1) in a free rotation manner and the indicator (21) is a magnetic needle, so that when the wrench main body (1) rotates, the pointing direction of the indicator (21) keeps the same. In a use process of the rotation method wrench provided by the invention, the wrench main body rotates and the pointing direction of the indicator keeps the same, so that a relative movement is generated between the wrench main body and the indicator. The phenomenon that the indicator is falsely operated, which is caused by unstable surface fixation or other external factors, does not happen, so that the rotation method wrench provided by the invention can accurately measure a rotating angle of the wrench main body. Meanwhile, compared with an electric wrench or other rotation method wrenches using electronic equipment, the rotation method wrench provided by the invention has simple structure and low cost.
Description
Technical field
The present invention relates to a kind of spanner, particularly, relate to a kind of rotation method wrench.
Background technology
At present, the mode adding certain corner number of degrees usually through prefastening torque in field of engineering technology tights a bolt, and therefore needs rotation method wrench, to show the anglec of rotation of bolt or spanner.
As shown in Figure 1, normally used rotation method wrench is in the wrench body 1 of prevailing torque spanner, install pointer 21 and table body 23, shows by the relative motion between pointer 21 and table body 23 angle that wrench body 1 turns over.The pointer 21 of this rotation method wrench is arranged in wrench body 1 by bearing 22, and table body 23 is fixed by keeper 5.When wrench body 1 rotating bolt, pointer 21 rotates with wrench body 1, and table body 23 remains on a metastable position under the effect of keeper 5, thus guarantees the relative motion between pointer 21 and table body 23.
Above-mentioned existing rotation method wrench has following defect:
1) show the fixing more difficult of body 23, in measuring process, table body 23 often rotates due to fixing instability, the accuracy that impact is measured;
2) show body 23 easily to rotate with wrench body 1 by the effect of frictional force (such as showing the friction between body 23 and bearing 22), cause the angle of measurement inaccurate.
In order to ensure the accuracy measured, also have the angle turned over by electric wrench or electronic equipment measuring wrench, but there is the higher shortcoming of cost in electric wrench and electronic equipment.
Summary of the invention
The object of this invention is to provide a kind of rotation method wrench, this rotation method wrench can the angle that turns over of Measurement accuracy wrench body.
For achieving the above object, the invention provides a kind of rotation method wrench, this rotation method wrench comprises wrench body and meter, this meter has pointer, this pointer is rotatably arranged in described wrench body, and described pointer is needle, thus when described this rotation of spanner, the sensing of described pointer remains unchanged.
Preferably, described meter has bearing, and described pointer is rotatably connected to described wrench body by this bearing.
Preferably, described meter has table body, and this table body is fixed on described wrench body, and described pointer to be arranged in described table body and to be rotatably connected to described table body by described bearing.
Preferably, described meter has dial plate, and this dial plate to be arranged in described table body and to be fixed on described table body.
Preferably, described rotation method wrench comprises adapter, and described meter is fixed on described wrench body by this adapter.
Preferably, described adapter comprises: upper Access Division, and on this, Access Division is connected on described table body; Lower Access Division, this lower Access Division is connected in wrench body; And connecting portion, described upper Access Division is connected with lower Access Division by this connecting portion.
Preferably, described upper Access Division is connected on described table body by elastic force and/or form fit, and described lower Access Division is connected in described wrench body by elastic force and/or form fit.
Preferably, described upper Access Division is removably connected with described lower Access Division by described connecting portion.
Preferably, described upper Access Division is provided with nipple, described lower Access Division is provided with lower nipple, and one end of described connecting portion is formed with the upper hickey be threaded with described upper nipple, and the other end is formed with the lower hickey be threaded with described lower nipple.
Preferably, when described wrench body rotates, described pointer keeps sensing constant by the effect in earth's magnetic field.
Preferably, described rotation method wrench also comprises magnet, and when described wrench body rotates, described pointer keeps sensing constant by the effect of this magnet.
Preferably, when using described rotation method wrench rotation fastener, the axis of rotation of described pointer overlaps with the axis of rotation of described securing member.
Known by such scheme, in the use procedure of rotation method wrench of the present invention, wrench body is rotated, the sensing of pointer then remains unchanged (such as can by the effect in earth's magnetic field or by magnets generate magnetic force effect), makes to produce relative motion between described wrench body and pointer.Because rotation method wrench of the present invention there will not be the phenomenon of the pointer misoperation caused because table body fixes shakiness or other external factor, therefore, rotation method wrench provided by the present invention can measure the angle that described wrench body turns over exactly.Meanwhile, compared with using the rotation method wrench of electronic equipment with electric wrench or other, simple with rotation method wrench structure provided by the present invention, with low cost.
Other technical characteristic of the present invention and beneficial effect are described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for description, is used from explanation the present invention, but is not construed as limiting the invention with detailed description of the invention one below.In the accompanying drawings:
Fig. 1 is the schematic diagram of rotation method wrench of the prior art;
Fig. 2 is the front view of rotation method wrench provided by the present invention;
Fig. 3 is the top view of rotation method wrench provided by the present invention;
Fig. 4 is the structural representation of the adapter in rotation method wrench provided by the present invention;
The structural representation of the upper Access Division that Fig. 5 is the adapter shown in Fig. 4;
The structural representation of the lower Access Division that Fig. 6 is the adapter shown in Fig. 4;
Schematic diagram under the using state that Fig. 7 is the adapter shown in Fig. 4.
Description of reference numerals
1 wrench body 2 meter
3 adapter 4 magnets
5 keeper 21 pointers
Body shown by 22 bearings 23
Access Division on 24 dial plates 31
32 times Access Division 33 connecting portions
A protuberance b depressed part
Nipple under the upper nipple d of c
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.Should be understood that, detailed description of the invention described herein, only for instruction and explanation of the present invention, is not construed as limiting the invention.
As shown in Figures 2 and 3, the invention provides a kind of rotation method wrench, this rotation method wrench comprises wrench body 1 and meter 2, this meter 2 has pointer 21, this pointer 21 is rotatably arranged in wrench body 1, and pointer 21 is needle, thus when wrench body 1 rotates, the sensing of pointer 21 remains unchanged.In the use procedure of rotation method wrench, wrench body 1 is rotated, the sensing of pointer 21 then remains unchanged (such as can by the effect in earth's magnetic field or by magnets generate magnetic force effect), makes to produce relative motion between described wrench body 1 and pointer 21.Because rotation method wrench of the present invention there will not be the phenomenon of pointer 21 misoperation caused because table body fixes shakiness or other external factor, therefore, rotation method wrench provided by the present invention can measure the angle that described wrench body 1 turns over exactly.Meanwhile, because rotation method wrench structure of the present invention is simple, and the advantage of lower cost of above-mentioned each part, therefore, it is possible to reduce the cost of rotation method wrench to a certain extent.
Pointer 21 is the parts with magnetic pole, and under the influence of a magnetic field, pointer 21 can keep its sensing constant.Pointer 21 can be various shape, as needle-like, plate-like etc., it also can be arranged in wrench body 1 by multiple method, such as, in cavity volume pointer 21 being suspended in formed in wrench body 1 by the mode of liquid suspension, or by the mode of mechanical connection, pointer 21 is arranged in wrench body 1.Preferably, pointer 21 is arranged in wrench body 1 by the mode of mechanical connection.Particularly, as shown in Figure 1, meter 2 has bearing 22, and pointer 21 is rotatably connected to wrench body 1 by this bearing 22.Bearing 22 is normally used bearing in instrument, and the bearing that needle can be made to rotate freely around it such as, used in compass, because this bearing is known to those skilled in the art, is no longer described in detail to its concrete structure herein.Certainly, pointer 21 in order to improve the certainty of measurement of rotation method wrench, the bearing of other form also can be designed, as long as can be made to rotate freely around it.
As mentioned above, pointer 21 is set directly in wrench body 1, thus forms the simple rotation method wrench of structure.But when the usable area in wrench body 1 is less, this set method is not easy to realize.In order to solve the problem, as shown in Figures 2 and 3, the present invention is the table body 23 that meter 2 provides for holding pointer 21, and this table body 23 is fixed on wrench body 1 and is provided with bearing 22, and 21, pointer is arranged on bearing 22 and also can be rotated freely by this bearing 22.In the use procedure of spanner, table body 23 rotates with wrench body 1, and the sensing of pointer 21 then remains unchanged, and the relative motion between table body 23 and pointer 21 can reflect the angle that wrench body 1 turns over.Because table body 23 is fixed on wrench body 1 and jointly can rotates with wrench body 1, therefore, above-mentioned rotation method wrench can avoid the phenomenon of table body 23 misoperation caused because of fixing unstable or other external factor (as frictional force) of table body 23, thus can the angle that turns over of measuring wrench body 1 exactly.
Table body 23 can be fixed in wrench body 1 by multiple method, such as, weld, bonding etc., no matter adopts which kind of method, all should ensure that in the use procedure of spanner, show body 23 can rotate jointly with wrench body 1.Preferably, as shown in Figure 2, rotation method wrench provided by the present invention comprises adapter 3, and meter 2 is fixed on wrench body 1 by this adapter 3.
Adapter 3 is mainly used in wrench body 1 and meter 2 to couple together, and the table body 23 of meter 2 can be rotated with wrench body 1.Adapter 3 and the connected mode between wrench body 1 and meter 2 can have multiple, be fixedly connected with and removably connect as permanent.Exemplarily, the invention provides a kind of dismountable adapter 3.Particularly, as shown in Figure 4, described adapter 3 comprises Access Division 31, lower Access Division 32 and connecting portion 33, upper Access Division 31 is connected on table body 23, lower Access Division 32 is connected in wrench body 1 (as the handle portion being connected to spanner or sleeve on), and upper Access Division 31 and lower Access Division 32 couple together by this connecting portion 33.Like this, when not needing to use meter 2, just can dismantle meter 2 and adapter 3 from wrench body 1 and they be deposited, thus avoiding causing unexpected failure to meter 2.
Upper Access Division 31 can be made up of the material (as steel, plastics) that elastic deformation can occur, and is connected on table body 23 by the elastic force of himself, as shown in Figure 6 and Figure 7.Also as shown in figure 5 and figure 7, upper Access Division 31 with the corresponding position of table body 23 can form the protruding a matched and depression b, by form fit, upper Access Division 31 are connected on table body 23.Or, also can adopt the mode known to other those skilled in the art, removably connecting in realization between Access Division 31 and table body 23.Certainly, in actual use, also above-mentioned elastic force snap method and form fit Combination of Methods can be used, to play best connection effect.Identical with upper Access Division 31, lower Access Division 32 also can be connected in wrench body 1 by elastic force and/or form fit, in order to avoid unnecessary repetition, is no longer described in detail the connected mode between lower Access Division 32 and wrench body 1 herein.
In addition, preferably, upper Access Division 31 and lower Access Division 32 removably couple together by connecting portion 33.Fig. 4 provides a kind of dismountable adapter, as shown in Figure 4, upper Access Division 31 is provided with nipple c, lower Access Division 32 is provided with lower nipple d, one end of connecting portion 33 is formed with the upper hickey be threaded with upper nipple c, the other end is formed with the lower hickey be threaded with lower nipple d, by upper nipple c and upper hickey and the threaded engagement between lower nipple d and lower hickey, removably connecting of Access Division 31 and lower Access Division 32 and connecting portion 33 can be realized.Certainly, aforesaid way is a kind of representative embodiment, and under thought of the present invention guides, those skilled in the art it will also be appreciated that other feasible embodiment multiple, and the present invention no longer enumerates it.
Conveniently use, as shown in Figure 3, preferably, meter 2 also has dial plate 24, and this dial plate 24 is arranged on to be shown in body 23 and is fixed on table body 23.Dial plate 24 can draw scale, thus enable operator accurately and rapidly determine the angle that wrench body 1 turns over.
Usually, when wrench body 1 rotates, pointer 21 can keep sensing constant by the effect in earth's magnetic field.But the angle between wrench body in use procedure 1 and the action direction in earth's magnetic field is excessive, or when the region that cannot act in earth's magnetic field uses spanner, this spanner provided by the present invention often cannot the angle that turns over of measuring wrench body 1 exactly.In order to make up above-mentioned deficiency, this law is bright is provided with magnet 4 for rotation method wrench, as shown in Figures 2 and 3.Magnet 4 provides magnetic field for pointer 21, and when wrench body 1 rotates, pointer 21 is kept by the effect of magnet 4 pointing to and becomes, to measure the angle that wrench body 1 turns over exactly.Above-mentioned magnet 4 can have variform, as bar magnet, horsehoe magnet or electromagnet etc.In addition, preferably, when using above-mentioned rotation method wrench to screw securing member (as bolt, nut), the axis of rotation of pointer 21 overlaps with the axis of rotation of securing member, thus the scale on dial plate 24 (or table body 23) can be uniformly distributed, guarantee the accuracy measured.
Below the preferred embodiment of the present invention is described in detail by reference to the accompanying drawings; but; the present invention is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.It should be noted that in addition, each concrete technical characteristic described in above-mentioned detailed description of the invention, in reconcilable situation, can be combined by any suitable mode, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.In order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible combination.
Claims (10)
1. a rotation method wrench, this rotation method wrench comprises wrench body (1) and meter (2), this meter (2) has pointer (21), it is characterized in that, this pointer (21) is rotatably arranged in described wrench body (1), and described pointer (21) is needle, described rotation method wrench also comprises the adapter (3) being removably connected to described wrench body (1), described meter (2) is fixed on described wrench body (1) by this adapter (3), thus when described wrench body (1) rotates, the sensing of described pointer (21) remains unchanged, described meter (2) has table body (23), wherein, described adapter (3) comprising:
Upper Access Division (31), on this, Access Division (31) are connected on described table body (23);
Lower Access Division (32), this lower Access Division (32) is connected in wrench body (1); With
Connecting portion (33), described upper Access Division (31) is connected with lower Access Division (32) by this connecting portion (33).
2. rotation method wrench according to claim 1, is characterized in that, described meter (2) has bearing (22), and described pointer (21) is rotatably connected to described wrench body (1) by this bearing (22).
3. rotation method wrench according to claim 2, is characterized in that, described pointer (21) is arranged in described table body (23) and is also rotatably connected to described table body (23) by described bearing (22).
4. rotation method wrench according to claim 3, is characterized in that, described meter (2) has dial plate (24), and this dial plate (24) to be arranged in described table body (23) and to be fixed on described table body (23).
5. rotation method wrench according to claim 3, it is characterized in that, described upper Access Division (31) is connected on described table body (23) by elastic force and/or form fit, and described lower Access Division (32) is connected in described wrench body (1) by elastic force and/or form fit.
6. rotation method wrench according to claim 5, is characterized in that, described upper Access Division (31) is removably connected with described lower Access Division (32) by described connecting portion (33).
7. rotation method wrench according to claim 6, it is characterized in that, described upper Access Division (31) is provided with nipple (c), described lower Access Division (32) is provided with lower nipple (d), one end of described connecting portion (33) is formed with the upper hickey be threaded with described upper nipple (c), and the other end is formed with the lower hickey be threaded with described lower nipple (d).
8. rotation method wrench as claimed in any of claims 1 to 7, is characterized in that, when described wrench body (1) rotates, described pointer (21) keeps sensing constant by the effect in earth's magnetic field.
9. rotation method wrench as claimed in any of claims 1 to 7, it is characterized in that, described rotation method wrench also comprises magnet (4), and when described wrench body (1) rotates, described pointer (21) keeps sensing constant by the effect of this magnet (4).
10. rotation method wrench according to claim 9, is characterized in that, when using described rotation method wrench to screw securing member, the axis of rotation of described pointer (21) overlaps with the axis of rotation of described securing member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110074361.7A CN102689283B (en) | 2011-03-25 | 2011-03-25 | Rotation method wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110074361.7A CN102689283B (en) | 2011-03-25 | 2011-03-25 | Rotation method wrench |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102689283A CN102689283A (en) | 2012-09-26 |
| CN102689283B true CN102689283B (en) | 2015-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110074361.7A Active CN102689283B (en) | 2011-03-25 | 2011-03-25 | Rotation method wrench |
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| Country | Link |
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| CN (1) | CN102689283B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104048832B (en) * | 2013-03-13 | 2016-12-28 | 中华人民共和国昆山出入境检验检疫局 | A kind of bicycle handle bar flexible system safety testing device of corner |
| CN105313055A (en) * | 2015-10-30 | 2016-02-10 | 沈阳黎明航空发动机(集团)有限责任公司 | Force limiting device for locking circumferential annular groove blade combined block |
| CN111678706B (en) * | 2020-05-29 | 2022-04-01 | 中国航发南方工业有限公司 | Tool and method for checking function of propeller speed regulating mechanism |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4091664A (en) * | 1975-05-10 | 1978-05-30 | Hazet-Werk Hermann Zerver | Tightening wrench with angle indicator |
| FR2661743A1 (en) * | 1990-05-04 | 1991-11-08 | Mecanique Energetique | Device for checking the tightening force of a screwed assembly |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB819855A (en) * | 1957-02-05 | 1959-09-09 | Bahco Ab | Improvements in or relating to torque wrenches |
| JP2526075Y2 (en) * | 1990-10-13 | 1997-02-12 | ティアツク株式会社 | Torque Wrench |
| JP2001179649A (en) * | 1999-12-27 | 2001-07-03 | Nitto Kohki Co Ltd | Angle reading component, driver bit assembly and torque driver |
| CN200995387Y (en) * | 2006-12-31 | 2007-12-26 | 潍柴动力股份有限公司 | Torque spanner |
-
2011
- 2011-03-25 CN CN201110074361.7A patent/CN102689283B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4091664A (en) * | 1975-05-10 | 1978-05-30 | Hazet-Werk Hermann Zerver | Tightening wrench with angle indicator |
| FR2661743A1 (en) * | 1990-05-04 | 1991-11-08 | Mecanique Energetique | Device for checking the tightening force of a screwed assembly |
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| Publication number | Publication date |
|---|---|
| CN102689283A (en) | 2012-09-26 |
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