CN204565986U - A kind of torque spanner - Google Patents
A kind of torque spanner Download PDFInfo
- Publication number
- CN204565986U CN204565986U CN201520256110.4U CN201520256110U CN204565986U CN 204565986 U CN204565986 U CN 204565986U CN 201520256110 U CN201520256110 U CN 201520256110U CN 204565986 U CN204565986 U CN 204565986U
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- torque spanner
- socket cover
- push rod
- cavity
- snap ring
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Abstract
The utility model discloses a kind of torque spanner, comprise socket cover, for the sleeve of stubborn bolt, push rod and permanent magnet, described socket cover and described sleeve connection also form internal communication unit, described push rod is vertically arranged in described internal communication unit, the top of described sleeve is provided with the spacing preiection having and limit described push rod movement position, the upper end of described push rod is connected with one end of spring, the other end of described spring is connected with the inwall of described socket cover, described permanent magnet is arranged on the bottom of described push rod, on the lateral wall of described socket cover, level connection joint has the retractor device of retractable.Torque spanner disclosed in the utility model, because on the lateral wall of socket cover, level connection joint has the retractor device of retractable, then in the process using spanner, when needs larger torque, retractor device can be extended, thus the moment provided to bolt is provided.
Description
Technical field
The utility model relates to utility technical field, particularly relates to a kind of torque spanner.
Background technology
In machine components assembling process, usually need to use torque spanner to carry out fastening to bolt, in fastening process, if torque spanner does not reach enough moment, then be difficult to bolt tightening, if bolt is twisted tight, machinery the coming off of part in running can be caused.
In prior art, torque spanner is when having limited decreased food, because operating personnel's applied force is also limited, when limited handle and limited force, torque spanner, especially less torque spanner is just difficult to bolt tightening, thus adds Assembly of the parts to difficulty together.
Therefore, the moment how increasing torque spanner and provide is those skilled in the art's technical issues that need to address.
Utility model content
The purpose of this utility model is to provide a kind of torque spanner, and this torque spanner can increase the moment that torque spanner provides.
For solving the problems of the technologies described above, the utility model provides a kind of torque spanner, comprise socket cover, for the sleeve of stubborn bolt, push rod and permanent magnet, described socket cover and described sleeve connection also form internal communication unit, described push rod is vertically arranged in described internal communication unit, the top of described sleeve is provided with the spacing preiection having and limit described push rod movement position, the upper end of described push rod is connected with one end of spring, the other end of described spring is connected with the inwall of described socket cover, described permanent magnet is arranged on the bottom of described push rod, on the lateral wall of described socket cover, level connection joint has the retractor device of retractable.
Preferably, described retractor device comprises:
The hammer drill be connected with the lateral wall of described socket cover;
Be set in the sleeve pipe of described hammer drill periphery;
Be arranged on the snap ring between described sleeve pipe and described hammer drill, described snap ring comprises the first snap ring and the second snap ring, and the periphery of the outer end of described first snap ring and described hammer drill is fixed, and the inwall of the inner end of described second snap ring and described sleeve pipe is fixed.
Preferably, also comprise the draw-in groove on the symmetrical lateral wall being connected to described socket cover with described retractor device, in described draw-in groove, be connected with movable handle.
Preferably, described movable handle is telescopic action handle.
Preferably, described draw-in groove comprises the first cavity and the second cavity, the opening of described first cavity and described second cavity is arranged all upward, and the end of described movable handle is connected with the fixture block that may be stuck in described first cavity, and described fixture block is connected with the contiguous block that may be stuck in described second cavity.
Preferably, the width of described first cavity is narrower than the width of described second cavity.
Preferably, be socketed with indicating arm in described spring, described socket cover be provided with the first hole, described indicating arm can pass described first hole.
Preferably, also comprise and being connected and the limited block matched with described spacing preiection with described push rod, described spring is connected with described limited block.
Preferably, the diameter of described permanent magnet is less than the diameter of described push rod.
Preferably, described sleeve and described socket cover removably connect.
The torque spanner that the utility model provides, jacket casing is needing on the bolt tightened, simultaneously under the effect of permanent magnet, after being set the position of bolt, the then length of adjustable and retractable device, when needing larger moment, retractor device can be adjusted long, under the effect having limiter, increase moment by increasing the arm of force, thus bolt is tightened.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structure chart of a kind of torque spanner that Fig. 1 provides for the utility model embodiment;
The top view of the torque spanner that Fig. 2 provides for the utility model embodiment;
The structure chart of the movable handle in the torque spanner that Fig. 3 provides for the utility model embodiment;
The structure chart of the another kind of torque spanner that Fig. 4 provides for the utility model embodiment.
Detailed description of the invention
Core of the present utility model is to provide a kind of torque spanner, and this torque spanner can increase the moment that torque spanner provides.
In order to make those skilled in the art person understand the utility model scheme better, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
See the structure chart of a kind of torque spanner that Fig. 1, Fig. 1 provide for the utility model embodiment.
The utility model embodiment provides a kind of torque spanner, comprise socket cover 1, sleeve 2, push rod 3 and permanent magnet 4 for stubborn bolt, socket cover 1 is connected with sleeve 2 and forms internal communication unit, push rod 3 is vertically arranged in internal communication unit, the top of sleeve 2 is provided with the spacing preiection 5 with restriction push rod 3 movement position, the upper end of push rod 3 is connected with one end of spring 6, the other end of spring 6 is connected with the inwall of socket cover 1, permanent magnet 4 is arranged on the bottom of push rod 3, and on the lateral wall of socket cover 1, level connection joint has the retractor device 7 of retractable.
The torque spanner that the utility model embodiment provides, sleeve 2 is connected with socket cover 1, when needs tight a bolt, sleeve 2 is entangled bolt, and under the synergy of the permanent magnet 4 of push rod 3 end, when operating personnel's limited strength, retractor device 7 can be extended, thus to bolt tightening, owing to there being the effect of retractor device 7, thus increase the moment tighted a bolt.
Sleeve 2 inside can be designed as the shape adapting to various bolt, and if the hexagon-headed bolt that can match is to the shape in the cylinder designing sleeve 2, sleeve 2 can be fixedly connected with socket cover 1, certainly, also can removably connect with socket cover 1.When sleeve 2 removably connects with socket cover 1, different sleeves 2 can be changed to adapt to different bolt requirements.
As shown in Figure 1, retractor device 7 can comprise: the hammer drill 71 be connected with the lateral wall of socket cover 1; Be set in the sleeve pipe 72 of hammer drill 71 periphery; Be arranged on the snap ring between sleeve pipe 72 and hammer drill 71, snap ring comprises the first snap ring 73 and the second snap ring 74, first snap ring 73 is fixed with the periphery of the outer end of hammer drill 71, and the second snap ring 74 is fixed with the inwall of the inner end of sleeve pipe 72.
When retractor device 7 stretches by needs, the position of sleeve pipe 72 relative to hammer drill 71 can be moved, and be fixed with the first snap ring 73 in the periphery of the outer end of hammer drill 71, the second snap ring 74 is fixed with at the inwall of the inner end of sleeve pipe 72, then due to the acting in conjunction of the first snap ring 73 and the second snap ring 74, sleeve pipe 72 can not from the outer end landing of hammer drill 71.
" outer end " of above-mentioned said hammer drill 71 is one end that hammer drill 71 is not connected with socket cover 1, and " inner end " of sleeve pipe 72 is sleeve pipe 72 one end near socket cover 1.
The thickness of the first snap ring 73 and the second snap ring 74 can be set to 2-5mm, certainly, also can have other set-up modes.
The torque spanner that the utility model embodiment provides can also comprise the draw-in groove 8 with retractor device 7 on the symmetrical lateral wall being connected to socket cover 1, is connected with movable handle 9 in draw-in groove 8.
Be connected with retractor device 7 in one end of the lateral wall of socket cover 1, at the other end of the lateral wall of socket cover 1, namely symmetrical with retractor device 7 position is connected with draw-in groove 8, is provided with movable handle 9 in draw-in groove 8.Above-mentioned arranging can increase a workmen, and workmen holds movable handle 9, together exerts oneself bolt tightening with the workmen holding retractor device 7.
Movable handle 9 also can be set to telescopic movable handle, and being set to telescopic movable handle can increase the moment applied bolt further.Movable handle 9 can be set to rectangular shape or cylindrical shape.
As shown in Figures 2 and 3, the top view of the torque spanner that Fig. 2 provides for the utility model embodiment, the structure chart of the movable handle in the torque spanner that Fig. 3 provides for the utility model embodiment.Further, draw-in groove 8 comprises the first cavity 81 and the second cavity 82, the opening of the first cavity 81 and the second cavity 82 is arranged all upward, and the end of movable handle 9 is connected with the fixture block 10 that may be stuck in the first cavity 81, and fixture block 10 is connected with the contiguous block 11 that may be stuck in the second cavity.The width that can arrange the first cavity 81 is narrower than the width of the second cavity 82, is convenient to movable handle 9 and is stuck in draw-in groove 8.
The height of above-mentioned first cavity 81 and the second cavity 82 all can be set to the 2/3-3/4 of draw-in groove 8 height.
For the ease of observing the tight condition of bolt, can be socketed with indicating arm 12 in spring 6, socket cover 1 be provided with the first hole, indicating arm 12 can pass described first hole.After bolt contacts with permanent magnet 4, that observes bolt by the lifting of indicating arm 12 tightens situation.
As shown in Figure 1, push rod 3 can be connected with the limited block 13 matched with spacing preiection 5, spring 6 is connected with limited block 13, and certainly, push rod 3 self also can match with spacing preiection 5.
Above-mentioned limited block 13 can be set to cylindrical limited block, and the radius of limited block 13 can be set to the internal diameter 2-3mm being less than sleeve 2.
Certainly, the diameter of permanent magnet 4 also can be set to the diameter being less than push rod 3.
As shown in Figure 4, the structure chart of another kind of torque spanner that provides for the utility model embodiment of Fig. 4.When being arranged on after in draw-in groove 8 by movable handle 9, the workmen on socket cover 1 both sides can apply power to torque spanner simultaneously, thus by bolt tightening or unclamp.
Above torque spanner provided by the utility model is described in detail.Apply specific case herein to set forth principle of the present utility model and embodiment, the explanation of above embodiment just understands method of the present utility model and core concept thereof for helping.Should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model principle, can also carry out some improvement and modification to the utility model, these improve and modify and also fall in the protection domain of the utility model claim.
Claims (10)
1. a torque spanner, comprise socket cover (1), for the sleeve (2) of stubborn bolt, push rod (3) and permanent magnet (4), it is characterized in that, described socket cover (1) is connected with described sleeve (2) and forms internal communication unit, described push rod (3) is vertically arranged in described internal communication unit, the top of described sleeve (2) is provided with the spacing preiection (5) with restriction described push rod (3) movement position, the upper end of described push rod (3) is connected with one end of spring (6), the other end of described spring (6) is connected with the inwall of described socket cover (1), described permanent magnet (4) is arranged on the bottom of described push rod (3), on the lateral wall of described socket cover (1), level connection joint has the retractor device (7) of retractable.
2. torque spanner as claimed in claim 1, it is characterized in that, described retractor device (7) comprising:
The hammer drill (71) be connected with the lateral wall of described socket cover (1);
Be set in the sleeve pipe (72) of described hammer drill (71) periphery;
Be arranged on the snap ring between described sleeve pipe (72) and described hammer drill (71), described snap ring comprises the first snap ring (73) and the second snap ring (74), described first snap ring (73) is fixed with the periphery of the outer end of described hammer drill (71), and described second snap ring (74) is fixed with the inwall of the inner end of described sleeve pipe (72).
3. torque spanner as claimed in claim 2, it is characterized in that, also comprise and the draw-in groove (8) on the symmetrical lateral wall being connected to described socket cover (1) of described retractor device (7), in described draw-in groove (8), be connected with movable handle (9).
4. torque spanner as claimed in claim 3, it is characterized in that, described movable handle (9) is telescopic action handle.
5. torque spanner as claimed in claim 3, it is characterized in that, described draw-in groove (8) comprises the first cavity (81) and the second cavity (82), the opening of described first cavity (81) and described second cavity (82) is arranged all upward, the end of described movable handle (9) is connected with the fixture block (10) that may be stuck in described first cavity (81), and described fixture block (10) is connected with the contiguous block (11) that may be stuck in described second cavity (82).
6. torque spanner as claimed in claim 5, it is characterized in that, the width of described first cavity (81) is narrower than the width of described second cavity (82).
7. torque spanner as claimed in claim 1, it is characterized in that, be socketed with indicating arm (12) in described spring (6), (1) is provided with the first hole to described socket cover, and described indicating arm (12) can pass described first hole.
8. torque spanner as claimed in claim 7, it is characterized in that, also comprise and being connected and the limited block (13) matched with described spacing preiection (5) with described push rod (3), described spring (6) is connected with described limited block (13).
9. torque spanner as claimed in claim 1, it is characterized in that, the diameter of described permanent magnet (4) is less than the diameter of described push rod (3).
10. the torque spanner as described in any one of claim 1-9, is characterized in that, described sleeve (2) and described socket cover (1) removably connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520256110.4U CN204565986U (en) | 2015-04-24 | 2015-04-24 | A kind of torque spanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520256110.4U CN204565986U (en) | 2015-04-24 | 2015-04-24 | A kind of torque spanner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204565986U true CN204565986U (en) | 2015-08-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520256110.4U Active CN204565986U (en) | 2015-04-24 | 2015-04-24 | A kind of torque spanner |
Country Status (1)
| Country | Link |
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| CN (1) | CN204565986U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105751140A (en) * | 2016-04-07 | 2016-07-13 | 中国十七冶集团有限公司 | Long-distance magnetic operation wrench |
| CN106451218A (en) * | 2016-11-15 | 2017-02-22 | 国网浙江武义县供电公司 | Sleeve capable of preventing nut and spacer from falling off |
| CN107984284A (en) * | 2017-12-29 | 2018-05-04 | 长沙市台乔机械科技有限公司 | A kind of numerically-controlled machine tool screw accurate nut locking method |
| CN110695898A (en) * | 2019-10-18 | 2020-01-17 | 国网河南省电力公司濮阳供电公司 | Magnetic telescopic sleeve |
| CN114952684A (en) * | 2022-05-11 | 2022-08-30 | 东风柳州汽车有限公司 | Sleeve for flat joint nut |
-
2015
- 2015-04-24 CN CN201520256110.4U patent/CN204565986U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105751140A (en) * | 2016-04-07 | 2016-07-13 | 中国十七冶集团有限公司 | Long-distance magnetic operation wrench |
| CN106451218A (en) * | 2016-11-15 | 2017-02-22 | 国网浙江武义县供电公司 | Sleeve capable of preventing nut and spacer from falling off |
| CN106451218B (en) * | 2016-11-15 | 2018-03-02 | 国网浙江武义县供电公司 | A kind of sleeve for preventing nut, pad from coming off |
| CN107984284A (en) * | 2017-12-29 | 2018-05-04 | 长沙市台乔机械科技有限公司 | A kind of numerically-controlled machine tool screw accurate nut locking method |
| CN110695898A (en) * | 2019-10-18 | 2020-01-17 | 国网河南省电力公司濮阳供电公司 | Magnetic telescopic sleeve |
| CN110695898B (en) * | 2019-10-18 | 2021-05-04 | 国网河南省电力公司濮阳供电公司 | Magnetic telescopic sleeve |
| CN114952684A (en) * | 2022-05-11 | 2022-08-30 | 东风柳州汽车有限公司 | Sleeve for flat joint nut |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |