CN207171892U - Anti-dropout inner hexagon spanner - Google Patents
Anti-dropout inner hexagon spanner Download PDFInfo
- Publication number
- CN207171892U CN207171892U CN201721254699.XU CN201721254699U CN207171892U CN 207171892 U CN207171892 U CN 207171892U CN 201721254699 U CN201721254699 U CN 201721254699U CN 207171892 U CN207171892 U CN 207171892U
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- China
- Prior art keywords
- hawk
- claws
- chuck
- rod
- hexagonal
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- 210000000078 claw Anatomy 0.000 claims abstract description 63
- 230000005415 magnetization Effects 0.000 claims description 3
- 230000002153 concerted effect Effects 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 3
- 238000003780 insertion Methods 0.000 abstract description 3
- 230000037431 insertion Effects 0.000 abstract description 3
- 238000005457 optimization Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Abstract
The utility model discloses a kind of anti-dropout inner hexagon spanner, including handle, the body of rod, the hexagonal head matched with threaded spindle cap nut hexagonal groove, claws of a hawk chuck, the both ends of the body of rod to be fixedly mounted handle and hexagonal head respectively；Hexagonal rod head end is fixed in the body of rod and is further fixed on claws of a hawk chuck, and the claws of a hawk chuck is 36 intermediate plates for surrounding circle, and the intermediate plate is around hexagonal head.The utility model is simple in construction, the minimum inscribed circle of claws of a hawk chuck end is slightly less than the circumscribed circle of threaded spindle cap nut, so claws of a hawk chuck is capable of the nut outer of clamping screw completely, it is located at simultaneously in the hexagonal groove of hexagonal head insertion threaded spindle cap nut of claws of a hawk collet interior, form outside and clamp internal fixed make a concerted effort so that screw rod will not drop from the utility model inner hexagon spanner.
Description
Technical field
The utility model belongs to installation tool technical field, and in particular to a kind of anticreep applied to power equipment installation
Fall inner hexagon spanner.
Background technology
According to State Grid Corporation of China《Earth leakage protective device operation maintenance management Monitor examination method》Job requirement, in order to protect
Hinder leakages at different levels ensure safety, stable operation, it is ensured that leakage protects " three rates " and reaches 100%, and many power supply stations are being carried out comprehensively at present
Electricity box are changed, and run into that the wiring of installation is more during electricity box are actually changed, or installation environment it is more complicated when, can be through
Often the screw rod installed drops phenomenon, and can also run into the screw rod to drop can not find the situation of influence installation progress, or even meeting
The screw rod to drop causes the alternate open circuit of equipment, forms great potential safety hazard, adds construction safety risk, reduces
Our operating efficiency, extend the power failure transformation time.We are had found by being contrasted to several conventional inner hexagon spanners
These instruments exist one it is common the shortcomings that, that is, operation when screw rod can all occur to drop in various degree, even with
The instrument of anti-dropout better performances still has that screw rod comes off, expulsion rate it is high can reach 42.85%.It is therefore desirable to grind
Study carefully a kind of instrument for avoiding screw rod from dropping to use for maintainer, on the one hand contribute to being screwed into for screw rod, make screw rod easily smooth
Enter wiring pile, improve our operating efficiency, on the other hand also ensure that production safety.
The content of the invention
The technical problems to be solved in the utility model is to provide a kind of inner hexagon spanner that will not fall off screw rod, on the one hand carries
Senior engineer people's operating efficiency, on the other hand also ensures that production safety.
The utility model solves above-mentioned technical problem by the following technical programs,
Anti-dropout inner hexagon spanner, it is characterised in that including handle, the body of rod, six matched with threaded spindle cap nut hexagonal groove
Angular pole head, claws of a hawk chuck,
Handle and hexagonal head is fixedly mounted in the both ends of the body of rod respectively；
Hexagonal rod head end, which is fixed, in the body of rod is further fixed on claws of a hawk chuck,
The claws of a hawk chuck is the intermediate plate that 3-6 pieces surround circle, and the intermediate plate is around hexagonal head.
As optimization, the intermediate plate end of the claws of a hawk chuck outwards tilts so that the maximum inscribed circle that intermediate plate end surrounds
Radius is slightly larger than the radius of threaded spindle cap nut, is easy to guide in the hexagonal groove of hexagonal head insertion threaded spindle cap nut；
As optimization, the intermediate plate end of the claws of a hawk chuck carries out chamfered；
As optimization, the side of the intermediate plate connecting-rod body of the claws of a hawk chuck inwardly tilts so that intermediate plate end surrounds
Minimum inscribed circle radius is less than the radius 1-5mm of threaded spindle cap nut, is easy to apply the nut of screw rod by the tail end of claws of a hawk chuck
Certain chucking power；
As optimization, the claws of a hawk chuck and the hexagonal head carry out magnetization treatment, further pass through magnetic absorption spiral shell
Bar, screw rod is avoided to drop；
As optimization, the top of the claws of a hawk chuck is provided with through hole, and the shape of through holes and size are cut with the body of rod
Face is consistent, and the side wall of the claws of a hawk chuck is provided with a threaded aperture, and the aperture is provided with externally threaded screw, institute
State hexagonal head and the body of rod through after the through hole on the top of the claws of a hawk chuck, screwed in by screw in aperture be fixedly connected it is described
Claws of a hawk chuck and the body of rod；
As optimization, the body of rod is provided with round platform close to described hexagonal head one end, and the lateral wall of the round platform is provided with outer
Screw thread；The top of the claws of a hawk chuck is provided with through hole, and the internal thread matched with external screw thread, the hexagonal bar are provided with the through hole
Head and the body of rod, by internal thread and external screw thread matching connection, are convenient for changing damage through the through hole on the top of the claws of a hawk chuck
Claws of a hawk chuck.
The utility model is simple in construction, and the minimum inscribed circle of claws of a hawk chuck end is slightly less than the circumscribed circle of threaded spindle cap nut, this
Sample claws of a hawk chuck is capable of the nut outer of clamping screw completely, while is located at the hexagonal head insertion screw rod spiral shell of claws of a hawk collet interior
In the hexagonal groove of cap, form outside and clamp internal fixed make a concerted effort so that screw rod will not be from the utility model inner hexagon spanner
On drop.
Brief description of the drawings
Fig. 1 is the utility model embodiment structural representation；
Fig. 2 is the utility model embodiment right view；
Fig. 3 is the partial enlarged drawing of the utility model embodiment 3；
Fig. 4 is the partial enlarged drawing of the utility model embodiment 4.
Embodiment
With reference to the accompanying drawings and examples, it is further elaborated on content of the present utility model.
Embodiment 1
Anti-dropout inner hexagon spanner, including handle 1, the body of rod 2, the hexagonal head 3 matched with threaded spindle cap nut hexagonal groove, hawk
Claw clip first 4,
Handle 1 and hexagonal head 3 is fixedly mounted in the both ends of the body of rod 2 respectively；
The end of hexagonal head 3, which is fixed, in the body of rod 2 is further fixed on claws of a hawk chuck 4,
The claws of a hawk chuck 4 is 4 intermediate plates 41 for surrounding circle, and the intermediate plate 41 is around hexagonal head 3；
The end of intermediate plate 41 of the claws of a hawk chuck 4 outwards tilts so that the maximum inscribed circle radius that the end of intermediate plate 41 surrounds
Slightly larger than the radius of threaded spindle cap nut, it is easy to guide hexagonal head 3 to insert in the hexagonal groove of threaded spindle cap nut；In order to further such that
Claws of a hawk chuck 4 more conveniently clamps threaded spindle cap nut, and chamfered is carried out in the end of intermediate plate 41 of the claws of a hawk chuck 4；
The side of the connecting-rod body of intermediate plate 41 of the claws of a hawk chuck 4 inwardly tilts so that in the minimum that the end of intermediate plate 4 surrounds
Circle of contact radius is slightly less than the radius of threaded spindle cap nut, and the present embodiment takes minimum inscribed circle radius less than the radius 1- of threaded spindle cap nut
2mm, it is easy to apply certain chucking power to the nut of screw rod by the tail end of claws of a hawk chuck 4.
Embodiment 2
As an improvement mode, the claws of a hawk chuck 4 and the hexagonal head 3 carry out magnetization treatment, further pass through
Magnetic absorption screw rod, avoids screw rod from dropping, and other are the same as embodiment 1.
Embodiment 3
As an improvement mode, the top of the claws of a hawk chuck 4 is provided with through hole 42, the shapes and sizes of through hole 42 with
The section of the body of rod 2 is consistent, and the side wall of the claws of a hawk chuck 4 is provided with a threaded aperture 43, is set on the aperture 43
Have with externally threaded screw 44, the hexagonal head 3 and the body of rod 2 pass through through after the through hole 42 on the top of the claws of a hawk chuck 4
Screw 44 screws in aperture 43 and is fixedly connected with the claws of a hawk chuck 4 and the body of rod 2, is convenient for changing the claws of a hawk chuck of damage；Its
He is the same as embodiment 1 or 2.
Embodiment 4
As an improvement mode, the body of rod 2 is provided with round platform, the round platform side wall close to described one end of hexagonal head 3
Provided with external screw thread；The top of the claws of a hawk chuck 4 is provided with through hole 42 ', and the interior spiral shell matched with external screw thread is provided with the through hole 42 '
Line 44, the hexagonal head 3 and the body of rod 2 through the top of the claws of a hawk chuck 4 through hole 42 ', by internal thread 44 and described
The external screw thread matching connection of round platform side wall on the body of rod 2, it is convenient for changing the claws of a hawk chuck of damage；Other are the same as embodiment 1 or 2.
The utility model utilizes the outer of claws of a hawk chuck clamping screw nut, and the hexagonal head of claws of a hawk collet interior is inserted in spiral shell
In the hexagonal groove of cap, formed it is outside clamp it is internal fixed make a concerted effort, as long as screw rod is inserted in claws of a hawk chuck, screw rod passes through outer
The fixation of portion's clamping force and content is made a concerted effort, it is such make a concerted effort can be to cause screw rod not fall out, then hand-held handle enters
Row operates in next step.Avoid the single fixation by hexagonal head or magnetic absorption loosely causes what screw rod dropped to ask
Topic.
Clamped in use, screw rod is inserted in the utility model claws of a hawk folder, while the hexagonal head of the utility model end
It is also inserted into the hexagonal groove of threaded spindle cap nut, then back-outs operation by holding handle to complete being screwed into for screw rod, in operation,
Screw rod can be prevented completely to come off, and contribute to being screwed into for screw rod, screw rod is easily smoothly entered wiring pile, improve work effect
Rate.
During using the utility model conducting wire, operating personnel hold the utility model handle, the screw sleeve that will be tightened
Enter in claws of a hawk chuck, by the nut outer of claws of a hawk chuck clamping screw, while the hexagonal head in claws of a hawk chuck is inserted in screw rod
Nut in, after fixation, then screw rod is inserted in terminating wire nostril by hand-held handle, and screw rod is screwed into terminating wire nostril
In screw slot, rotated toward aspect clockwise, the utility model is extracted after tightening, complete operation.
When removing dress wire using the utility model, operating personnel hold the utility model handle, and claws of a hawk chuck is inserted in
Held out against in the nut of screw rod, then hold handle toward counterclockwise rotates, until screw slot of the screw rod from terminating wire nostril is loose
Untill de-, then screw rod is taken out from claws of a hawk chuck, completes operation.
The utility model is simple to operate, flexible, operation sight it is good, operating efficiency can be effectively improved, it also avoid because
Short circuit accident caused by screw rod drops.In addition, the utility model low manufacture cost, when especially being manufactured in the way of embodiment 3,
Every cost instrument is no more than hundred yuan.
Claims (7)
1. anti-dropout inner hexagon spanner, it is characterised in that including handle, the body of rod, the hexagonal matched with threaded spindle cap nut hexagonal groove
Head, claws of a hawk chuck,
Handle and hexagonal head is fixedly mounted in the both ends of the body of rod respectively；
Hexagonal rod head end, which is fixed, in the body of rod is further fixed on claws of a hawk chuck,
The claws of a hawk chuck is the intermediate plate that 3-6 pieces surround circle, and the intermediate plate is around hexagonal head.
2. anti-dropout inner hexagon spanner as claimed in claim 1, it is characterised in that outwards stick up the intermediate plate end of the claws of a hawk chuck
Rise so that the maximum inscribed circle radius that intermediate plate end surrounds is slightly larger than the radius of threaded spindle cap nut.
3. anti-dropout inner hexagon spanner as claimed in claim 1 or 2, it is characterised in that the intermediate plate end of the claws of a hawk chuck is entered
Row chamfered.
4. anti-dropout inner hexagon spanner as claimed in claim 1 or 2, it is characterised in that the intermediate plate connecting rod of the claws of a hawk chuck
The side of body inwardly tilts so that the minimum inscribed circle radius that intermediate plate end surrounds is less than the radius 1-5mm of threaded spindle cap nut.
5. anti-dropout inner hexagon spanner as claimed in claim 1 or 2, it is characterised in that the claws of a hawk chuck and the hexagonal bar
Head carries out magnetization treatment.
6. anti-dropout inner hexagon spanner as claimed in claim 1 or 2, it is characterised in that the top of the claws of a hawk chuck is provided with logical
Hole, the shape of through holes and size are consistent with the section of the body of rod, and the side wall of the claws of a hawk chuck is threaded provided with one
Aperture, the aperture are provided with externally threaded screw, and the hexagonal head and the body of rod are through the top of the claws of a hawk chuck
After through hole, screwed in by screw in aperture and be fixedly connected with the claws of a hawk chuck and the body of rod.
7. anti-dropout inner hexagon spanner as claimed in claim 1 or 2, it is characterised in that the body of rod is close to the hexagonal head
One end is provided with round platform, and the lateral wall of the round platform is provided with external screw thread；The top of the claws of a hawk chuck is provided with through hole, in the through hole
Provided with the internal thread matched with external screw thread, the hexagonal head and the body of rod pass through through the through hole on the top of the claws of a hawk chuck
Internal thread and external screw thread matching connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721254699.XU CN207171892U (en) | 2017-09-28 | 2017-09-28 | Anti-dropout inner hexagon spanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721254699.XU CN207171892U (en) | 2017-09-28 | 2017-09-28 | Anti-dropout inner hexagon spanner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207171892U true CN207171892U (en) | 2018-04-03 |
Family
ID=61749528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721254699.XU Active CN207171892U (en) | 2017-09-28 | 2017-09-28 | Anti-dropout inner hexagon spanner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207171892U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111660241A (en) * | 2020-04-30 | 2020-09-15 | 江苏华骋科技有限公司 | Multi-head screw tightening device capable of preventing screw from being scratched |
-
2017
- 2017-09-28 CN CN201721254699.XU patent/CN207171892U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111660241A (en) * | 2020-04-30 | 2020-09-15 | 江苏华骋科技有限公司 | Multi-head screw tightening device capable of preventing screw from being scratched |
| CN111660241B (en) * | 2020-04-30 | 2024-05-07 | 江苏华骋科技有限公司 | Multi-head screw tightening device capable of preventing screw scratch |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |