CN105328605A - Internal hexagonal wrench applicable to narrow space - Google Patents
Internal hexagonal wrench applicable to narrow space Download PDFInfo
- Publication number
- CN105328605A CN105328605A CN201510895290.5A CN201510895290A CN105328605A CN 105328605 A CN105328605 A CN 105328605A CN 201510895290 A CN201510895290 A CN 201510895290A CN 105328605 A CN105328605 A CN 105328605A
- Authority
- CN
- China
- Prior art keywords
- hole
- overcoat
- narrow space
- radial
- radial direction
- 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.)
- Granted
Links
- 241000237509 Patinopecten sp. Species 0.000 claims description 24
- 235000020637 scallop Nutrition 0.000 claims description 24
- 238000009434 installation Methods 0.000 claims description 10
- 230000000452 restraining Effects 0.000 claims description 8
- 230000000875 corresponding Effects 0.000 claims description 3
- 230000001808 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000002146 bilateral Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000037250 Clearance Effects 0.000 description 1
- 230000035512 clearance Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000002441 reversible Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
Abstract
The invention discloses an internal hexagonal wrench applicable to a narrow space. The internal hexagonal wrench is characterized in that a matched outer cover sleeves the outer side of a connecting block at the upper part of a hexagonal socket, wherein at least two radial through holes and a sector hole are formed in the outer cover; a central rotating block in which a radial central hole is formed is mounted in the inner center position of the outer cover in a sleeving manner; a matched handle is mounted in the radial through holes and the sector hole in the outer cover and the radial central hole. According to the internal hexagonal wrench applicable to the narrow space, the handle is inserted into a rotating main body in the radial direction, and the axial height of the internal hexagonal wrench can be compressed, so as to enable the wrench to be applied to the narrow space, and as a result, the use stability of the wrench can be improved; if the handle cannot be rotated in a barrier position, the handle can be simply inwards pushed into the radial through holes and then rotated again, the operation is convenient, and the working efficiency can be obviously improved.
Description
Technical field
The invention belongs to inner hexagon spanner technical field, be specifically related to a kind of Multifunctional internal hexagonal wrench that can be used in narrow space and stir continuously.
Background technology
In the technical fields such as water conservancy and hydropower, multiple electrical equipment adopts hexagon socket head cap screw to be mounted with usually, and because the fit clearance of equipment de-sign is less, hexagon socket head cap screw has the disguised feature embedding machine frame inside, uses very general.Such as hydroenergy storage station is Reversible Pump-Turbine-electricity generation and electromotion unit, and line arrangement is compact, narrow space.At the position that some hexagon socket head cap screws are fastening, during normal service, normal inner hexagon spanner is due to the angle that size restriction cannot work or rotation one is very little reluctantly, and operating difficulties, also easily touches equipment by mistake, bring very large inconvenience to service work.But the existing spanner for hexagon socket head cap screw is mostly L shape at present, namely some needs to insert in the groove of hexagon socket head cap screw, to improve moment of torsion after another part vertically stretches out.Because the fit-up gap of a lot of equipment is very narrow, when being positioned at narrow space, the inner hexagon spanner of L shape cannot insert, and causes assembling and dismounting trouble.Because using the limitation of instrument, cause equipment must consider there is larger fit-up gap when designing, otherwise assembling trouble can be brought.
On the other hand, existing inner hexagon spanner in use, is subject to surrounding obstacles impact, and usually can only rotate an angle just needs to extract, and again change angle and insert, efficiency of assembling is lower.Especially when hexagon socket head cap screw is in blind area, repeatedly extract and insertion has a strong impact on operating efficiency.Repeatedly angle problem is adjusted for solving, existing one-way ratchet wrench be cooperation one sleeve to turn the screw piece such as screw or nut, when pulling this one-way ratchet wrench with this screw piece for pivot, one of them direction can order about screw piece rotate, otherwise other direction then can dally.But existing one-way ratchet wrench complex structure, volume is comparatively large, is only suitable for common exposed bolt, is not suitable for the hexagon socket head cap screw that narrow space is concealed.
Summary of the invention
The object of the invention is, for the current hexagon socket head cap screw for narrow space, not there is reasonable spanner problem, and existing inner hexagon spanner is the trouble needing repeatedly to extract and insert in adjustment angle, provide a kind of can be used for narrow space can the inner hexagon spanner of continuous rotation.
For achieving the above object, the present invention adopts following technical scheme: adopt the inner hexagon spanner that can be used for narrow space, comprise six rib plug and handles, six rib plug tops are provided with contiguous block, outside contiguous block, coupling is set with overcoat, is provided with the restraining structure making both mutually not rotate between contiguous block and overcoat; At least be provided with two radial direction through hole and a scallop hole on the coat, the extended line of two radial direction through hole docks with the both sides hole wall of corresponding scallop hole respectively; In overcoat, center is set with central rotation block simultaneously, and central rotation block is provided with radial center hole; Described handle Matching installation is in the radial direction through hole and scallop hole of overcoat, and handle Matching installation is in described radial center hole simultaneously, and handle can slide axially.
Form annular between the periphery of central rotation block and outer casing inner wall to step down groove, the aperture in described radial center hole is less than the radial direction through hole space of overcoat, and is less than the scallop hole aperture of overcoat; The two ends of spanner are provided with slip-off preventing gear platform; The external diameter of slip-off preventing gear platform is less than the radial direction through hole aperture of overcoat, and is less than scallop hole aperture, but is greater than the aperture in described radial center hole.In described radial direction through hole, in external port and scallop hole, external port is respectively arranged with the guiding entrance of band lead angle.
Described restraining structure is the restraining structure of stupefied post and stupefied column jecket Matching installation, or by radial constraint bolt or pin fixed constraint between six rib plugs and overcoat.
Magnet is set with inside described overcoat.
The invention has the beneficial effects as follows: 1, handle radially inserts in rotating main body by the present invention, can compress the axial height of interior hexagonal wrench, thus makes it be applicable in narrow space, and improves its stability in use.2, handle of the present invention need not be drawn out or reinsert, when each rotating handles arrival obstacle location can not be rotated, only handle inwardly need be pushed in radial direction through hole, using the handle other end as swing arm rotation process again, operation easily, significantly improves operating efficiency.3, the relation that two radial direction through hole that the present invention is arranged coordinate with a scallop hole, the problem of narrow space bilateral symmetry obstacle can be prevented, by suitably rotating rational angle, get around barrier, as long as the central angle of scallop hole is reasonable in design, the hexagon socket head cap screw that almost may be used for any narrow space is installed.4, the central rotation block arranged in overcoat can coordinate handle rotate and do not make handle come off.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the A-A cross-sectional view of Fig. 1;
Structural representation in Fig. 3-Fig. 8 difference Fig. 1.
Number in the figure: 1 is handle, 2 is contiguous block, and 3 is overcoat, and 4 is magnet, spill spin block centered by 5, and 6 to step down groove for annular, and 7 is slip-off preventing gear platform, and 8 be radial direction through hole, and 9 be scallop hole, and 10 is the entrance that leads, and 11 is radial center hole.
detailed description of the invention:
Below in conjunction with accompanying drawing, the invention will be further described.
Can be used for an inner hexagon spanner for narrow space, see Fig. 1, six rib plug tops are provided with contiguous block 2, and outside contiguous block 2, coupling is set with overcoat 3, are provided with to make both can not rotational restraint structure mutually between contiguous block 2 and overcoat 3; Restraining structure is the restraining structure of stupefied post and stupefied column jecket Matching installation, or by radial constraint bolt or pin fixed constraint between six rib plugs and overcoat 3.
Magnet 4 is set with, for adsorbing contiguous block 2 inside described overcoat 3.Various six rib plug models as shown in Fig. 3-Fig. 8, although model is different, the size of contiguous block 2 is all identical, so all with overcoat 3 Matching installation.Contiguous block 2 and six rib plugs can be driven when overcoat 3 rotates to rotate together.
As Fig. 2, it is one group that overcoat 3 is at least provided with two radial direction through hole 8 and a scallop hole 9, two radial direction through hole 8 and a scallop hole 9.The extended line of two radial direction through hole 8 docks with the both sides hole wall of corresponding scallop hole 9 respectively.The relation that two radial direction through hole 8 coordinate with a scallop hole 9, the problem of narrow space bilateral symmetry obstacle can being prevented, by suitably rotating rational angle, getting around barrier, as long as the central angle of scallop hole 9 is reasonable in design, the hexagon socket head cap screw that almost may be used for any narrow space is installed.
Meanwhile, in overcoat 3, center is set with central rotation block 5, and central rotation block 5 is provided with radial center hole 11.The central rotation block 5 arranged in overcoat 3 can coordinate handle 1 rotate and do not make handle 1 come off.
Handle 1 Matching installation is in the radial direction through hole 8 and scallop hole 9 of overcoat 3, and handle 1 Matching installation is in described radial center hole 11 simultaneously, and handle 1 can slide axially.Handle 1 radially inserts in rotating main body, can compress the axial height of interior hexagonal wrench, thus makes it be applicable in narrow space, and improves its stability in use.
Form annular between the periphery of central rotation block 5 and overcoat 3 inwall to step down groove 6, the aperture in described radial center hole 11 is less than radial direction through hole 8 space of overcoat 3, and is less than scallop hole 9 aperture of overcoat 3; The two ends of spanner are provided with slip-off preventing gear platform 7; The external diameter of slip-off preventing gear platform 7 is less than radial direction through hole 8 aperture of overcoat 3, and is less than scallop hole 9 aperture, but is greater than the aperture in described radial center hole 11.In described radial direction through hole 8, in external port and scallop hole 9, external port is respectively arranged with the guiding entrance 10 of band lead angle.Handle 1 need not be drawn out or reinsert, and each rotating handles 1 arrives obstacle location when can not rotate, and only inwardly need push in radial direction through hole 8 by handle 1, and using handle 1 other end as swing arm rotation process again, operation easily, significantly improves operating efficiency.This operation tool is simple and practical, is adapted to various space-constrained service work face.Can free adjustment moment, increase the anglec of rotation, flexibility is strong.Volume is little, hand direct control, effectively reduces and uses the inconvenience of conventional tool to bring the hidden danger of by mistake touching equipment.
Claims (5)
1. one kind can be used for the inner hexagon spanner of narrow space, comprise six rib plug and handles, it is characterized in that: six rib plug tops are provided with contiguous block, outside contiguous block, coupling is set with overcoat, is provided with the restraining structure making both mutually not rotate between contiguous block and overcoat; At least be provided with two radial direction through hole and a scallop hole on the coat, the extended line of two radial direction through hole docks with the both sides hole wall of corresponding scallop hole respectively; In overcoat, center is set with central rotation block simultaneously, and central rotation block is provided with radial center hole; Described handle Matching installation is in the radial direction through hole and scallop hole of overcoat, and handle Matching installation is in described radial center hole simultaneously, and handle can slide axially.
2. the inner hexagon spanner that can be used for narrow space according to claim 1, it is characterized in that: form annular between the periphery of central rotation block and outer casing inner wall and to step down groove, the aperture in described radial center hole is less than the radial direction through hole space of overcoat, and is less than the scallop hole aperture of overcoat; The two ends of spanner are provided with slip-off preventing gear platform; The external diameter of slip-off preventing gear platform is less than the radial direction through hole aperture of overcoat, and is less than scallop hole aperture, but is greater than the aperture in described radial center hole.
3. the inner hexagon spanner that can be used for narrow space according to claim 2, is characterized in that: in described radial direction through hole, in external port and scallop hole, external port is respectively arranged with the guiding entrance of band lead angle.
4. the inner hexagon spanner that can be used for narrow space according to claim 1, is characterized in that: described restraining structure is the restraining structure of stupefied post and stupefied column jecket Matching installation, or by radial constraint bolt or pin fixed constraint between six rib plugs and overcoat.
5. the inner hexagon spanner that can be used for narrow space according to claim 1, is characterized in that: inside described overcoat, be set with magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510895290.5A CN105328605B (en) | 2015-12-08 | 2015-12-08 | Internal hexagonal wrench applicable to narrow space |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510895290.5A CN105328605B (en) | 2015-12-08 | 2015-12-08 | Internal hexagonal wrench applicable to narrow space |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105328605A true CN105328605A (en) | 2016-02-17 |
| CN105328605B CN105328605B (en) | 2017-03-22 |
Family
ID=55279472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510895290.5A Expired - Fee Related CN105328605B (en) | 2015-12-08 | 2015-12-08 | Internal hexagonal wrench applicable to narrow space |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105328605B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111805467A (en) * | 2020-06-24 | 2020-10-23 | 安徽理工大学 | Novel automatic bolt loosening and tightening device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005219157A (en) * | 2004-02-05 | 2005-08-18 | Yamashita Kogyo Kenkyusho:Kk | Handle for socket wrench |
| US20110091268A1 (en) * | 2009-10-15 | 2011-04-21 | Bobby Hu | Driving Assembly with Locking Function |
| CN102490141A (en) * | 2011-11-29 | 2012-06-13 | 宁波蓝鼎电子科技有限公司 | Internal hexagonal wrench |
| CN202780940U (en) * | 2012-07-17 | 2013-03-13 | 余水波 | Novel T-shaped socket with slidable rod |
| CN203875806U (en) * | 2014-06-04 | 2014-10-15 | 重庆工业职业技术学院 | Hexagon socket wrench with rapid assembly and disassembly function |
-
2015
- 2015-12-08 CN CN201510895290.5A patent/CN105328605B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005219157A (en) * | 2004-02-05 | 2005-08-18 | Yamashita Kogyo Kenkyusho:Kk | Handle for socket wrench |
| US20110091268A1 (en) * | 2009-10-15 | 2011-04-21 | Bobby Hu | Driving Assembly with Locking Function |
| CN102490141A (en) * | 2011-11-29 | 2012-06-13 | 宁波蓝鼎电子科技有限公司 | Internal hexagonal wrench |
| CN202780940U (en) * | 2012-07-17 | 2013-03-13 | 余水波 | Novel T-shaped socket with slidable rod |
| CN203875806U (en) * | 2014-06-04 | 2014-10-15 | 重庆工业职业技术学院 | Hexagon socket wrench with rapid assembly and disassembly function |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111805467A (en) * | 2020-06-24 | 2020-10-23 | 安徽理工大学 | Novel automatic bolt loosening and tightening device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105328605B (en) | 2017-03-22 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170322 Termination date: 20211208 |
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| CF01 | Termination of patent right due to non-payment of annual fee |