CN105328605B - Internal hexagonal wrench applicable to narrow space - Google Patents
Internal hexagonal wrench applicable to narrow space Download PDFInfo
- Publication number
- CN105328605B CN105328605B CN201510895290.5A CN201510895290A CN105328605B CN 105328605 B CN105328605 B CN 105328605B CN 201510895290 A CN201510895290 A CN 201510895290A CN 105328605 B CN105328605 B CN 105328605B
- Authority
- CN
- China
- Prior art keywords
- hole
- overcoat
- narrow space
- radial
- handle
- 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.)
- Expired - Fee Related
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 9
- 230000000452 restraining effect Effects 0.000 claims description 6
- 238000003032 molecular docking Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 1
- 230000004888 barrier function Effects 0.000 abstract description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 210000004247 hand Anatomy 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 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 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004899 motility Effects 0.000 description 1
- 230000002441 reversible effect 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
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, and in particular to it is a kind of can be used in that narrow space continuously stirs it is many
Function inner hexagon spanner.
Background technology
In the technical fields such as water conservancy and hydropower, various electrical equipments generally carry out assembling fixation using hexagon socket head cap screw, by
Less in the fit clearance of equipment design, hexagon socket head cap screw has the disguised feature of embedded machine frame inside, using very universal.
For example hydroenergy storage station be Reversible Pump-Turbine-electricity generation and electromotion unit, pipeline characteristics of compact layout, narrow space.At some
The position of hexagon socket head cap screw fastening, during normal service, normal inner hexagon spanner cannot be worked or reluctantly due to size limitation
The angle of one very little of rotation, operating difficultiess are also easy to touch equipment by mistake, bring very big inconvenience to service work.However, at present
The existing spanner for hexagon socket head cap screw is mostly L-shaped, i.e., some is needed in the groove of insertion hexagon socket head cap screw, another portion
Divide after extending perpendicularly out to improve moment of torsion.Due to the fit-up gap of many equipment it is very narrow, positioned at narrow space when, L-shaped it is interior
Die nut cannot be inserted, and cause assembly or disassembly to bother.Because of the limitation using instrument, cause equipment examine in design
Worry has larger fit-up gap, can otherwise bring assembling trouble.
On the other hand, existing inner hexagon spanner when in use, is affected by surrounding obstacles, is typically only capable to rotate an angle
It is accomplished by extracting, changes angle insertion again, efficiency of assembling is relatively low.When especially hexagon socket head cap screw is in blind area, pulling out repeatedly
Go out and insertion has a strong impact on work efficiency.For solving the problems, such as adjustment angle repeatedly, existing one-way ratchet wrench is to coordinate a set of
Cylinder to turn the screw pieces such as screw or nut, when the one-way ratchet wrench is pulled with the screw piece as center of rotation, wherein one
Screw piece rotation can be ordered about in individual direction, conversely, other direction can then dally.However, existing one-way ratchet wrench complex structure,
Volume is larger, is only suitable for common exposed bolt, is not suitable for the concealed hexagon socket head cap screw of narrow space.
The content of the invention
The purpose of the present invention is that do not have reasonable spanner problem for the hexagon socket head cap screw currently used for narrow space,
And existing inner hexagon spanner is the trouble for needing to extract repeatedly and insert in adjustment angle, there is provided one kind can be used for narrow space
The inner hexagon spanner that continuously can be rotated.
For achieving the above object, the present invention is adopted the following technical scheme that:Using the inner hexagon spanner that can be used for narrow space,
Including six rib plugs and handle, six rib plug tops are provided with contiguous block, and matching on the outside of contiguous block is set with overcoat, contiguous block with
Being provided between overcoat prevents both from the restraining structure that mutually rotates;On the coat at least provided with two radial direction through hole and one
Individual scallop hole, the extended line of two radial direction through hole are docked with the both sides hole wall of corresponding scallop hole respectively;The simultaneously center in the overcoat
Position is set with central rotation block, and central rotation block is provided with radial center hole;The handle Matching installation is in the radial direction of overcoat
In through hole and scallop hole, while handle Matching installation is in the radial center hole, handle can slide axially.
Annular resigning groove is formed between the periphery and outer casing inner wall of central rotation block, and the aperture in the radial center hole is little
In the radial direction through hole space of overcoat, and less than the scallop hole aperture of overcoat;The two ends of spanner are provided with slip-off preventing gear platform;Slip-off preventing
Radial direction through hole aperture of the external diameter of gear platform less than overcoat, and scallop hole aperture is less than, but more than the aperture in the radial center hole.
The guiding entrance with lead angle is respectively arranged with the interior external port of the interior external port and scallop hole of the radial direction through hole.
The restraining structure is the restraining structure of stupefied post and stupefied column jecket Matching installation, or between six rib plugs and overcoat
By radial constraint bolt or pin fixed constraint.
Magnet is housed in the overcoat inner sleeve.
The invention has the beneficial effects as follows:1st, the present invention radially inserts handle in rotating mass, can compress interior six rib
The axial height of spanner, so which is applied in narrow space, and improves its stability in use.2nd, handle of the invention is not
With being drawn out or reinserting, when each rotating handles arrival obstacle location can not be rotated, only handle need to be pushed home into footpath
Into through hole, using the handle other end as swing arm rotation process again, operation is very convenient, hence it is evident that improve work efficiency.3rd, this
The relation that two radial direction through hole of bright setting and a scallop hole coordinate, is prevented from asking for the symmetrical obstacle in narrow space both sides
Topic, by suitably rotating rational angle, gets around barrier, as long as the central angle of scallop hole is reasonable in design, almost can be used for
The hexagon socket head cap screw of any narrow space is installed.4th, the central rotation block arranged in overcoat can coordinate handle rotation and not make handle
Handss come off.
Description of the drawings
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the A-A cross-sectional views of Fig. 1;
Fig. 3-Fig. 8 distinguishes structural representation in Fig. 1.
Label in figure:1 is handle, and 2 is contiguous block, and 3 is overcoat, and 4 is magnet, spill spin block centered on 5, and 6 are annular resigning
Groove, 7 is that slip-off preventing keeps off platform, and 8 is radial direction through hole, and 9 is scallop hole, and 10 for being oriented to entrance, and 11 is radial center hole.
Specific embodiment:
The invention will be further described below in conjunction with the accompanying drawings.
A kind of inner hexagon spanner that can be used for narrow space, referring to Fig. 1, six rib plug tops are provided with contiguous block 2, connection
On the outside of block 2, matching is set with overcoat 3, and being provided between contiguous block 2 and overcoat 3 prevents both from mutual rotational restraint structure;About
Binding structure is the restraining structure of stupefied post and stupefied column jecket Matching installation, or passes through radial constraint between six rib plugs and overcoat 3
Bolt or pin fixed constraint.
Magnet 4 is housed in 3 inner sleeve of the overcoat, for adsorbing contiguous block 2.Various six ribs as shown in Fig. 3-Fig. 8 are inserted
Head dummy number, although model is different, but contiguous block 2 all is the same size, thus all with 3 Matching installation of overcoat.Meeting when overcoat 3 rotates
Contiguous block 2 and six rib plugs are driven to rotate together.
Such as Fig. 2, at least provided with two radial direction through hole 8 and a scallop hole 9 on overcoat 3, two radial direction through hole 8 and
Individual scallop hole 9 is one group.The both sides hole wall docking respectively with corresponding scallop hole 9 of the extended line of two radial direction through hole 8.Two radial directions
The relation that through hole 8 and a scallop hole 9 coordinate, is prevented from the problem of the symmetrical obstacle in narrow space both sides, by appropriate rotation
Rational angle, gets around barrier, as long as the central angle of scallop hole 9 is reasonable in design, almost can be used for any narrow space
Hexagon socket head cap screw is installed.
Meanwhile, center is set with central rotation block 5 in the overcoat 3, 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 to rotate and do not make handle 1 come off.
1 Matching installation of handle is in the radial direction through hole 8 and scallop hole 9 of overcoat 3, while 1 Matching installation of handle is in the footpath
Into centre bore 11, handle 1 can slide axially.Handle 1 is radially inserted in rotating mass, can compress the axle of interior hexagonal wrench
To height, so which is applied in narrow space, and its stability in use is improved.
Annular resigning groove 6 is formed between 3 inwall of the periphery of central rotation block 5 and overcoat, the radial center hole 11
Radial direction through hole 8 space of the aperture less than overcoat 3, and less than 9 aperture of scallop hole of overcoat 3;The two ends of spanner are provided with slip-off preventing
Gear platform 7;Radial direction through hole 8 aperture of the external diameter of slip-off preventing gear platform 7 less than overcoat 3, and 9 aperture of scallop hole is less than, but more than described
The aperture in radial center hole 11.Band is respectively arranged with the interior external port of the interior external port and scallop hole 9 of the radial direction through hole 8
The guiding entrance 10 of lead angle.Without being drawn out or reinserting, each rotating handles 1 reaches obstacle location and can not turn handle 1
When dynamic, only handle 1 need to be pushed home in radial direction through hole 8, using 1 other end of handle as swing arm rotation process again, operation is very
It is convenient, hence it is evident that to improve work efficiency.The operation instrument is simple and practical, is adapted to various space-constrained service work faces.Can be with
Free Torque-adjusting, increases the anglec of rotation, and motility is strong.Small volume, handss are directly operated, and are effectively reduced using conventional tool not
Just bring the hidden danger for touching equipment by mistake.
Claims (5)
1. a kind of inner hexagon spanner that can be used for narrow space, including six rib plugs and handle, six rib plug tops are provided with company
Block is connect, matching on the outside of contiguous block is set with overcoat, being provided between contiguous block and overcoat prevents both from the constraint that mutually rotates
Structure, is characterized in that:On the coat at least provided with two radial direction through hole and a scallop hole, the extended line of two radial direction through hole
Both sides hole wall docking with corresponding scallop hole respectively;Simultaneously center is set with central rotation block, central rotation in the overcoat
Block is provided with radial center hole;The handle Matching installation is in the radial direction through hole and scallop hole of overcoat, while handle matching peace
Loaded in the radial center hole, handle can slide axially.
2. the inner hexagon spanner that can be used for narrow space according to claim 1, is characterized in that:The periphery of central rotation block
Annular resigning groove is formed between outer casing inner wall, and the aperture in the radial center hole is less than the radial direction through hole space of overcoat, and
Less than the scallop hole aperture of overcoat;The two ends of spanner are provided with slip-off preventing gear platform;Footpath of the external diameter of slip-off preventing gear platform less than overcoat
To through-hole aperture, and scallop hole aperture is less than, but more than the aperture in the radial center hole.
3. the inner hexagon spanner that can be used for narrow space according to claim 2, is characterized in that:In the radial direction through hole
The interior external port of interior external port and scallop hole is respectively arranged with the guiding entrance with lead angle.
4. the inner hexagon spanner that can be used for narrow space according to claim 1, is characterized in that:The restraining structure is stupefied
The restraining structure of post and stupefied column jecket Matching installation, or pass through radial constraint bolt between six rib plugs and overcoat or pin is solid
Conclude a contract or treaty beam.
5. the inner hexagon spanner that can be used for narrow space according to claim 1, is characterized in that:In the overcoat inner sleeve
Equipped 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 CN105328605A (en) | 2016-02-17 |
CN105328605B true 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 |
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CN (1) | CN105328605B (en) |
Families Citing this family (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 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4360927B2 (en) * | 2004-02-05 | 2009-11-11 | 株式会社山下工業研究所 | Socket wrench handle |
TWM375581U (en) * | 2009-10-15 | 2010-03-11 | Hou-Fei Hu | Sleeve sliding-rod 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
Also Published As
Publication number | Publication date |
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CN105328605A (en) | 2016-02-17 |
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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 | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170322 Termination date: 20211208 |