CN106181837A - A kind of split type ratchet spanner - Google Patents
A kind of split type ratchet spanner Download PDFInfo
- Publication number
- CN106181837A CN106181837A CN201610860298.2A CN201610860298A CN106181837A CN 106181837 A CN106181837 A CN 106181837A CN 201610860298 A CN201610860298 A CN 201610860298A CN 106181837 A CN106181837 A CN 106181837A
- Authority
- CN
- China
- Prior art keywords
- split type
- ratchet
- hole
- type ratchet
- spanner
- 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
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
- B25B13/46—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle
- B25B13/461—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle with concentric driving and driven member
- B25B13/462—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle with concentric driving and driven member the ratchet parts engaging in a direction radial to the tool operating axis
- B25B13/463—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle with concentric driving and driven member the ratchet parts engaging in a direction radial to the tool operating axis a pawl engaging an externally toothed wheel
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
A kind of split type ratchet spanner, belongs to mechanical field.The present invention solves existing ratchet wrench cannot realize the problem screwing mounting or dismounting of closed system threaded connector.Including split type ratchet and two groups of split type location-plates, described split type ratchet includes two half wheels connected by dovetail chute head and the tail, and split type ratchet center axially offers the first polygonal through hole along it, the other end of ratchet inserts in the teeth groove of split type ratchet, two groups of split type location-plates are symmetricly set on the two ends of split type ratchet, often organize split type location-plate and include two half plates being oppositely arranged, two half plate tops being oppositely arranged offer two circular grooves relatively, the circular groove that two are oppositely arranged forms second through hole, the wheel hub two ends of split type ratchet are installed in two the second through holes respectively, the bottom of each half plate is all affixed with fixed core by bearing pin.The present invention screws for threaded connector.
Description
Technical field
The present invention relates to a kind of spanner, be specifically related to a kind of split type ratchet spanner.
Background technology
Ratchet spanner is a kind of manual screw tightening tool, when the size of screw or nut is relatively big or the operating position of spanner
The narrowest, so that it may to use ratchet spanner.The angle that this spanner swings is the least, can tighten and unclamp screw or nut.It is by past
Switching nut started by physical pendulum, convenient and swift, laborsaving saves time, and can carry out loose unloading and tight dress, and the suitability is strong, can adjust easily
Whole use angle.The polygon inner hole sleeve of ratchet is contained in the screw element that geomery matches when using by existing ratchet spanner
On (such as screw), rotate and move handle, thus realize the screwing operations that unscrews of screw element, when handle is moved in reverse rotation, due to
The frictional force effect in screw element threaded engagement face so that ratchet has stagnation power thus overcomes spring force and ratchet and fixed block
Between relatively less friction, now, between gear teeth inclined-plane and the ratchet inclined-plane of ratchet produce slide, this work process moves in circles
Achieve screw element screws unscrewing operation.
Ratchet wrench currently mainly has conventional ratchet spanner and heavy ratchet wrench, but sleeve assembly is
The integrated support structure of non-fractionation, as a example by the coupling pipe elements mounting or dismounting of heating pipeline, the most all use general tool adjustable wrench or
The fork spanner that size matches, stress surface is the most stubborn the most de-and causes and is screwed part damage, and operator is injured;Big because screwing angle
Make working place scope big, often cause inefficiency and economic loss because of the limited problem of decoration packaging space.And
Existing market box socket set instrument but cannot be sleeved on pipe joint screw thread part, it is impossible to solves above-mentioned elongated closed system spiral shell
Stricture of vagina part screw mounting or dismounting.
Summary of the invention
The present invention is to screw dress in order to solve that existing ratchet wrench cannot realize closed system threaded connector
The problem torn open, and then provide a kind of split type ratchet spanner.
The present invention solves that above-mentioned technical problem be the technical scheme is that
A kind of split type ratchet spanner, including handle, fixed core, plug, spring, ratchet, one end of handle and fixed core
One end affixed, offer the first through hole inside described fixed core, the axis of described through hole be arranged in parallel with the axis of handle, stifled
Head and spring are installed in the first through hole of fixed core the most successively, one end of ratchet and the end thereof contacts of spring, ratchet
Other end be inclined-plane, it also includes split type ratchet and two groups of split type location-plates, and described split type ratchet includes two
Half connected by dovetail chute head and the tail is taken turns, and split type ratchet center axially offers the first polygonal through hole along it,
The other end of ratchet inserts in the teeth groove of split type ratchet, and two groups of split type location-plates are symmetricly set on the two of split type ratchet
End, often organizes split type location-plate and includes that two half plates being oppositely arranged, two half plate tops being oppositely arranged offer two relatively
Individual circular groove, the circular groove that two are oppositely arranged forms second through hole, and the wheel hub two ends of split type ratchet are divided
Not being installed in two the second through holes, the bottom of each half plate is all affixed with fixed core by bearing pin.
Split type ratchet is positioned at the top of ratchet by two groups of split type location-plates, and the wheel hub of split type ratchet is respectively
Coordinate with two the second via clearance.
A kind of split type ratchet spanner also includes that split type inner sleeve, described split type inner sleeve include that two head and the tail are in close contact
Half set, the exterior contour of split type inner sleeve coordinates with the first polygonal through hole of split type ratchet, and split type inner sleeve is passed through
Dovetail chute is fixed in the first polygonal through hole, and the center of split type inner sleeve axially offers the second polygon and leads to along it
Hole.
The bottom of each half plate is fixed with fixed core at least through two bearing pins.
The present invention compared with prior art has the effect that
Location-plate and ratchet are detachable, in actual application, it is possible to achieve to closed pipe-line system spiral shell
The assembly and disassembly operations of stricture of vagina part, compared with existing monoblock type ratchet spanner, range of application is wider, it is possible to increase the mounting or dismounting of plant equipment
Efficiency, meanwhile, easy being caused by working place limitation overcoming the appearance of the instrument such as common wrench and adjustable wrench of use cannot
The drawback used, and avoid the bad and eely drawback of its stressed effect, reduce spanner or be screwed the machine that part damages
Rate, improves the processing safety of operator.
Accompanying drawing explanation
Fig. 1 is the main cross-sectional schematic of the present invention;
Fig. 2 is that the A-A of the present invention is to cross-sectional schematic;
Fig. 3 is the schematic front view of split type ratchet;
Fig. 4 is that the B-B of Fig. 3 is to cross-sectional schematic;
Fig. 5 is the schematic front view of half plate;
Fig. 6 is that the right side of Fig. 5 regards schematic diagram;
Fig. 7 is the monoblock type location-plate schematic front view of existing monoblock type ratchet spanner;
Fig. 8 is that the right side of Fig. 7 regards schematic diagram;
Fig. 9 is the main cross-sectional schematic of split type ratchet of nested type.
Detailed description of the invention
Detailed description of the invention one: combine Fig. 1~Fig. 8 and present embodiment is described, the split type ratchet of one of present embodiment
Spanner, including handle 1, fixed core 2, plug 3, spring 4, ratchet 5, one end of handle 1 is affixed with one end of fixed core 2, described
Fixed core 2 is internal offers the first through hole 2-1, and the described axis of the first through hole 2-1 be arranged in parallel with the axis of handle 1, plug 3
And spring 4 is installed in the first through hole 2-1 of fixed core 2 the most successively, one end of ratchet 5 and the end thereof contacts of spring 4,
The other end of ratchet 5 is inclined-plane, and it also includes split type ratchet 6 and two groups of split type location-plates 7, described split type ratchet 6
Partly take turns 6-1 including two by what dovetail chute head and the tail connected, and split type ratchet 6 center axially offers first along it
Polygonal through hole 6-2, the other end of ratchet 5 inserts in the teeth groove of split type ratchet 6, and two groups of split type location-plates 7 are symmetrical arranged
At the two ends of split type ratchet 6, often organizing split type location-plate 7 and include two half plate 7-1 being oppositely arranged, two are oppositely arranged
Half plate 7-1 top offers two circular groove 7-2 relatively, and circular groove 7-2 that two are oppositely arranged forms one the
Two through hole 7-3, the wheel hub two ends of split type ratchet 6 are installed in two the second through hole 7-3 respectively, the bottom of each half plate 7-1
All affixed with fixed core 2 by bearing pin 8.
Ratchet and location-plate in split type ratchet 6 spanner of the present invention all use split-type structural, have existing sleeve
All functions of ratchet spanner, and can be directly used for screwing mounting or dismounting such as closed pipeline threaded connector, breach ratchet whole
Body structure fixed pattern.In the assembling and dissembling process of actual threaded connector, it is to avoid cause the time because instrument is inapplicable and economical damage
Lose, improve the safety of work efficiency and operator.The spanner of the present invention is be applicable to such as closed systems such as heating pipelines
The mounting or dismounting of threaded connector.When I&M pipeline or plant equipment, it is to avoid the common adjustable wrench of use, fork spanner
Or monoblock type ratchet spanner and required decoration packaging or the unnecessary dismounting component of machine situation of removing, thus reduce economy
Loss.
The wheel hub of split type ratchet 6 can be around the center axis thereof of split type ratchet 6 in the second through hole.
Split type ratchet 6 spanner of the present invention can be fabricated to the nested type ratchet in groups of different specification size as required
Wrench, it is possible to reduce parking space.
Detailed description of the invention two: combining Fig. 1~Fig. 5 and present embodiment is described, split type ratchet 6 is split type fixed by two groups
Position plate 7 is positioned at the top of ratchet 5, and the wheel hub of split type ratchet 6 respectively with two the second through hole 7-3 matched in clearance.So
Design, circular groove 7-2 primarily serves restriction ratchet radial position and realizes the effect that ratchet rotates around ratchet axis.Other
Form identical with detailed description of the invention one with annexation.
Detailed description of the invention three: combine Fig. 1, Fig. 3 and Fig. 9 and illustrate that present embodiment, a kind of split type ratchet spanner are also wrapped
Include split type inner sleeve 9, described split type inner sleeve 9 include two head and the tail be in close contact partly overlap 9-1, the outside of split type inner sleeve 9
Profile coordinates with the first polygonal through hole 6-2 of split type ratchet 6, and split type inner sleeve 9 is fixed in first by dovetail chute
In polygonal through hole 6-2, the center of split type inner sleeve 9 axially offers the second polygonal through hole along it.It is so designed that,
Can be according to the different size of threaded connector (such as nut) during use, the split type inner sleeve 9 of nested corresponding size, to realize using
Same ratchet spanner carries out mounting or dismounting to different size threaded connector, is effectively reduced suite of tools parking space, saves
Cost, improves work efficiency, and the profile of the second polygonal through hole of split type inner sleeve 9 can be fabricated to arbitrary shape as required
Shape, but the limit number of the limit number of the preferably second polygonal through hole and the first polygonal through hole is identical, to ensure uniform force, split
The split type inner sleeve of internal other size equally nested of formula inner sleeve 9, two and half set 9-1 can also is that by dovetail chute first
WEILIAN connects.Other composition is identical with detailed description of the invention one or two with annexation.
Detailed description of the invention four: combining Fig. 1~Fig. 4 and present embodiment is described, the bottom of each half plate 7-1 is at least through two
Individual bearing pin 8 is fixed with fixed core 2.It is so designed that, before mounting or dismounting threaded connector or after mounting or dismounting screw element, pulls down top
Some bearing pins 8, unscrew a bearing pin 8 of bottom, and half plate 7-1 overturns outside ratchet, then separate or merge split type spine
Wheel 6, need not unload lower half plate 7-1, it is ensured that work efficiency during whole,.Other composition with annexation be embodied as
Mode three is identical.
Operation principle: before closed pipeline threaded connector is screwed, pull down or outwards overturn two groups split type
In location-plate 7 two are positioned at the half plate 7-1 of the same side, then unload the next one and partly take turns 6-1, and another on spanner is partly taken turns 6-
1 is arranged on the screw element matched with the first polygonal through hole 6-2 geomery, one and half wheels unloaded before installing successively
6-1 and two and half plate 7-1, handle 1 is pulled in the reverse rotation to ratchet profile of tooth direction, it is achieved the screwing or revolve of threaded connector
Pine, reversely rotates and pulls handle 1, and hook tooth inclined-plane produces with ratchet 5 inclined-plane and slides, and spanner is kept in the center, repeat the above steps
Realize screwing or unscrewing operation of threaded connector.When handle 1 is moved in reverse rotation, due to the friction in screw element threaded engagement face
Power is more than the elastic force sum of the frictional force between ratchet gear teeth inclined-plane and ratchet inclined-plane with spring 4 so that the normal work of click
Make.
Claims (4)
1. a split type ratchet spanner, including handle (1), fixed core (2), plug (3), spring (4), ratchet (5), handle
(1) one end is affixed with the one end of fixed core (2), internal the first through hole (2-1) that offers of described fixed core (2), and described first
The axis of through hole (2-1) be arranged in parallel with the axis of handle (1), and plug (3) and spring (4) are installed on fixing the most successively
In first through hole (2-1) of core (2), one end of ratchet (5) and the end thereof contacts of spring (4), the other end of ratchet (5) is oblique
Face, it is characterised in that: it also includes split type ratchet (6) and two groups of split type location-plates (7), and described split type ratchet (6) is wrapped
Include two half wheels (6-1) connected by dovetail chute head and the tail, and split type ratchet (6) center axially offers the along it
One polygonal through hole (6-2), the other end of ratchet (5) inserts in the teeth groove of split type ratchet (6), two groups of split type location-plates
(7) it is symmetricly set on the two ends of split type ratchet (6), often organizes split type location-plate (7) and include two half plate (7-being oppositely arranged
1), half plate (7-1) top that two are oppositely arranged offers two circular grooves (7-2), two circles being oppositely arranged relatively
Arc groove (7-2) forms second through hole (7-3), and the wheel hub two ends of split type ratchet (6) are installed on two second respectively
In through hole (7-3), the bottom of each half plate (7-1) is all affixed with fixed core (2) by bearing pin (8).
The split type ratchet spanner of one the most according to claim 1, it is characterised in that: split type ratchet (6) passes through two groups
Split Positioning plate (7) is positioned at the top of ratchet (5), and the wheel hub of split type ratchet (6) respectively with two the second through hole (7-
3) matched in clearance.
The split type ratchet spanner of one the most according to claim 1 and 2, it is characterised in that: a kind of split type ratchet spanner
Also include that split type inner sleeve (9), described split type inner sleeve (9) include half set (9-1) that two head and the tail are in close contact, split type interior
The exterior contour of set (9) coordinates with first polygonal through hole (6-2) of split type ratchet (6), and split type inner sleeve (9) passes through swallow
Tail chute is fixed in the first polygonal through hole (6-2), and the center of split type inner sleeve (9) axially offers more than second along it
Limit shape through hole.
The split type ratchet spanner of one the most according to claim 3, it is characterised in that: the bottom of each half plate (7-1) is extremely
Few fixing with fixed core (2) by two bearing pins (8).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610860298.2A CN106181837B (en) | 2016-09-28 | 2016-09-28 | A kind of split type ratchet spanner |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610860298.2A CN106181837B (en) | 2016-09-28 | 2016-09-28 | A kind of split type ratchet spanner |
Publications (2)
Publication Number | Publication Date |
---|---|
CN106181837A true CN106181837A (en) | 2016-12-07 |
CN106181837B CN106181837B (en) | 2018-04-20 |
Family
ID=57520789
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610860298.2A Active CN106181837B (en) | 2016-09-28 | 2016-09-28 | A kind of split type ratchet spanner |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106181837B (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106891289A (en) * | 2017-05-02 | 2017-06-27 | 丛秀梅 | A kind of quick ultra-thin spanner |
CN108406289A (en) * | 2017-02-10 | 2018-08-17 | 中国航发商用航空发动机有限责任公司 | A kind of torque loading device |
CN109968255A (en) * | 2019-04-04 | 2019-07-05 | 宁波工程学院 | A kind of narrow space double nut determines torque and synchronizes pre- spanner |
CN113635246A (en) * | 2021-08-26 | 2021-11-12 | 上海市基础工程集团有限公司 | Wrench device for steel bar mechanical connection sleeve |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2233304Y (en) * | 1995-05-09 | 1996-08-21 | 王海宾 | Convenient wrench |
CN201304621Y (en) * | 2008-11-17 | 2009-09-09 | 上海昆杰五金工具有限公司 | Ratchet spanner used for pipeline connector |
CN201353741Y (en) * | 2009-02-26 | 2009-12-02 | 上海昆杰五金工具有限公司 | Quick clamp ratchet wheel spanner for fixing handle |
US7895920B2 (en) * | 2007-12-17 | 2011-03-01 | Abunameh Hani A | Open end ratchet wrench |
DE202011100987U1 (en) * | 2011-05-21 | 2011-08-26 | Schünke GmbH | Ratchet wrench |
CN203600133U (en) * | 2013-10-19 | 2014-05-21 | 余姚市三纹龟工具厂 | Rachet wrench |
CN206048016U (en) * | 2016-09-28 | 2017-03-29 | 黑龙江技师学院 | A kind of split type ratchet spanner |
-
2016
- 2016-09-28 CN CN201610860298.2A patent/CN106181837B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2233304Y (en) * | 1995-05-09 | 1996-08-21 | 王海宾 | Convenient wrench |
US7895920B2 (en) * | 2007-12-17 | 2011-03-01 | Abunameh Hani A | Open end ratchet wrench |
CN201304621Y (en) * | 2008-11-17 | 2009-09-09 | 上海昆杰五金工具有限公司 | Ratchet spanner used for pipeline connector |
CN201353741Y (en) * | 2009-02-26 | 2009-12-02 | 上海昆杰五金工具有限公司 | Quick clamp ratchet wheel spanner for fixing handle |
DE202011100987U1 (en) * | 2011-05-21 | 2011-08-26 | Schünke GmbH | Ratchet wrench |
CN203600133U (en) * | 2013-10-19 | 2014-05-21 | 余姚市三纹龟工具厂 | Rachet wrench |
CN206048016U (en) * | 2016-09-28 | 2017-03-29 | 黑龙江技师学院 | A kind of split type ratchet spanner |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108406289A (en) * | 2017-02-10 | 2018-08-17 | 中国航发商用航空发动机有限责任公司 | A kind of torque loading device |
CN108406289B (en) * | 2017-02-10 | 2020-06-19 | 中国航发商用航空发动机有限责任公司 | Moment loading device |
CN106891289A (en) * | 2017-05-02 | 2017-06-27 | 丛秀梅 | A kind of quick ultra-thin spanner |
CN109968255A (en) * | 2019-04-04 | 2019-07-05 | 宁波工程学院 | A kind of narrow space double nut determines torque and synchronizes pre- spanner |
CN113635246A (en) * | 2021-08-26 | 2021-11-12 | 上海市基础工程集团有限公司 | Wrench device for steel bar mechanical connection sleeve |
Also Published As
Publication number | Publication date |
---|---|
CN106181837B (en) | 2018-04-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN106181837A (en) | A kind of split type ratchet spanner | |
CN203765538U (en) | Two-way bolt spanner | |
CN202883661U (en) | Anti-rotating and anti-loosing fastening connecting structure | |
CN206048016U (en) | A kind of split type ratchet spanner | |
CN204700798U (en) | A kind of Multifunctional sleeve wrench | |
CN207122483U (en) | Locking device | |
TWM472592U (en) | Sleeve used for various sizes | |
CN105150149A (en) | Adjustable type internal and external hexagonal wrench | |
CN203752091U (en) | Internal and external clamping spring disassembling assistor | |
CN102328305B (en) | Power tool | |
CN105150148A (en) | Multi-functional wrench | |
CN106392961B (en) | The monkey wrench adjusted easy to bore | |
CN105014592A (en) | Self-centering sleeve head | |
CN203680169U (en) | Movable cushion block spanner | |
CN201752874U (en) | Wrench | |
CN203600128U (en) | Socket spanner | |
CN105328608A (en) | Movable wrench | |
CN206484493U (en) | A kind of screw thread turns round disk | |
CN207983256U (en) | A kind of easy stud installation tool | |
CN208961885U (en) | socket wrench for twisting | |
CN203197802U (en) | Spanner | |
CN104875155B (en) | Returnable fully-compliant spanner used for narrow operation space and achieving method | |
CN202344450U (en) | Two-port ratchet tip-tail spanner suitable for W-shaped nut | |
CN204413950U (en) | Round pipe wrench | |
CN204321804U (en) | Device for improving polishing range of angle grinder |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |