CN103770056B - A kind of ratchet spanner - Google Patents

A kind of ratchet spanner Download PDF

Info

Publication number
CN103770056B
CN103770056B CN201310668600.0A CN201310668600A CN103770056B CN 103770056 B CN103770056 B CN 103770056B CN 201310668600 A CN201310668600 A CN 201310668600A CN 103770056 B CN103770056 B CN 103770056B
Authority
CN
China
Prior art keywords
pin
ratchet
spanner
wrench
overcoat
Prior art date
Application number
CN201310668600.0A
Other languages
Chinese (zh)
Other versions
CN103770056A (en
Inventor
李四清
Original Assignee
平高集团有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 平高集团有限公司 filed Critical 平高集团有限公司
Priority to CN201310668600.0A priority Critical patent/CN103770056B/en
Publication of CN103770056A publication Critical patent/CN103770056A/en
Application granted granted Critical
Publication of CN103770056B publication Critical patent/CN103770056B/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B13/00Spanners; Wrenches
    • B25B13/46Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle

Abstract

The present invention relates to a kind of ratchet spanner, including there is the wrench body extending handle and being assemblied in the spanner in wrench body head by ratchet and pawl arrangement rotation, being provided centrally with and the through hole of nut form fit of described spanner, the head of described wrench body is provided with the lateral open channel extending to inner peripheral surface from outer peripheral face, described spanner be provided with from outer peripheral face extend in it in hexagon through hole corresponding with described lateral open channel in lateral open channel.The head of described ratchet spanner is provided with lateral openings, has the benefit that open-end wrench can be laterally inserted into, and also having ratchet spanner can work continuously, the advantage that the assembly space of needs is less.

Description

A kind of ratchet spanner
Technical field
The present invention relates to the power tool of a kind of mechanical field, particularly relate to a kind of ratchet spanner.
Background technology
In hydraulic system, hydraulic test uses fluid pressure line to connect, and along with the miniaturization of product, the design of hydraulic system needs abundant Appropriate application space, and hydraulic system begins with module integrated shortening pipeline.Hydraulic system structure the compactest, the day by day shortening of pipeline, causes the reduction of assembly space, causes assembly difficulty to increase.In hydraulic system, need to tighten hexagonal coupling nut time on the pipe fitting connector being connected between pipe fitting with pipe fitting or be connected on equipment by pipe fitting, tightening nuts uses market existing adjustable wrench instrument, during assembling, spanner needs to rotate 60 °, along with the increase of nut specification, spanner rotates 60 ° of spaces needed and is gradually increased, and the Space Product not having spanner to rotate 60 ° just cannot assemble.The existing ratchet wrench tool in market, spanner rotation is limited the least by space, but ratchet spanner imperforation, on the pipe fitting connector that pipe fitting is connected on equipment, rear spanner cannot take off, it is impossible to uses.
Summary of the invention
It is an object of the invention to provide a kind of ratchet spanner, to solve the rotation space that in prior art, shfting wrench needs are bigger, the astomous problem of ratchet spanner.
For achieving the above object, the present invention adopts the following technical scheme that a kind of ratchet spanner, including there is the wrench body extending handle and being assemblied in the spanner in wrench body head by ratchet and pawl arrangement rotation, being provided centrally with and the through hole of nut form fit of described spanner, the head of described wrench body is provided with the lateral open channel extending to inner peripheral surface from outer peripheral face, described spanner be provided with from outer peripheral face extend in it in hexagon through hole corresponding with described lateral open channel in lateral open channel.
Described ratchet and pawl arrangement include the pawl structures being assemblied on wrench body head and be arranged on the ratchet of described spanner periphery, described pawl structures to include on radial elastic inserting ratchet in wrench body and ratchet connecting being provided for regulating ratchet towards reversing arrangement.
Described pawl structures is big outer the least in Radius, the end head that radius is bigger is provided with and is arranged on the ladder backing pin of the ratchet that the ratchet shape on the outer peripheral face of spanner matches, described ladder backing pin passes through spring radial elastic inserting in the overcoat being fixedly mounted in wrench body, described jacket internal is big outer little ladder hole in being provided with aperture, described spring housing is contained on ladder backing pin, it is inserted in overcoat together with ladder backing pin, it is stuck between the ladder of the ladder of ladder backing pin and the ladder endoporus of overcoat, for regulate ratchet towards reversing arrangement one draw pin, drawing pin is ladder pin, external diameter is inner small and outside big, the part that external diameter is less is provided with endoporus, the part that ladder backing pin radius is less is inserted in hole, both are in the outside of overcoat, hinged with backing pin alignment pin, pin is drawn to coordinate with overcoat under spring force.
Described drawing is provided with spline structure between pin and overcoat.
Described spline structure is by being provided with drawing pin inner and be provided with and being divided into the overcoat outer end of rectangular indentation that is two-part and that draw pin lower part to match by overcoat endoporus and form of two parallel planes with axis, under spring force, draw pin the inner be drawn into overcoat outer end with in the rectangular indentation drawing pin lower part to match.
Described pawl structures has two, is respectively arranged at the upper and lower both sides of wrench body upper ejector lever center line near the position extending handle.
The described fixed structure in the inner cylinder face of wrench body head that is fixed on by spanner axial limiting is the upper and lower cover plates composition being fixed on wrench body head by cover plate alignment pin, and described upper and lower cover plates is the sheet shape circulus of the corresponding rectangular aperture of lateral rectangular aperture being provided with the head with ratchet spanner.
Described ratchet ratchet is arranged on the outer peripheral face of spanner, and described ratchet is rectangular teeth.
The invention has the beneficial effects as follows: the head at ratchet spanner is provided with lateral openings have the benefit that open-end wrench can be laterally inserted into, also having ratchet spanner can work continuously, the advantage that the assembly space of needs is less.
Be provided with two ratchets on spanner, movable ratchet can radial expansion as required, manually adjust ratchet, unrestricted choice driving direction, or be used as back-up wrench, to meet people's requirement multifarious to instrument.
Spanner is fixed in the inner cylinder face of wrench body head by upper and lower cover plates axial limiting, and cover plate is fixed on wrench body head by cover plate alignment pin, it is easy to dismounting, therefore, can change spanner according to the nut size acted on.
Accompanying drawing explanation
Fig. 1 is the front view of the present invention;
Fig. 2 is the sectional view of Fig. 1;
Fig. 3 is the A-A sectional view of Fig. 2.
Detailed description of the invention
In Fig. 1,2,3, a kind of ratchet spanner includes spanner 2, has wrench body 7 and the ratchet and pawl arrangement extending handle, and the head of ratchet spanner is provided with lateral rectangular aperture.The inner cylinder face of external cylindrical surface and wrench body 7 head of band extension handle that spanner 2 is provided with rectangle ratchet coordinates, and be fixed in the inner cylinder face of wrench body 7 head by cover plate 1 axial limiting, spanner 2 can be freely rotatable in the inner cylinder face at wrench body 7 head.Cover plate 1 is sheet shape circulus, is fixed in wrench body 7 by cover plate alignment pin 9.Spanner 2 be provided centrally with regular hexagon endoporus, for coordinating with hex nut, the inner circle radius of sheet shape circulus cover plate 1 annulus is more than the circumradius of spanner 2 regular hexagon endoporus, during spanner work, cover plate 1 will not interfere with spanner 2 and rotates in the inner cylinder face of wrench body 7 head, the head of spanner 2 and wrench body 7 is provided with the groove installing cover plate 1 matched with cover plate 1 shape, and it is a plane that each parts assemble rear wrenching surface, specious.
Click machine structure has two ratchets, is respectively arranged at the position near extension handle, the wrench body 7 upper ejector lever center line upper and lower both sides, and pawl structures is by overcoat 8, ladder backing pin 3, spring 6 and draws pin 4 and backing pin steady pin 5 to form.Overcoat 8 be internally provided with in aperture big the least outer ladder hole, and be threaded connection and be arranged in wrench body 7 in the screwed hole passed through mutually vertical with the inner cylinder face of wrench body 7 head, in the radius of ladder backing pin 3 big outer the least, it is inserted in overcoat 8, spring 6 is sleeved on ladder backing pin 3, it is inserted into together with ladder backing pin 3 in overcoat 8, it is stuck between the ladder of the ladder of ladder backing pin 3 and the ladder endoporus of overcoat 8, one end that the radius of backing pin 3 is less is provided with backing pin dowel hole, the bigger end head of radius has processed the ratchet matched with the rectangle ratchet shape on the external cylindrical surface being arranged on cylindrical spanner 2, outside at overcoat 8, backing pin 3 by backing pin alignment pin 5 with to draw pin 4 hinged, pin 4 is drawn to coordinate with overcoat 8 under spring force.Draw pin 4 for ladder pin, external diameter is up big and down small, lower part is provided with two parallel planes with bearing pin, two interplanar distances are less than lower part external diameter, overcoat 8 outer end is provided with and is divided into two-part rectangular indentation by overcoat endoporus, under spring force, draw pin 8 lower part to be drawn into overcoat 8 outer end and the rectangular indentation drawing pin lower part to match, form spline structure.
In the present embodiment, to be that rectangle ratchet can also do saw-toothed for the ratchet on the external cylindrical surface of cylindrical spanner 2;The present embodiment is threaded between overcoat 8 and wrench body 7, it would however also be possible to employ other fixing connected modes.Drawing the spline structure between pin 4 and overcoat 8 can also make the spline structure of multiaspect prism and multiaspect endoporus composition, these broadly fall into the simple replacement of similar mode, do not repeat them here.
When using the present invention that operation is installed, can according to actual needs by change ratchet towards unrestricted choice driving direction or be used as back-up wrench, act manually on and draw pin 4, pin 4 is drawn to drive backing pin 3 to move upward, when draw pin 4 the inner leave overcoat 8 outer end with after the rectangular indentation drawing pin 4 lower part to match, pin 4 is drawn in rotation, draws pin 4 to drive backing pin 3 to rotate, can change backing pin 3 ratchet inclined-plane towards.When the ratchet inclined-plane of two backing pins 3 is towards time consistent, and spanner acts on nut, and one tightens to rotation, and another is to neutral return;When the inclined-plane of two backing pins 3 is towards time inconsistent, and spanner acts on nut, then one to making nut tighten, another is to making nut loosen, and now, ratchet spanner uses as back-up wrench.
In the present embodiment, ratchet spanner is provided with two ratchets, it is also possible to only one ratchet of design, and during one ratchet of design, the spanner spanner that can not fix uses.
When using the present invention to carry out fluid pressure line connection installation operation, ratchet spanner inserts pipeline by lateral openings, is then sleeved on pipeline on the hex nut of connection, and unrestricted choice driving direction carries out operation according to actual needs.Owing to the diameter of pipeline does not connect the spacing between hex nut two opposite side surfaces greatly, as long as so the lateral openings spacing of spanner is more than caliber, even if less than the spacing between hex nut two opposite side surfaces, spanner still can use.Spanner is when operation, the angular misalignment of accumulation can be produced between lateral openings on spanner and the lateral openings in wrench body, after completing to install, two lateral openings may not be in co-located, at this moment spanner can be backed off from hex nut, it is enclosed within the pipeline that diameter is less, manually takes off spanner.

Claims (4)

  1. null1. a ratchet spanner,Including there is the wrench body extending handle and being assemblied in the spanner in wrench body head by ratchet and pawl arrangement rotation,Being provided centrally with and the through hole of nut form fit of described spanner,It is characterized in that: the head of described wrench body is provided with the lateral open channel extending to inner peripheral surface from outer peripheral face,Described spanner is provided with and extends in it in hexagon through hole from outer peripheral face、Lateral open channel in corresponding with described lateral open channel,Described ratchet and pawl arrangement includes the pawl structures being assemblied on wrench body head and is arranged on the ratchet of described spanner periphery,Described pawl structures include on radial elastic inserting ratchet in wrench body and ratchet connect be provided for regulate ratchet towards reversing arrangement,Described pawl structures is big outer the least in Radius,The end head that radius is bigger is provided with and is arranged on the ladder backing pin of the ratchet that the ratchet shape on the outer peripheral face of spanner matches,Described ladder backing pin passes through spring radial elastic inserting in the overcoat being fixedly mounted in wrench body,Described jacket internal is big outer little ladder hole in being provided with aperture,Described spring housing is contained on ladder backing pin,It is inserted in overcoat together with ladder backing pin,It is stuck between the ladder of the ladder of ladder backing pin and the ladder endoporus of overcoat,For regulate ratchet towards reversing arrangement be to draw pin,Drawing pin is ladder pin,External diameter is up big and down small,The part that external diameter is less is provided with endoporus,The part that ladder backing pin radius is less is inserted in hole,Both are in the outside of overcoat,Hinged with backing pin alignment pin,Pin is drawn to coordinate with overcoat under spring force,Described drawing is provided with spline structure between pin and overcoat,Described spline structure is by being provided with drawing pin inner and be provided with and being divided into the overcoat outer end of rectangular indentation that is two-part and that draw pin lower part to match by overcoat endoporus and form of two parallel planes with axis,Under spring force,Draw pin the inner be drawn into overcoat outer end with in the rectangular indentation drawing pin lower part to match,Act manually on and draw pin,Pin is drawn to drive backing pin to move upward,When draw pin the inner leave overcoat outer end with after the rectangular indentation drawing pin lower part to match,Pin is drawn in rotation,Pin is drawn to drive backing pin to rotate,Can change backing pin ratchet inclined-plane towards.
  2. Ratchet spanner the most according to claim 1, it is characterised in that: described pawl structures has two, is respectively arranged at the upper and lower both sides of wrench body upper ejector lever center line near the position extending handle.
  3. Ratchet spanner the most according to claim 1, it is characterized in that: it is the upper and lower cover plates composition being fixed on wrench body head by cover plate alignment pin that spanner axial limiting is fixed on the fixed structure in the inner cylinder face of wrench body head, and described upper and lower cover plates is the sheet shape circulus of the corresponding rectangular aperture of lateral rectangular aperture being provided with the head with ratchet spanner.
  4. Ratchet spanner the most according to claim 1, it is characterised in that: described ratchet ratchet is arranged on the outer peripheral face of spanner, and described ratchet is rectangular teeth.
CN201310668600.0A 2013-12-07 2013-12-07 A kind of ratchet spanner CN103770056B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310668600.0A CN103770056B (en) 2013-12-07 2013-12-07 A kind of ratchet spanner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310668600.0A CN103770056B (en) 2013-12-07 2013-12-07 A kind of ratchet spanner

Publications (2)

Publication Number Publication Date
CN103770056A CN103770056A (en) 2014-05-07
CN103770056B true CN103770056B (en) 2016-09-07

Family

ID=50563062

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310668600.0A CN103770056B (en) 2013-12-07 2013-12-07 A kind of ratchet spanner

Country Status (1)

Country Link
CN (1) CN103770056B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104908840A (en) * 2015-05-26 2015-09-16 荣成康派斯新能源车辆有限公司 Guiding wheel of caravan
CN106451291A (en) * 2016-05-02 2017-02-22 钱才英 Improved electric power metal fitting for overhead line
CN108972434B (en) * 2018-07-05 2020-10-30 杭州巨星科技股份有限公司 Combined torque amplifying wrench
CN110131647A (en) * 2019-04-26 2019-08-16 扬州市仁创新能源科技有限公司 A kind of multifunctional LED road lamp

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2221396A1 (en) * 1972-05-02 1973-11-22 Paul & Co Metallgewebe TOOL HOLDER WITH RATCHET FOR ACCOMMODATION OF ADAPTED COMBINABLE TOOL SETS
US4095494A (en) * 1977-04-13 1978-06-20 Castoe John H Gear-operated ratchet wrench
DE3427591A1 (en) * 1984-07-26 1986-02-06 Dieter Holste Bolt spanner
CN2179233Y (en) * 1993-06-05 1994-10-12 宋鹏辉 Spanner
US5454283A (en) * 1991-09-25 1995-10-03 Stefano; Jerry Di. Ratchet line wrench tool
US6735905B1 (en) * 2001-03-14 2004-05-18 Chi Overhead Doors, Inc. Ratcheting winding cone
CN203611181U (en) * 2013-12-07 2014-05-28 平高集团有限公司 Ratchet wrench

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2221396A1 (en) * 1972-05-02 1973-11-22 Paul & Co Metallgewebe TOOL HOLDER WITH RATCHET FOR ACCOMMODATION OF ADAPTED COMBINABLE TOOL SETS
US4095494A (en) * 1977-04-13 1978-06-20 Castoe John H Gear-operated ratchet wrench
DE3427591A1 (en) * 1984-07-26 1986-02-06 Dieter Holste Bolt spanner
US5454283A (en) * 1991-09-25 1995-10-03 Stefano; Jerry Di. Ratchet line wrench tool
CN2179233Y (en) * 1993-06-05 1994-10-12 宋鹏辉 Spanner
US6735905B1 (en) * 2001-03-14 2004-05-18 Chi Overhead Doors, Inc. Ratcheting winding cone
CN203611181U (en) * 2013-12-07 2014-05-28 平高集团有限公司 Ratchet wrench

Also Published As

Publication number Publication date
CN103770056A (en) 2014-05-07

Similar Documents

Publication Publication Date Title
DE102008042437C5 (en) Fluid operated torque wrench and method of tightening and loosening fasteners
US10173309B2 (en) Interface device for tensioning a nut and a bolt assembly
CN202862066U (en) Anti-following-rotation socket wrench and bolt matched with the same
CN202629376U (en) Adapter pipe nut, pipe joint assembly and air conditioner
JP5315407B2 (en) screw
US8555750B2 (en) Auto-Adjustable bearing wrench
US6981524B2 (en) Twist off drive for a tube plug
US20110229255A1 (en) Tool joint
JP2016516604A (en) Device for tightening threaded fasteners
US9415490B2 (en) Mounting structure for a hand tool
TWM448349U (en) Combined torque wrench
CN103174811A (en) Pretightening force fine adjusting type ball screw nut
CN202853832U (en) Universal joint of pressure gage
TW201410410A (en) Method and apparatus for a torque wrench
CN201058420Y (en) Multifunctional combined hexagonal socket wrench
CN107378466A (en) A kind of electrokinetic moment formula synchronization bolt fastener
KR20040063758A (en) A nut, a fastener provided with a nut, and a fastening device therefor
US8601912B2 (en) Hex wrench
US20160016235A1 (en) Modular tool holder with diverse cutting tools assembly
CN204160400U (en) A kind of safety air vavle dismantling device
CN203442387U (en) Flange fast-connection device
CN102350675A (en) Combined internal hexagonal wrench head
CN208005547U (en) A kind of Chain wrench
CN202825754U (en) Multifunctional hardware tool
CN204700798U (en) A kind of Multifunctional sleeve wrench

Legal Events

Date Code Title Description
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