CN109465771A - A kind of ratchet spanner - Google Patents
A kind of ratchet spanner Download PDFInfo
- Publication number
- CN109465771A CN109465771A CN201811577744.4A CN201811577744A CN109465771A CN 109465771 A CN109465771 A CN 109465771A CN 201811577744 A CN201811577744 A CN 201811577744A CN 109465771 A CN109465771 A CN 109465771A
- Authority
- CN
- China
- Prior art keywords
- square hole
- square
- spine
- ratchet wheel
- arc groove
- 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.)
- Pending
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
-
- 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
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
-
- 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
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/0007—Connections or joints between tool parts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The invention discloses a kind of ratchet spanneres, including handle, square joint, it further include square hole set, the square hole set outer wall is regular polygon, square hole is opened up in square hole set, square joint is installed in square hole, the handle head opens up perforation mounting hole, perforation mounting hole to guarantee square hole set completely into, the perforation inner wall of the hole installing opens up the arc groove of two same shapes, respectively the first arc groove, second arc groove, the first spine of installation twists matching mechanism in first arc groove, the second spine of installation twists matching mechanism in second arc groove, it is identical that above-mentioned two spine twists matching mechanism structure, above-mentioned two spine twists matching mechanism and will not engage simultaneously with square hole set outside regular polygon surface.The present invention realizes that four square head wrenches carry out the stubborn function of spine within a certain angle.It designs simple, structurally reasonable, easy manufacture, improve working efficiency.
Description
Technical field
The present invention relates to the technical field of manual hardware tool, specifically a kind of ratchet spanner.
Background technique
Existing ratchet spanner is that outer ring and inner ring are incorporated in one with engaging for the tooth on gear ring by the tooth on pawl
The transmitting for realizing power is acted, gear ring can be designed and also be designed on inner ring on outer ring.On heel pawl on this structure gear ring
Tooth require machining accuracy all very high, engagement very well just can be with, and the intensity of tooth is lower, is easy stress destruction.
Summary of the invention
The purpose of the present invention is to provide a kind of ratchet spanneres, realize four square head wrenches by designing the completely new mechanism of one kind
The stubborn function of spine is carried out within a certain angle.It designs simple, structurally reasonable, easy manufacture, improve working efficiency.
In order to achieve the above objectives, present invention employs following technical solution, a kind of ratchet spanner, including handles, four directions
Connector further includes square hole set, and square hole set outer wall is regular polygon, opens up square hole in square hole set, in square hole
Square joint is installed, the handle head opens up perforation mounting hole, and perforation mounting hole will guarantee square hole set completely into described
Perforation inner wall of the hole installing opens up the arc groove of two same shapes, respectively the first arc groove, the second arc groove, first circle
The first spine of installation twists matching mechanism in arc slot, and the second spine of installation twists matching mechanism in the second arc groove, and above-mentioned two spine twists cooperation machine
Structure structure is identical, and above-mentioned two spine twists matching mechanism and will not engage simultaneously with square hole set outside regular polygon surface.
Described two arc grooves are arranged with 105 degree of indexing in the perforation mounting hole.
It includes pressure spring fixinig plate, ratchet wheel block pressure spring, ratchet wheel block, the ratchet wheel block lateral surface that first spine, which twists matching mechanism,
To be arc-shaped, medial surface is plane, and arc-shaped surface corresponds to the first circular arc groove bottom, and plane corresponds to square hole and covers outer regular polygon
Face, ratchet wheel block rear end are connected and fixed with ratchet wheel block pressure spring, and ratchet wheel block pressure spring rear end is connected and fixed with pressure spring fixinig plate, and pressure spring is fixed
Piece is welded in the first arc groove.
The four corners of square hole inside the square hole set open up passing-through groove, get out of the way sky for four corner angle of square joint
Between.
The square joint side wall opens up blind hole at least two, installs steel ball in blind hole, pacifies between steel ball and blind-hole bottom
The square hole inner wall of steel loading ball pressure spring, the square hole set offers rounded channels corresponding with steel ball.
Pressing land is arranged in the square hole set outer wall, covers pressing land and perforation installation nose end simultaneously with annular cover plate
Portion edge is fastened in outside square hole set end with circlip, and circlip blocks simultaneously pushes down cover board.
Compared with the prior art, the invention has the following beneficial effects:
Rotating handle, wherein arc groove side and ratchet wheel block on handle, which coincide, drives the outside of ratchet wheel block and square hole set
The engagement of dodecagon face drives square hole set rotation, and the side of the arc groove on handle does not apply another ratchet wheel block at this time
Reinforcing, under the action of ratchet wheel block pressure spring, ratchet wheel block adjusting microinching.The second arc groove side after handle retreats swing, on handle
Face coincide with ratchet wheel block drives ratchet wheel block to engage with the outside dodecagon face that square hole covers, and drives square hole set rotation, this
When handle on the first arc groove side not to ratchet wheel block applied force, under the action of ratchet wheel block pressure spring, ratchet wheel block adjusting microinching.It follows
Ring is reciprocal, just square joint is made to realize ratcher function.If it is required that square joint opposite direction exerts a force, it is only necessary to by square joint
The steel ball of the other end is pushed in the groove of the internal square hole of square hole set, and then ratchet spanner is used in turn.Institute of the present invention
The square hole set stated is not limited solely to dodecagon, can also change the face number of regular polygon as needed.
Engaging for outside dodecagon is covered with square hole by ratchet wheel block, square joint can only be rotated to a direction,
Two ratchet wheel blocks will not cover outside dodecagon with square hole simultaneously and engage, and 15 degree every turn will change a ratchet wheel block and four directions
Hole set outside engagement, realizes the function of 24 teeth, if square joint needs rotate in the opposite direction, it is only necessary to which square joint is another
The steel ball of one end is pushed in the groove of the internal square hole of square hole set, and then ratchet spanner is used in turn.Present invention design
Rationally, structure is simple, easy to manufacture, and intensity is high, using, it is easy to operate, it is time saving and energy saving, it is convenient to be used in narrow space.
Detailed description of the invention
Fig. 1 is a kind of ratchet wrench structure main view sectional view of the invention；
Fig. 2 is a kind of ratchet wrench structure lateral sectional view of the invention；
Fig. 3 is the structural schematic diagram that square joint is mounted in square hole set；
Fig. 4 is handle head mounting hole fluting schematic diagram；
Fig. 5 is ratchet wheel block structural schematic diagram.
Marked in the figure: 1. handles, 2. square hole sets, 3. pressure spring fixinig plates, 4. ratchet wheel block pressure springs, 5. ratchet wheel blocks, 6. cover boards,
7. steel ball, 8. steel ball pressure springs, 9. square joints, 10. circlips, 11. first arc grooves, 12. second arc grooves, 13. passing-through grooves,
14, rounded channels；
31. pressure spring fixinig plate, 41. ratchet wheel block pressure springs, 51. ratchet wheel blocks.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1 to Fig. 5 is please referred to, the present invention provides a kind of technical solution: a kind of ratchet spanner, including handle 1, square joint
9, it further include square hole set 2, the square hole set outer wall is regular polygon, opens up square hole in square hole set, pacifies in square hole
Square joint 9 is filled, the handle head opens up perforation mounting hole, and perforation mounting hole will guarantee square hole set completely into described
Perforation inner wall of the hole installing opens up the arc grooves of two same shapes, respectively the first arc groove 11, the second arc groove 12, and described the
The first spine of installation twists matching mechanism in one arc groove, and the second spine of installation twists matching mechanism in the second arc groove, and above-mentioned two spine, which twists, matches
It is identical to close mechanism structure, above-mentioned two spine twists matching mechanism and will not engage simultaneously with square hole set outside regular polygon surface.
Described two arc grooves are arranged with 105 degree of indexing in the perforation mounting hole.
It includes pressure spring fixinig plate 3, ratchet wheel block pressure spring 4, ratchet wheel block 5 that first spine, which twists matching mechanism, outside the ratchet wheel block
Side be it is arc-shaped, medial surface is plane, and the corresponding first circular arc groove bottom of arc-shaped surface, it is just polygon outside that plane correspond to square hole set
Shape face, ratchet wheel block rear end are connected and fixed with ratchet wheel block pressure spring, and ratchet wheel block pressure spring rear end is connected and fixed with pressure spring fixinig plate, and pressure spring is solid
Stator is welded in the first arc groove.First spine twists matching mechanism and the stubborn matching mechanism of the second spine is identical, sees that pressure spring is fixed in figure
Piece 31, ratchet wheel block pressure spring 41, ratchet wheel block 51.
The four corners of square hole inside the square hole set open up passing-through groove 13, get out of the way for four corner angle of square joint
Space.
The square joint side wall opens up blind hole at least two, installs steel ball 7 in blind hole, pacifies between steel ball and blind-hole bottom
The square hole inner wall of steel loading ball pressure spring 8, the square hole set offers rounded channels 14 corresponding with steel ball, due to steel ball pressure spring
One end is connected and fixed with steel ball, and the other end is connected and fixed with blind via bottom, so steel ball is not fallen out.
Pressing land is arranged in the square hole set outer wall, covers pressing land simultaneously with the cover board 6 of annular and perforation is installed
Bore ends edge is fastened in outside square hole set end with circlip 10, and circlip blocks simultaneously pushes down cover board.
1 head of handle is equipped with perforation mounting hole, penetrates through on mounting hole and two arc grooves are arranged with 105 degree of indexing, by two
Pressure spring fixinig plate 3,31 is respectively welded on the inside of two arc grooves, by two ratchet wheel block pressure springs 4,41 and two ratchet wheel blocks 5,51 according to
It is secondary to be respectively placed in two arc grooves；2 outside of square hole set is equipped with dodecagon, and inside is equipped with square hole,
Square hole is equipped with groove, and one of ratchet wheel block 5 is engaged with the dodecagon in 2 outside of square hole set；About 6 cover board
It is fixed together by two panels with circlip 10 with handle 1, square hole set 2；9 both ends of square joint have riveted steel ball 7 and steel
Ball pressure spring 8, wherein one end steel ball 7 is connected in the groove of the internal square hole of square hole set.Pass through ratchet wheel block 5 and square hole set 2
The engagement of outside dodecagon, square joint 2 can only be rotated to a direction, two ratchet wheel blocks 5,51 will not simultaneously with four directions
Hole covers the engagement of 2 outside dodecagons, and 15 degree every turn will change a ratchet wheel block and engage with 2 outside of square hole set, realizes 24
The function of tooth.
When work, rotating handle handle 1, handle 1 penetrates through 11 side of wherein the first arc groove and ratchet wheel block 5 on mounting hole
It coincide, ratchet wheel block 5 and the outside dodecagon face of square hole set 2 is driven to engage, drive 2 rotation of square hole set, at this time handle 1
On the second arc groove 12 side not to another 51 applied force of ratchet wheel block, under the action of ratchet wheel block pressure spring 41, ratchet wheel block
51 adjusting microinchings.After handle 1 retreats 15 degree of rotation, 12 side of arc groove and ratchet wheel block 51 on handle 1 coincide and drive ratchet wheel block 51
It is engaged with the outside dodecagon face of square hole set 2, drives 2 rotation of square hole set, at this time the first arc groove 11 on handle 1
Side not to 5 applied force of ratchet wheel block, under the action of ratchet wheel block pressure spring 4,5 adjusting microinching of ratchet wheel block.It moves in circles, just connects four directions
First 9 realize ratcher function.If it is required that 9 opposite direction of square joint exerts a force, it is only necessary to push away the steel ball of 9 other end of square joint
Into the groove of the internal square hole of square hole set 2, then ratchet spanner is used in turn.
Square hole set 2 of the present invention is not limited solely to dodecagon, can also change regular polygon as needed
Face number.
In the description of the present invention, it is to be understood that, temporald eixis or positional relationship are orientation based on the figure
Or positional relationship, it is merely for convenience of the description present invention, rather than the device or element of indication or suggestion meaning there must be spy
Fixed orientation is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of ratchet spanner, including handle, square joint, which is characterized in that further include square hole set, the square hole set is outer
Wall is regular polygon, opens up square hole in square hole set, and square joint is installed in square hole, and the handle head opens up perforation peace
Hole is filled, perforation mounting hole will guarantee square hole set completely into the perforation inner wall of the hole installing opens up the circle of two same shapes
Arc slot, respectively the first arc groove, the second arc groove, first arc groove the first spine of interior installation twist matching mechanism, the second circle
The second spine of installation twists matching mechanism in arc slot, and the stubborn matching mechanism structure of above-mentioned two spine is identical, and above-mentioned two spine twists matching mechanism will not
Outside regular polygon surface is covered with square hole simultaneously to engage.
2. a kind of ratchet spanner according to claim 1, which is characterized in that the perforation mounting hole is set with 105 degree of indexing
Set described two arc grooves.
3. a kind of ratchet spanner according to claim 1 or 2, which is characterized in that first spine twists matching mechanism and includes
Pressure spring fixinig plate, ratchet wheel block pressure spring, ratchet wheel block, the ratchet wheel block lateral surface be it is arc-shaped, medial surface is plane, arc-shaped surface pair
The first circular arc groove bottom is answered, plane corresponds to square hole and covers outer regular polygon surface, and ratchet wheel block rear end is connected and fixed with ratchet wheel block pressure spring,
Ratchet wheel block pressure spring rear end is connected and fixed with pressure spring fixinig plate, and pressure spring fixinig plate is welded in the first arc groove.
4. a kind of ratchet spanner according to claim 1 or 2, which is characterized in that the square hole inside the square hole set
Four corners open up passing-through groove, get out of the way space for four corner angle of square joint.
5. a kind of ratchet spanner according to claim 1 or 2, which is characterized in that the square joint side wall opens up at least
Blind hole at two, blind hole is interior to install steel ball, installation steel ball pressure spring between steel ball and blind-hole bottom, in the square hole of the square hole set
Wall offers rounded channels corresponding with steel ball.
6. a kind of ratchet spanner according to claim 1 or 2, which is characterized in that pressing is arranged in the square hole set outer wall
Land covers pressing land and perforation mounting hole end edge edge with annular cover plate simultaneously, is fastened in square hole set end with circlip
Outside, circlip blocks simultaneously pushes down cover board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811577744.4A CN109465771A (en) | 2018-12-21 | 2018-12-21 | A kind of ratchet spanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811577744.4A CN109465771A (en) | 2018-12-21 | 2018-12-21 | A kind of ratchet spanner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109465771A true CN109465771A (en) | 2019-03-15 |
Family
ID=65676469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811577744.4A Pending CN109465771A (en) | 2018-12-21 | 2018-12-21 | A kind of ratchet spanner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109465771A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3406063A1 (en) * | 1984-02-20 | 1985-08-22 | Eiji Sanjo Niigata Nakayama | Spanner |
| CN2717623Y (en) * | 2004-02-23 | 2005-08-17 | 谢智庆 | One-way spanner gripping structure |
| CN1910014A (en) * | 2002-08-21 | 2007-02-07 | 赞克特－设计工程有限公司 | Torque transmission mechanism |
| CN204295574U (en) * | 2014-12-11 | 2015-04-29 | 威海市威力高档工具有限公司 | A kind of ratchet spanner |
| CN206066304U (en) * | 2016-10-14 | 2017-04-05 | 闵航 | Novel ratchet spanner |
| CN106944958A (en) * | 2016-01-07 | 2017-07-14 | 游荣基 | Toothless ratchet wrench |
| US20180079055A1 (en) * | 2015-05-05 | 2018-03-22 | Hangzhou Great Star Tools Co., Ltd. | Wrench |
| CN209256788U (en) * | 2018-12-21 | 2019-08-16 | 威海市威力高档工具有限公司 | Ratchet spanner |
-
2018
- 2018-12-21 CN CN201811577744.4A patent/CN109465771A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3406063A1 (en) * | 1984-02-20 | 1985-08-22 | Eiji Sanjo Niigata Nakayama | Spanner |
| FR2559701A1 (en) * | 1984-02-20 | 1985-08-23 | Nakayama Eiji | Ring spanner with ratchet |
| CN1910014A (en) * | 2002-08-21 | 2007-02-07 | 赞克特－设计工程有限公司 | Torque transmission mechanism |
| CN2717623Y (en) * | 2004-02-23 | 2005-08-17 | 谢智庆 | One-way spanner gripping structure |
| CN204295574U (en) * | 2014-12-11 | 2015-04-29 | 威海市威力高档工具有限公司 | A kind of ratchet spanner |
| US20180079055A1 (en) * | 2015-05-05 | 2018-03-22 | Hangzhou Great Star Tools Co., Ltd. | Wrench |
| CN106944958A (en) * | 2016-01-07 | 2017-07-14 | 游荣基 | Toothless ratchet wrench |
| CN206066304U (en) * | 2016-10-14 | 2017-04-05 | 闵航 | Novel ratchet spanner |
| CN209256788U (en) * | 2018-12-21 | 2019-08-16 | 威海市威力高档工具有限公司 | Ratchet spanner |
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| PB01 | Publication | ||
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