CN209256788U - Ratchet spanner - Google Patents
Ratchet spanner Download PDFInfo
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- CN209256788U CN209256788U CN201822164410.6U CN201822164410U CN209256788U CN 209256788 U CN209256788 U CN 209256788U CN 201822164410 U CN201822164410 U CN 201822164410U CN 209256788 U CN209256788 U CN 209256788U
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- square hole
- square
- spine
- arc groove
- hole set
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Abstract
The utility model provides a kind of ratchet spanner, 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 utility model 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 utility model relates to the technical field of manual hardware tool, especially 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.
Utility model content
The purpose of the utility model is to provide a kind of ratchet spanneres, realize that four directions is pulled by designing the completely new mechanism of one kind
Hand carries out the stubborn function of spine within a certain angle.It designs simple, structurally reasonable, easy manufacture, improve working efficiency.
The purpose of this utility model can be realized by following technical solution:
The ratchet spanner includes handle, square joint, further includes square hole set, and the square hole set outer wall is positive polygon
Shape, square hole set in open up square hole, square joint is installed in square hole, the handle head opens up perforation mounting hole, perforation
Mounting hole will guarantee square hole set completely into the perforation inner wall of the hole installing opens up the arc groove of two same shapes, respectively
For the first arc groove, the second arc groove, first arc groove the first spine of interior installation twists matching mechanism, installation in the second arc groove
Second spine twists matching mechanism, and it is identical that above-mentioned two spine twists matching mechanism structure, above-mentioned two spine twist matching mechanism will not simultaneously with four directions
The regular polygon surface engagement of hole set outside.
The purpose of this utility model can also be realized by following technical solution:
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.
The utility model has the advantages that compared with prior art
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.This is practical new
Square hole set described in type 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.The utility model
Rationally, structure is simple, easy to manufacture for design, and intensity is high, using, it is easy to operate, it is time saving and energy saving, it is convenient to make in narrow space
With.
Detailed description of the invention
Fig. 1 is the structure main view sectional view of the utility model embodiment；
Fig. 2 is the structure lateral sectional view of the utility model embodiment；
Fig. 3 is that the square joint of the utility model embodiment is mounted on the structural schematic diagram in square hole set；
Fig. 4 is the handle head mounting hole fluting schematic diagram of the utility model embodiment；
Fig. 5 is the ratchet wheel block structural schematic diagram of the utility model embodiment.
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
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1 to Fig. 5 is please referred to, the utility model provides a kind of technical solution: a kind of ratchet spanner, including handle 1, four directions
Connector 9 further includes square hole set 2, and the square hole set outer wall is regular polygon, opens up square hole, square hole in square hole set
Middle installation square joint 9, the handle head open 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 11, the second arc groove 12, institute
It states the first spine of installation in the first arc groove and twists matching mechanism, the second spine of installation twists matching mechanism, above-mentioned two spine in the second arc groove
It is identical to twist matching 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 should be understood that temporald eixis or positional relationship are based on the figure
Orientation or positional relationship is merely for convenience of description the utility model, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. ratchet spanner, including handle, square joint, which is characterized in that further include square hole set, the square hole set outer wall is
Regular polygon opens up square hole in square hole set, installs square joint in square hole, the handle head opens up perforation installation
Hole, perforation mounting hole will guarantee square hole set completely into the perforation inner wall of the hole installing opens up the circular arc of two same shapes
Slot, respectively the first arc groove, the second arc groove, first arc groove the first spine of interior installation twist matching mechanism, the second circular arc
The second spine of installation twists matching mechanism in slot, and the stubborn matching mechanism structure of above-mentioned two spine is identical, and above-mentioned two spine twists matching mechanism will not be same
When with square hole cover outside regular polygon surface engage.
2. ratchet spanner according to claim 1, which is characterized in that institute is arranged with 105 degree of indexing in the perforation mounting hole
State two arc grooves.
3. ratchet spanner according to claim 1 or 2, which is characterized in that it includes pressure spring that first spine, which twists matching mechanism,
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 corresponding the
One circular arc groove bottom, plane correspond to square hole and cover outer regular polygon surface, and ratchet wheel block rear end is connected and fixed with ratchet wheel block pressure spring, ratchet
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. ratchet spanner according to claim 1 or 2, which is characterized in that four of the square hole inside the square hole set
Passing-through groove is opened up at angle, gets out of the way space for four corner angle of square joint.
5. ratchet spanner according to claim 1 or 2, which is characterized in that the square joint side wall opens up at least two
Blind hole, blind hole is interior to install steel ball, and steel ball pressure spring is installed between steel ball and blind-hole bottom, and the square hole inner wall of the square hole set is opened
Equipped with rounded channels corresponding with steel ball.
6. ratchet spanner according to claim 1 or 2, which is characterized in that pressing land is arranged in the square hole set outer wall,
It covers pressing land and perforation mounting hole end edge edge simultaneously with annular cover plate, is fastened in outside square hole set end with circlip,
Circlip blocks simultaneously pushes down cover board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822164410.6U CN209256788U (en) | 2018-12-21 | 2018-12-21 | Ratchet spanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822164410.6U CN209256788U (en) | 2018-12-21 | 2018-12-21 | Ratchet spanner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209256788U true CN209256788U (en) | 2019-08-16 |
Family
ID=67561003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822164410.6U Active CN209256788U (en) | 2018-12-21 | 2018-12-21 | Ratchet spanner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209256788U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109465771A (en) * | 2018-12-21 | 2019-03-15 | 威海市威力高档工具有限公司 | A kind of ratchet spanner |
-
2018
- 2018-12-21 CN CN201822164410.6U patent/CN209256788U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109465771A (en) * | 2018-12-21 | 2019-03-15 | 威海市威力高档工具有限公司 | A kind of ratchet spanner |
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