CN2544898Y - Convertible ratchet wrench - Google Patents
Convertible ratchet wrench Download PDFInfo
- Publication number
- CN2544898Y CN2544898Y CN 02236977 CN02236977U CN2544898Y CN 2544898 Y CN2544898 Y CN 2544898Y CN 02236977 CN02236977 CN 02236977 CN 02236977 U CN02236977 U CN 02236977U CN 2544898 Y CN2544898 Y CN 2544898Y
- Authority
- CN
- China
- Prior art keywords
- room
- head
- pawl
- body portion
- reversible ratchet
- 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
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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
A reversible ratchet wrench comprises a spanner grab handle with a head and a perforation on one end, a first containing chamber and a second containing chamber. A torque part is provided with a polygon aperture on the center and a toothed part on the surface of an external ring. The torque part which is installed in the perforation of the head can rotate freely fixed by a grommet. A pawl arranged in the first containing chamber of the head is provided with a toothed part on one side and a bunt part on the other side. A toggle piece consists of a body section and a toggle section. The body section of the toggle piece is arranged in the second containing chamber in the way of axial rotary motion and the toggle section is positioned outside the spanner grab handle, which makes the users apply force on the toggle section to rotate the body section. An elastic top stopper part consists of a spiral combined part formed by wire body and an elastic arm. The combined part sleeves on the body section of the toggle piece, and the elastic arm is extended in the first containing chamber of the head and elastically bunts at the bunt part of the pawl.
Description
Technical field
The utility model is relevant with hand-held tool, particularly about a kind of reversible ratchet spanner.
Background technology
United States Patent (USP) the 6th, 282,991 disclose a kind of reversible ratchet spanner, see also Figure 14, and include: a lever 90, one end have a head 91.This head 91 has perforation 911,1 first room 912 and one second room 913.One transfer component 92 utilizes a clasp 96, and it is installed in the perforation 911 of this head 91 in rotating mode.One pawl 93 is located in this first room 912, meshes with the ring tooth 921 with these transfer component 92 outsides.One shifting part 94 is located in this second room 913, and its front end edge radially is provided with a groove 941, and in wherein being equiped with a spring 95, in order to this pawl 93 of contact.Have positioning piece 97 in addition, be installed in the groove 914 of these second room, 913 rear ends, in order to locate this shifting part 93.
When assembling, must be earlier with this keeper 97, pack in this groove 914 by first room 912 (direction among the figure shown in the arrow), then this shifting part 94 is packed into by the openend of this second room 913, then this spring 95 is being inserted in the groove 941 in these shifting part 94 the place aheads the head 91 of again pawl 93 and transfer component 92 being packed in regular turn at last by the place ahead.
The creator finds, during as undersized this reversible ratchet spanner of desire assembling, aforesaid linkage editor is quite numerous and diverse work.
The utility model content
Edge is, main purpose of the present utility model is to provide a kind of reversible ratchet spanner, and its assembling is more or less freely.
For reaching aforesaid creation purpose, reversible ratchet spanner provided by the utility model includes: a spanner bandle, and the one end has a head, and this head has a perforation, one first room and one second room.One transfer component, its central authorities have a polygonal holes, and outer ring surface is provided with a tooth portion.This transfer component rotatably is installed in the perforation of this head.One pawl, one side have a tooth portion, and opposite side has one and supports portion.This pawl is located in first room of this head in a movable manner, and the tooth portion of this pawl and the tooth portion of this transfer component are meshing with each other.One shifting part has the whole body portion and one group of transfer part.The body portion of this shifting part to be can being located in along the mode of its axial rotation in second room of this head, and this group transfer part is positioned at the outside of this spanner bandle, and the elastic top part of pulling, and has a joint portion and an elastic arm.This binding site is in second room of this spanner bandle, and along axially the combining with the body portion of this shifting part of this shifting part body portion, this elastic arm then is general along in first room that radially extends this head of this body portion, and resilient abutment in this pawl to portion.
Wherein this elastic top part of pulling is made of the flexual line body of a tool, this joint portion shape in the shape of a spiral wherein, and this elastic arm is extending radially outwardly by this joint portion then.
Wherein the body portion of this shifting part inserts this elastic top and pulls in the joint portion of part.
Wherein an end of the body portion of this shifting part has a breach, and the pull joint portion of part of this elastic top has a linkage section, across crossing this joint portion radially, and is located in this breach.
Wherein the body portion of this shifting part has an annular groove, and the pull joint portion of part of this elastic top has a buckling parts, is located in this annular groove, and both fasten mutually.
Wherein the outer end of the breach of this shifting part body portion has at least one inclined-plane.
Wherein the pull junction surface of part of this elastic top has a stop section, is resisted against the sidewall of this head first room.
Wherein two sides of supporting portion of this pawl respectively have a protuberance.
Wherein two sides of supporting portion of this pawl respectively have a recess.
Wherein the portion that supports of this pawl is a cancave cambered surface, and its two side respectively has a protuberance and a recess, and respectively this recess is positioned at the outside of corresponding protuberance.
Wherein an end of this first room is open shape, and a cover plate is located at the head of this spanner and is covered on this perforation and an end of this first room, and the body portion of this shifting part has a stop section, is positioned at the below of this cover plate.
Description of drawings
Below in conjunction with two preferred embodiments, and conjunction with figs., the utility model is further described, wherein:
Fig. 1 is the exploded view of the utility model first preferred embodiment;
Fig. 2 is the top view of the utility model first preferred embodiment;
Fig. 3 is the cutaway view along 3-3 hatching line among Fig. 2;
Fig. 4 is the stereogram of the shifting part of the utility model first preferred embodiment;
Fig. 5 is the pull stereogram of part of the elastic top of the utility model first preferred embodiment;
Fig. 6 is the pull top view of part of the elastic top of the utility model first preferred embodiment;
Fig. 7 is the cutaway view of 7-7 hatching line among Fig. 6;
Fig. 8 is the top view of the utility model first preferred embodiment, shows that pawl is moved into the left side and is rotated counterclockwise lever, to unscrew nut, effective application of force schematic diagram;
Fig. 9 is the top view of the utility model first preferred embodiment, shows that pawl is moved into the left side and the lever that turns clockwise, to unscrew nut, the invalid schematic diagram that resets of pawl;
Figure 10 is the top view of the utility model first preferred embodiment, shows that pawl is moved into the right side and the lever that turns clockwise, to screw nut, effective application of force schematic diagram;
Figure 11 is the top view of the utility model first preferred embodiment, shows that pawl is moved into the right side and is rotated counterclockwise lever, to screw nut, the invalid schematic diagram that resets of pawl;
Figure 12 is the exploded view of the utility model second preferred embodiment, and
Figure 13 is the cutaway view of the utility model second preferred embodiment;
Figure 14 is existing reversible ratchet spanner schematic diagram.
The specific embodiment
See also Fig. 1 to shown in Figure 3, the reversible ratchet spanner 1 that the utility model first preferred embodiment is provided includes: a spanner bandle 10, a transfer component 20, a pawl 30, a shifting part 40 and the elastic top part 50 of pulling, wherein:
One end of this spanner bandle 10 has a head 11, has perforation 12,1 first room 13 and one second room 14 on it, and wherein this first room 13 and is interconnected with it between this perforation 12 and this second room 14.This perforation 12 all is open shape at relative two side planes of these spanner bandle 10 heads 11 thickness, this first room 13 all is closed at relative two side planes of these spanner bandle 10 heads 11 thickness, and this second room 14 only is open shape in a side of head 11 thickness, then is closed in opposite side.Have an annular groove 121 on the inboard ring wall of this perforation 12, the bottom side of this second room 14 has a recess 141, and its function repeats after holding.
The central authorities of this transfer component 20 have a hexagonal or bihexagonal polygonal holes 21, in order in conjunction with a nut or bolt (not shown), have the side that a tooth portion 22 and an annular groove 23 are positioned at this tooth portion 22 on its outside ring wall.This transfer component 20 is located in the perforation 12 of this spanner bandle 10, and is installed in this two annular groove 121,23 by a clasp 24, this transfer component 20 is installed in this perforation 12, and can rotates freely.
One side of this pawl 30 has a tooth portion 32, and opposite side has one and supports portion 34, and should respectively have one to two sides of portion 34 by portion 36.In the present embodiment, should support portion 34 and be a concave arc, its two side has a protuberance 341 and a recess 342 respectively.This pawl 30 is located in first room 13 of this spanner bandle 10, its tooth portion 32 is meshing with each other with the tooth portion 22 of separable mode and this transfer component 20, and can be subjected to external force and the left side (as shown in Figure 8) and right side (as shown in figure 10) that move to this first room.
This shifting part 40 has the whole body portion 41 and one group of transfer part 42.In the present embodiment, this body portion 41 is a cylinder, has radially Lr of an axial La and.This body portion 41 is located at along its axial end in this group transfer part 42.See also Fig. 4, the other end of this body portion is provided with a breach 411 and an annular groove 412, and it is other to be positioned at this breach 411.Two sides of this breach 411 in its open end respectively have an inclined-plane 413.This shifting part 40 inserts in second room 14 of this spanner bandle 10 with this body portion 41, and inserts in this recess 141, and this group transfer part 42 then is positioned at the outside of this spanner bandle 10.The user can be by forcing in this group transfer part 42 along its axially these body portion 41 rotations.
This elastic top part 50 of pulling has a joint portion 51 and an elastic arm 52.In the present embodiment, see also Fig. 5 to Fig. 7, this elastic top part 50 of pulling is made of a metal wire body, and wherein crooked this line body curl to be forming this joint portion 51, and this elastic arm 52 then is that the end by this joint portion 51 extends radially outwardly into the section of arc along it.See also shown in Figure 5ly, this joint portion 51 has a buckling parts 511 near a side of this elastic arm 52, and it is the less section of a diameter.One end of this joint portion 51 has a linkage section 512, across the end face of crossing this joint portion 51, make this line body continue to stretch out forming this elastic arm 52, and have a stop section 513 at the other end, its for this line body by this joint portion 51 along its section that extends radially outwardly.
The pull joint portion 51 of part 50 of this elastic top is located in second room 14 of this head 11, the body portion 41 of this shifting part 40 inserts this joint portion 51, this buckling parts 511 is located in the annular groove 412 in this body portion 41, and the linkage section 512 of this elastic arm 52 is located in the breach 411 of this body portion 41, the outer end that makes this elastic arm 52 extends in this first room 13 in the mode of foolish sky, and is resisted against the portion 34 that supports of this pawl 30.This stop section 513 is resisted against the upper end wall of this second room 13, and this elastic top part 50 unlikely open ends by this second room 14 of pulling are deviate from.In like manner, borrow joint portion 511 that this elastic top pulls part 50 fastening, shifting part 40 unlikely open ends by this second room 14 are deviate from the annular groove 412 of shifting part 40.
In other words, of the present utility model being characterised in that provides this elastic top part 50 of pulling, and the body portion 41 that makes this shifting part 40 axially combines with the pull joint portion 51 of part 50 of this elastic top with it, and this this elastic top part 50 of pulling can be rotated together along with this shifting part 40.
See also Fig. 8, when the application of force turns to the right side with the transfer part 42 of dialling of this shifting part 40, make the pull elastic arm 52 of part 50 of this elastic top be moved to the left, support the protuberance 341 in portion 34 left sides and fall into this recess 342 and cross this pawl 30, at this moment, this pawl 30 can be moved into the left of this first room 13, and makes the portion 36 of leaning in these pawl 30 left sides be resisted against the left side wall of this first room 13.
At this moment, rotate counterclockwise this spanner bandle 10, tooth portion 32 meetings of this pawl 30 and tooth portion 22 tight engagement of this transfer component 20 make these transfer component 20 meetings along with this spanner bandle 10 rotates in the lump, and unscrew nut or bolt.
See also Fig. 9, if turn clockwise this spanner bandle 10, this pawl 30 can slightly be drawn back, and make this tooth portion 32 leave the tooth portion 22 of this transfer component 20, this elastic top is pulled the elastic arm 52 of part 50 can be oppressed and produce micro-strain, to provide an elastic force, make pawl 30 mesh the tooth portion 22 of actuator 20 at any time to this pawl 30.This spanner bandle 10 that turns clockwise is just made invalid wilful bit motion.
Figure 10 and Figure 11 show to dial left to change the dialling transfer part 42 of this shifting part 40 and make this elastic top pull the elastic arm 52 of part 50 to right rotation, and cross that this pawl 30 supports the protuberance 341 on portion 34 right sides and the recess 342 that falls into the rear, to drive the right side that this pawl 30 moves to this first room 13, make the portion 36 of leaning on these pawl 30 right sides be resisted against the right side wall of this first room 13.Can drive nut or bolt when making this spanner bandle 10 clockwise rotate and rotate, reach the purpose that screws nut or bolt, then just make invalid homing action when rotating counterclockwise.
What this will propose to illustrate be, when the user rotate this shifting part 40 make this this elastic top pull part 50 elastic arm 52 rotation and will cross this pawl 30 and support the protuberance 341 of portion 34 time, have a small resistance, and when this elastic arm 52 is crossed this protuberance 341, more can produce a sound feedback, and after this elastic arm 52 falls into this recess 342, then can provide this elastic arm 52 certain potential energy power, make the user learn that this pawl 30 is turned to the location according to aforesaid feedback.When the reversible ratchet spanner 1 that combination the utility model first preferred embodiment is provided, the pull joint portion 51 of part 50 of this elastic top is inserted in this second room 14 by the perforation 11 of this spanner bandle 10.Then, the body portion 41 of this shifting part 40 is inserted this elastic top by the open end of this second room 14 pulls in the joint portion 51 of part 50, and the application of force is pressed into cooperation, buckling parts 511 on this joint portion 51 is interlocked with the annular groove 412 of these shifting part 40 body portions 41, and the linkage section 512 of this elastic arm 52 can fall into the breach 411 of this body portion 41.And the inclined-plane 413 of these breach 411 opening parts can make linkage section 512 more or less freely the entering in this breach 412 of this elastic arm 52, rotates this elastic arm 52 by this breach 412.This pawl 30, this transfer component 20 are installed at last in regular turn, are promptly finished installation procedure.
Figure 12 and Figure 13 are the reversible ratchet spanner 2 that shows that the utility model second preferred embodiment is provided, and be similar to first embodiment, includes: a spanner bandle 70, a transfer component 71, a pawl 72, a shifting part 73 and the elastic top part 74 of pulling.This spanner bandle 70 has perforation 711,1 first room 712 and one second room 713, and wherein a side of this first room 712 also is open shape.One cover plate 75 is covered on this perforation 711 and this first room 712, and utilizes a clasp 76 that it is fixed.Have a stop section 731 on this shifting part 73, be positioned at the below of this cover plate 75, make this shifting part 73 can not deviate from by this second room 713.This elastic top part 74 of pulling has a joint portion 741 and an elastic arm 742 equally, but does not have aforesaid stop section.
Claims (11)
1. a reversible ratchet spanner is characterized in that, includes:
One spanner bandle, the one end has a head, this head has a perforation, one first room and one second room, wherein this first room is between this perforation and this second room, and be communicated with this second room with this perforation respectively, this perforation is open shape at two transverse planes of this head thickness, and this second room is open shape at a transverse plane of this head thickness;
One transfer component, its central authorities have a polygonal holes, and outer ring surface is provided with a tooth portion; This transfer component rotatably is installed in the perforation of this head;
One pawl, one side have a tooth portion, and opposite side has one and supports portion; This pawl is located in first room of this head in a movable manner, and the tooth portion of this pawl and the tooth portion of this transfer component are meshing with each other;
One shifting part has the whole body portion and one group of transfer part; This body portion has one axially and one radially, and this body portion is located at along its axial end in this group transfer part;
The body portion of this shifting part to be can being located in along the mode of its axial rotation in second room of this head, and this group transfer part is positioned at the outside of this spanner bandle, and
The one elastic top part of pulling has a joint portion and an elastic arm; This binding site is in second room of this spanner bandle, and axially combining along this shifting part body portion with the body portion of this shifting part, make this elastic top part of pulling to rotate together along with this shifting part, this elastic arm then is general along in second room that radially extends this head of this body portion, and resilient abutment is in the portion that supports of this pawl.
2. reversible ratchet spanner according to claim 1 is characterized in that, wherein this elastic top part of pulling is made of the flexual line body of a tool, this joint portion shape in the shape of a spiral wherein, and this elastic arm is extending radially outwardly by this joint portion then.
3. reversible ratchet spanner according to claim 2 is characterized in that, wherein the body portion of this shifting part inserts this elastic top and pulls in the joint portion of part.
4. reversible ratchet spanner according to claim 1 is characterized in that, wherein an end of the body portion of this shifting part has a breach, and the pull joint portion of part of this elastic top has a linkage section, across crossing this joint portion radially, and is located in this breach.
5. reversible ratchet spanner according to claim 1 is characterized in that, wherein the body portion of this shifting part has an annular groove, and the pull joint portion of part of this elastic top has a buckling parts, is located in this annular groove, and both fasten mutually.
6. reversible ratchet spanner according to claim 4 is characterized in that, wherein the outer end of the breach of this shifting part body portion has at least one inclined-plane.
7. reversible ratchet spanner according to claim 1 is characterized in that, wherein the pull junction surface of part of this elastic top has a stop section, is resisted against the sidewall of this head first room.
8. reversible ratchet spanner according to claim 1 is characterized in that, wherein two sides of supporting portion of this pawl respectively have a protuberance.
9. reversible ratchet spanner according to claim 1 is characterized in that, wherein two sides of supporting portion of this pawl respectively have a recess.
10. reversible ratchet spanner according to claim 1 is characterized in that, wherein the portion that supports of this pawl is a cancave cambered surface, and its two side respectively has a protuberance and a recess, and respectively this recess is positioned at the outside of corresponding protuberance.
11. reversible ratchet spanner according to claim 1 is characterized in that, wherein an end of this first room is open shape, one cover plate, be located at the head of this spanner and be covered on this perforation and an end of this first room, the body portion of this shifting part has a stop section, is positioned at the below of this cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02236977 CN2544898Y (en) | 2002-06-10 | 2002-06-10 | Convertible ratchet wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02236977 CN2544898Y (en) | 2002-06-10 | 2002-06-10 | Convertible ratchet wrench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2544898Y true CN2544898Y (en) | 2003-04-16 |
Family
ID=33711072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02236977 Expired - Fee Related CN2544898Y (en) | 2002-06-10 | 2002-06-10 | Convertible ratchet wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2544898Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1314518C (en) * | 2003-06-27 | 2007-05-09 | 利益得股份有限公司 | Ratchet wrench convenient for operation and force application |
| CN106392967A (en) * | 2016-11-11 | 2017-02-15 | 浙江亿洋工具制造有限公司 | Ratchet wrench and ratchet wrench head |
| CN107614203A (en) * | 2015-03-16 | 2018-01-19 | 凯文·戴恩 | Reversible wrench |
-
2002
- 2002-06-10 CN CN 02236977 patent/CN2544898Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1314518C (en) * | 2003-06-27 | 2007-05-09 | 利益得股份有限公司 | Ratchet wrench convenient for operation and force application |
| CN107614203A (en) * | 2015-03-16 | 2018-01-19 | 凯文·戴恩 | Reversible wrench |
| CN106392967A (en) * | 2016-11-11 | 2017-02-15 | 浙江亿洋工具制造有限公司 | Ratchet wrench and ratchet wrench head |
| CN106392967B (en) * | 2016-11-11 | 2019-05-21 | 浙江亿洋工具制造有限公司 | Ratchet spanner and its ratchet wrench head |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |