CN202528101U - Ratchet wrench - Google Patents
Ratchet wrench Download PDFInfo
- Publication number
- CN202528101U CN202528101U CN2012200770192U CN201220077019U CN202528101U CN 202528101 U CN202528101 U CN 202528101U CN 2012200770192 U CN2012200770192 U CN 2012200770192U CN 201220077019 U CN201220077019 U CN 201220077019U CN 202528101 U CN202528101 U CN 202528101U
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- China
- Prior art keywords
- pawl
- ratchet
- wall
- control piece
- primary importance
- 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 - Lifetime
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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The utility model discloses a ratchet wrench which comprises a body, a ratchet, a first catch pawl, a second catch pawl and a control part, wherein the first catch pawl and the second catch pawl can move between a first position and a second position relative to the ratchet; the first position is a position in which a transmission torque is provided; the second position is a position in which the torque is not transmitted; the control part moves in a pivoting mode and can stop in one of the first position, the second position and a neutral position by operation; the body is provided with an operation part; the operation part comprises a groove; the groove comprises two accommodating chambers with inclined planes; and the accommodating chambers can be used for accommodating the first catch pawl and the second catch pawl.
Description
Technical field
This case is about ratchet spanner, is used for rotation screw or nut or similar articles.
Background technology
Patent cases such as prior art US2188846, TW408653 (US7237460, DE10066314, CA2356549, US6282992B1, DE10062853, US2004139823), US7237460B2, EP1215014A3 have proposed multiple convention ratchet spanner technology.Although these early stage known techniques have its advantage, still have the space that continues improvement.
Novel content
This case roughly discloses:
One body;
One ratchet, it is disposed in this body and has the plurality of pins of a circumference that defines this ratchet;
One first pawl, its elasticity press on one of this body internal perisporium and normality property ground and ratchet coupling, and it is disposed in this body and can between following positions, moves with respect to this ratchet:
One primary importance, wherein, at this primary importance place, this first pawl is disposed between this body and this ratchet, and this first pawl and the coupling of this ratchet are so that this body provides transfer of torque via this first pawl in one first direction of rotation; And
One second place, wherein, at this second place place, this first pawl is transfer of torque not;
One second pawl, its elasticity press on one of this body internal perisporium and normality property ground and ratchet coupling, and it is disposed in this body and can between following positions, moves with respect to this ratchet:
One primary importance, wherein, at this primary importance place, this second pawl is disposed between this body and this ratchet, and this second pawl and the coupling of this ratchet are so that this body provides transfer of torque via this second pawl in one second direction of rotation; And
One second place, wherein, at this second place place, this second pawl is transfer of torque not;
One control piece, its can park through operation in following positions at least one of them: a primary importance and a second place, wherein:
When this control piece is positioned at this primary importance, the coupling of this first pawl and this control piece and thereby away from the primary importance of first pawl, therefore allow this second pawl and this ratchet to be coupled, so that this body provides transfer of torque in this second direction of rotation;
When this control piece is positioned at this second place, the coupling of this second pawl and this control piece and thereby away from the primary importance of second pawl, therefore allow this first pawl and this ratchet to be coupled, so that this body provides transfer of torque in this first direction of rotation.
Other embodiment of this case and detailed characteristics further specify as after.
Description of drawings
Fig. 1 is this case exploded perspective view.
Fig. 2 is the side view of this case combination back.
Fig. 3 is the opposite side view that closes after this case group.
Fig. 4 A and Fig. 4 B are the illustrative view of this case switch operation.
Fig. 5 is another illustrative view of this case switch operation, and wherein control piece 100 and reversing switch are removed with show internal structure.
Fig. 6 A demonstration control piece is parked the sketch map that is positioned at the 3rd position in the centre.
Fig. 6 B shows that control piece turns right and be positioned at the sketch map of primary importance.
Fig. 6 C shows that control piece turns left and is positioned at the sketch map of the second place.
Fig. 6 D shows the structure chart at control piece back.
Fig. 7 shows the partial sectional view of this case.
The specific embodiment
Like Fig. 1, Fig. 2, Fig. 3, Fig. 4 A, Fig. 4 B, Fig. 5, Fig. 6 A, Fig. 6 B, Fig. 6 C, Fig. 6 D and shown in Figure 7, the ratchet spanner of this case roughly comprises: a body (10) has a lever (12); One ratchet (40), it is disposed in this body (10) and has the plurality of pins (42) of a circumference that defines this ratchet (40); One first pawl (60) and one second pawl (80); And control piece (100).
Body (10) has an operating portion (14), and this operating portion (14) comprises a groove (16), and it is reached by a diapire (18) and forms around perisporium (20) within the diapire (18).Groove (16) is held before and can be held this ratchet (40), this first pawl (60) and this second pawl (80) in it.Be provided with a first wall (22) and one second wall (24) in the groove (16); This first pawl (60) and second pawl (80) are arranged at respectively between this first wall (22) and this second wall (24) and the ratchet (40); The configuration of this first wall (22) makes when this first pawl (60) is positioned at its primary importance; First pawl (60) clip between first wall (22) and ratchet (40) and with ratchet (40) engagement, so that this transfer of torque to be provided; The configuration of this second wall (24) makes when this second pawl (80) is positioned at its primary importance, and second pawl (80) clip is between second wall (24) and ratchet (40) and mesh with ratchet (40), so that transfer of torque to be provided.
One platform is located at the end of groove (16).This platform is from the outstanding height of diapire (18).Control piece (100) can be fixed on this platform.One of this platform end is defined by first wall (22) and second wall (24).Platform is provided with hole (H1), for control piece (100) can the pivot mode fixing.
According to a preferred embodiment, this first wall (22) from one near one of internal perisporium (20) first end towards extending near one of this second wall (24) second end.This first wall (22) has a gradient, makes that the distance between this second end and ratchet (40) is narrower than the distance between this first end and ratchet (40).This second wall (24) from one near one of internal perisporium (20) first end towards extending near one of this first wall (22) second end; This second wall (24) has a gradient, makes that the distance between this second end and ratchet (40) is narrower than the distance between this first end and ratchet (40).
According to another preferred embodiment, groove (16) comprises two accommodation chambers, holds this first pawl (60) and this second pawl (80) respectively in it; Wherein an accommodation chamber comprises this first wall (22), and another accommodation chamber comprises this second wall (24).First wall (22) and second wall (24) form the upward slope inclined-plane towards the inboard, that is tilt towards groove (16) front end.First pawl (60) is disposed between first wall (22) and this ratchet (40) of this body (10) and can between a primary importance and a second place, moves with respect to this ratchet.At this primary importance place, this first pawl (60) is coupled with this ratchet (40) and receives first wall (22) support, so that this body (10) provides transfer of torque via this first pawl (60) in one first direction of rotation.At this second place place, this first pawl (60) separates with this ratchet (40), not transfer of torque.
First pawl (60) comprises the side that is positioned between ratchet (40) and the first wall (22), receives spring (S) bias voltage, makes this first pawl (60) and second pawl (80) normality property ground and ratchet (40) coupling.According to an embodiment, one of spring (S) end be connected to one firmly be resisted against internal perisporium retaining piece (68,88).(refer under the situation of not controlled product (100) control) under normal conditions, first pawl (60) receive spring (S) the application of force and along the direction that is roughly parallel to first wall (22) towards the tooth portion (42) of ratchet (40) near.
Second pawl (80) is disposed between second wall (24) and this ratchet (40) of this body (10) and can between a primary importance and a second place, moves with respect to this ratchet.At this primary importance place, this second pawl (80) is coupled with this ratchet (40) and supported so that this body (10) provides transfer of torque via this second pawl (80) in one second direction of rotation by second wall (24).At this second place place, this second pawl (80) separates with this ratchet (40), not transfer of torque.
Second pawl (80) comprises the side that is positioned between ratchet (40) and second wall (24), receives spring (S) bias voltage, makes this first pawl (60) and second pawl (80) normality property ground and ratchet (40) coupling.According to an embodiment, one of spring (S) end be connected to one firmly be resisted against internal perisporium retaining piece (68,88).The application of force of spring (S) is roughly parallel to first wall (22) and second wall (24).(refer under the situation of not controlled product (100) control) under normal conditions, second pawl (80) receive spring (S) the application of force and along the direction that is roughly parallel to second wall (24) towards the tooth portion (42) of ratchet (40) near.Therefore, first pawl (60) and second pawl (80) are under the bias voltage of spring (S), and more to the inside, the interlock of tooth is tighter.Keep being spaced apart between this first pawl (60) and second pawl (80), so both moving can not interfere with each other.
The end tooth (66,86) of the tooth (62,82) of first pawl (60) and second pawl (80) is outstanding from its side (64,84) respectively, helps first pawl (60) and second pawl (80) when torque is provided, towards the first wall (22) and second wall (24) application of force.
Control piece (100) can with an external reversing switch (120) coupling, and it is fixing to pass the bolt (101) at control piece (100) center with one.Control piece (100) can through operation (for example via stir one be located at groove (16) outside reversing switch (120)) and park in primary importance, a second place and neutral position at least one of them.Shown in Fig. 6 A to Fig. 6 D, the back side of control piece (100) has first group of hole (104), second group of hole (106), the 3rd group of hole (108), can mesh steel ball (B) with receiving one of spring (S) bias voltage respectively.When this control piece (100) is positioned at this primary importance; Be (control piece (100) right-hand rotation) shown in Fig. 6 B; First group of hole this moment (104) and steel ball (B) engagement; This first pawl (60) is coupled with this control piece (100), the side (64) of promotion first pawl (60); And controlled product (100) drives the primary importance away from first pawl (60), and the side (84) that therefore allow to have only second pawl (80) and this ratchet (40) coupling, promotes second pawl (80) is so that this body (10) provides transfer of torque in this second direction of rotation.When this control piece (100) is positioned at this second place; Be (control piece (100) left-hand rotation) shown in Fig. 6 C; The 3rd group of hole this moment (108) and steel ball (B) engagement, this second pawl (80) and this control piece (100) coupling, and controlled product (100) drives the primary importance away from second pawl (80); Therefore allow to have only first pawl (60) and this ratchet (40) coupling, so that this body (10) provides transfer of torque in this first direction of rotation.When this control piece (100) is positioned at this neutral position; Be (control piece (100) is positioned at middle) shown in Fig. 6 A; Second group of hole this moment (106) and steel ball (B) engagement; This control piece (100) is not coupled with first pawl (60) and second pawl (80), and allows this body (10) that transfer of torque is provided in this first direction of rotation and this second direction of rotation simultaneously, so lock-out state in the middle of appearing.One of this case preferred embodiment does, this control piece (100) from first group of hole (104) to second group of hole (106) or from second group of hole (106) to the 3rd group of hole (108), preferable 20 degree that are spaced apart.
When assembling, a fixture (44) is used for making ratchet (40) to be pivotally fixed in operating portion, and after each assembly was packed groove (16) into, cover plate (F), C shape ring (C) and ring (R) were fixed in control piece (100) with reversing switch (120) again with the open end sealing of groove (16).Certainly, reversing switch (120) is that operability is connected with control piece (100), so this case is not limited to control piece (100) is designed to same assembly or different assembly with reversing switch (120).
The primary clustering symbol description
10 bodies
12 levers
14 operating portions
16 grooves
18 diapires
20 internal perisporiums
40 ratchets
42,62,82 teeth
44 fixtures
60 first pawls
64,84 sides
66,86 end teeth
68,88 retaining pieces
80 second pawls
100 control pieces
101 bolts
102 dialing parts
104 first groups of holes
106 second groups of holes
108 the 3rd groups of holes
120 reversing switches
The B steel ball
C C shape ring
The F cover plate
H1, the H2 hole
The R ring
The S spring
Claims (8)
1. ratchet spanner comprises:
One body (10), it comprises:
Groove (16), it is reached by a diapire (18) and forms around one of diapire (18) internal perisporium (20), and it comprises:
One first wall (22) and one second wall (24); Wherein:
First wall (22) and second wall (24) are towards tilting towards one of groove (16) front end;
One ratchet (40), it is disposed in this body (10) and has the plurality of pins (42) of a circumference that defines this ratchet (40);
One first pawl (60), it is disposed between this body (10) and this ratchet (40) and can between following positions, moves with respect to this ratchet:
One primary importance, wherein, at this primary importance place, this first pawl (60) is with this ratchet (40) coupling and receive first wall (22) support, so that this body (10) provides transfer of torque via this first pawl (60) in one first direction of rotation; And
One second place, wherein, at this second place place, this first pawl (60) separates with this ratchet (40), and transfer of torque is not provided;
One second pawl (80), it is disposed between this body (10) and this ratchet (40) and can between following positions, moves with respect to this ratchet:
One primary importance, wherein, at this primary importance place, this second pawl (80) is with this ratchet (40) coupling and receive second wall (24) support, so that this body (10) provides transfer of torque via this second pawl (80) in one second direction of rotation; And
One second place, wherein, at this second place place, this second pawl (80) separates with this ratchet (40), not transfer of torque;
One control piece (100), its can park through operation in following positions at least one of them: a primary importance and a second place, wherein:
When this control piece (100) is positioned at this primary importance; The coupling of this first pawl (60) and this control piece (100) and thereby away from the primary importance of first pawl (60); Therefore allow this second pawl (80) and this ratchet (40) coupling, so that this body (10) provides transfer of torque in this second direction of rotation;
When this control piece (100) is positioned at this second place; The coupling of this second pawl (80) and this control piece (100) and thereby away from the primary importance of second pawl (80); Therefore allow this first pawl (60) and this ratchet (40) coupling, so that this body (10) provides transfer of torque in this first direction of rotation.
2. like the ratchet spanner of request terms 1, wherein:
This control piece (100) can be parked in a neutral position through operation; When this control piece (100) is positioned at this neutral position; This control piece (100) is not coupled with first pawl (60) and second pawl (80), and allows this body (10) in this first direction of rotation and this second direction of rotation, transfer of torque to be provided simultaneously.
3. like the ratchet spanner of request terms 1, wherein:
Keep being spaced apart between this first pawl (60) and second pawl (80), so both moving can not interfere with each other.
4. like request terms 1 to 3 one ratchet spanner wherein, wherein:
This body (10) has an operating portion (14), and this operating portion (14) comprises this groove (16), and wherein:
This first pawl (60) and second pawl (80) are arranged at respectively between this first wall (22) and this second wall (24) and the ratchet (40); The configuration of this first wall (22) makes when this first pawl (60) is positioned at its primary importance; First pawl (60) clip between first wall (22) and ratchet (40) and with ratchet (40) engagement, so that this transfer of torque to be provided; The configuration of this second wall (24) makes when this second pawl (80) is positioned at its primary importance, and second pawl (80) clip is between second wall (24) and ratchet (40) and mesh with ratchet (40), so that this transfer of torque to be provided.
5. like the ratchet spanner of request terms 4, wherein:
This first wall (22) from one near one of internal perisporium (20) first end towards extending near one of this second wall (24) second end; This first wall (22) has a gradient, makes that the distance between this second end and ratchet (40) is narrower than the distance between this first end and ratchet (40).
This second wall (24) from one near one of internal perisporium (20) first end towards extending near one of this first wall (22) second end; This second wall (24) has a gradient, makes that the distance between this second end and ratchet (40) is narrower than the distance between this first end and ratchet (40).
6. like the ratchet spanner of request terms 1 or 2, wherein:
This body (10) has an operating portion (14); This operating portion (14) comprises this groove (16); This groove (16) comprises two accommodation chambers; In order to hold this first pawl (60) and this second pawl (80) in it, each these accommodation chamber comprises this first wall (22) and this second wall (24), and this first wall (22) and second wall (24) are the upward slope inclined-plane towards the inboard.
7. like the ratchet spanner of request terms 1 or 2, wherein:
This first pawl (60) and second pawl (80) respectively have a side to receive the spring bias voltage, make this first pawl (60) and second pawl (80) normality property ground and ratchet (40) coupling; And
This control piece (100) to be can the pivot mode operating, to promote the couple state that this first pawl (60) or second pawl (80) break away from itself and ratchet (40).
8. like the ratchet spanner of request terms 1 or 2, wherein:
Wherein this body (10) further comprises a platform, is located at one of groove (16) end, and outstanding from diapire (18), can supply this control piece (100) to install and fix;
This first wall (22) and second wall (24) are formed at one of platform end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200770192U CN202528101U (en) | 2012-03-02 | 2012-03-02 | Ratchet wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200770192U CN202528101U (en) | 2012-03-02 | 2012-03-02 | Ratchet wrench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202528101U true CN202528101U (en) | 2012-11-14 |
Family
ID=47129309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200770192U Expired - Lifetime CN202528101U (en) | 2012-03-02 | 2012-03-02 | Ratchet wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202528101U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104416344A (en) * | 2013-08-29 | 2015-03-18 | 通用汽车环球科技运作有限责任公司 | Force-control enabled automation of tube-nut assembly applications |
| CN108879468A (en) * | 2018-06-20 | 2018-11-23 | 广东电网有限责任公司 | Conducting wire operation manned device and system |
-
2012
- 2012-03-02 CN CN2012200770192U patent/CN202528101U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104416344A (en) * | 2013-08-29 | 2015-03-18 | 通用汽车环球科技运作有限责任公司 | Force-control enabled automation of tube-nut assembly applications |
| CN108879468A (en) * | 2018-06-20 | 2018-11-23 | 广东电网有限责任公司 | Conducting wire operation manned device and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| C56 | Change in the name or address of the patentee |
Owner name: APEX TOOL (HK) LIMITED, TAIWAN BRANCH Free format text: FORMER NAME: DANAHER TOOL LTD., TAIWAN BRANCH |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Eight Taiwan road Chinese Taichung City 407 Xitun District Industrial Zone No. 19 Patentee after: Apex Tool Group, Taiwan Address before: Eight Taiwan road Chinese Taichung City 407 Xitun District Industrial Zone No. 19 Patentee before: Danaher Tool Ltd., Taiwan Branch |
|
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121114 |
|
| CX01 | Expiry of patent term |