CN101767319B - Screwdriver ratchet device with built-in ratchet and application thereof - Google Patents
Screwdriver ratchet device with built-in ratchet and application thereof Download PDFInfo
- Publication number
- CN101767319B CN101767319B CN 201010107089 CN201010107089A CN101767319B CN 101767319 B CN101767319 B CN 101767319B CN 201010107089 CN201010107089 CN 201010107089 CN 201010107089 A CN201010107089 A CN 201010107089A CN 101767319 B CN101767319 B CN 101767319B
- Authority
- CN
- China
- Prior art keywords
- ratchet
- shaft
- ring
- annular
- screwdriver
- 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.)
- Active
Links
Images
Landscapes
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The invention relates to a structure of a ratchet screwdriver, in particular to a screwdriver ratchet device, a ratchet screwdriver handle and a ratchet screwdriver. The screwdriver ratchet device with the built-in ratchet comprises a ratchet pawl seat, a ratchet shaft, an outer clamping ring and two ratchet pawls; wherein the two sides of a central shaft hole of an annular body of the ratchet pawl seat are respectively provided with a ratchet pawl mounting port, the ratchet pawls are respectively arranged in the ratchet pawl mounting ports; the ratchet shaft, the outer clamping ring and the ratchet pawl seat into a whole are connected by the ratchet shaft; the ratchet pawls are of arch type and are provided with dummy clubs and ratchets, the ratchet shaft is provided with strip teeth, compression springs which can maintain the ratchets and the strip teeth engaged are respectively arranged in the ratchet mounting ports; the inner ring of the annular side wall of the outer clamping ring is provided with two notches, an inclined plane is arranged on the notches, and when the outer clamping ring is rotated towards one side, the inclined plane can force the dummy club on one ratchet pawl so that the ratchets on the ratchet pawl and the strip teeth can be disengaged. The invention simplifies the structure of the ratchet device, reduces the production cost, and has the advantage of long service life.
Description
Technical field
The present invention relates to a kind of structure of ratchet screwdriver, the Ratchet Screwdriver Handle and the ratchet screwdriver that relate in particular to a kind of screw driver ratchet device and use this ratchet device.
Background technology
Existing screwdriver is at the handle front end and sets firmly a metal system mobile jib, and the mobile jib free end is provided with the pulling part of a cross or a word shape, grips handle with palm in use, and continues rotation, drives pulling part through handle and rotates, so that as loosening, tighten bolt.When this screwdriver uses; The user need constantly do the action that loosens, tighten palm, be in order to palm to be easy to force application location along tooth, and handle, pulling part is structure as a whole; Therefore user's action that must constantly loosen, tighten palm is operated, and uses very inconvenient.
In order to solve above-mentioned technical problem, ratchet screwdriver has appearred, and like the ratchet mechanism of the disclosed a kind of bottle opener of Chinese utility model patent ZL02246025.X, this utility model can reach the effect that enlarges the ratchet screw scope of application and make things convenient for the user to operate really.But this ratchet mechanism structure more complicated, production cost is higher.
Summary of the invention
Comparatively complicated in order to solve above-mentioned ratchet mechanism structure, the technological deficiency that production cost is high an object of the present invention is to provide a kind of ratchet device of screwdriver, and it has characteristics simple in structure, long service life.Another object of the present invention provides Ratchet Screwdriver Handle and the ratchet screwdriver that uses above-mentioned ratchet device.
In order to realize first above-mentioned purpose, the technical scheme below the present invention has adopted:
The screw driver ratchet device of built-in ratchet, this ratchet device have the state of being rotated counterclockwise, locking-in state and the state that turns clockwise, and described ratchet device comprises pawl base, ratchet shaft, outer collar and two ratchets; Pawl base is made up of with the connecting portion that is used to be connected the screw driver handle body annular solid, and annular solid is provided with central shaft hole, and is respectively equipped with the ratchet installing port in the both sides of central shaft hole, and the ratchet installing port runs through annular solid, and two ratchets are separately positioned in the ratchet installing port; Described ratchet shaft is located in the central shaft hole; The top of ratchet shaft is used to connect driver bit; On the ratchet shaft of ratchet place portion, circumferentially be provided with the bar shaped tooth, the top of bar shaped tooth is provided with positioning convex ring, and ratchet shaft links into an integrated entity ratchet shaft, outer collar and pawl base; Described ratchet is the arch bridge type, and the arranged outside of an end of ratchet has boss, and the inboard of the other end of ratchet is provided with ratchet, and in two ratchet installing ports, is respectively arranged with the stage clip that makes ratchet and bar shaped tooth maintenance engagement; Described outer collar is made up of circular table and annular sidewall; Circular table is arranged between positioning convex ring and the annular solid, and annular sidewall is arranged on the outer ring of annular solid, and the inner ring of annular sidewall is provided with two recesses; Boss on described two ratchets is contained in the recess respectively; The inboard of recess is respectively arranged with an inclined-plane, and during collar, the boss on ratchet of the inclined-plane of the recess of opposite side compressing makes the ratchet of this ratchet break away from the bar shaped tooth and meshes outside a sideway swivel.
As further improvement; The inner ring of above-mentioned annular sidewall also is provided with three positioning ports, and is provided with blind hole in the outside of pawl base, is provided with spring in the blind hole; The spring outer end is provided with hoodle; The setting of hoodle protrusion blind hole, the hoodle outer end is contained in one of them positioning port, and the location status of three positioning ports is respectively ratchet and is rotated counterclockwise state, locking-in state and the state that turns clockwise.
As further improvement, the bottom inner ring of above-mentioned annular sidewall is provided with the rotating distance deep-slotted chip breaker identical with the rotating distance of three positioning ports, and the outer ring of described annular solid is provided with positioning boss, and positioning boss is arranged in the deep-slotted chip breaker.The rotation that positioning boss and deep-slotted chip breaker can prevent outer collar is set only limits to three positioning ports, prevent that rotation excessively.
As further improvement; Above-mentioned ratchet installing port is provided with spring eye in boss one side, and an end of described stage clip is provided with in the spring eye, and the outside of described ratchet is provided with concave surface; Ratchet is slidingly arranged in the ratchet installing port through concave surface, and the other end of described stage clip and the end of concave surface offset.Above-mentioned structure provides a kind of installation set-up mode of stage clip, has characteristic of simple structure, the engagement that ratchet and bar shaped tooth are remained valid.
As further improvement; Above-mentioned central shaft hole runs through annular solid and connecting portion, and the bottom protrusion connecting portion of ratchet shaft is provided with cannelure at the ratchet the tip of the axis; Be provided with expanding ring in the cannelure, ratchet shaft, outer collar and pawl base linked into an integrated entity through expanding ring.Above-mentioned structure provides a kind of connected mode, have simple in structure, implement characteristics easily.
As further improvement, the upper end of above-mentioned circular table is provided with annular scrobicular ring, and the bottom of described positioning convex ring is arranged in the annular scrobicular ring, and between positioning convex ring and annular scrobicular ring, is provided with metal washer.Metal washer can prevent the wearing and tearing between annular scrobicular ring and the circular table effectively, improves service life.
As further improvement, the top of above-mentioned ratchet shaft is provided with the driver bit installing hole, is provided with magnet steel in the installing hole, and magnet steel is fixed by jump ring.Magnet steel is used to adsorb driver bit, and is easy to use.
As further improvement, the outer wall of above-mentioned annular sidewall is provided with many anti-skidding raised lines.
In order to realize second above-mentioned purpose, the invention discloses a kind of Ratchet Screwdriver Handle, this screw driver handle is made up of handle body and above-mentioned any described screw driver ratchet device of technical scheme.The present invention also discloses a kind of ratchet screwdriver in addition, and this ratchet screwdriver is made up of driver bit and above-mentioned Ratchet Screwdriver Handle.
The present invention is owing to adopted above-mentioned technical scheme; The bar shaped tooth is arranged on the ratchet shaft, and ratchet is arranged on the pawl base, the engagement of remaining valid through the effect of stage clip; Through ratchet shaft pawl base, ratchet shaft, outer collar three are linked together simultaneously; Simplify the structure of ratchet device, reduced production cost, had the characteristics of long service life.
Description of drawings
Fig. 1 is a contour structures sketch map of the present invention.
Fig. 2 is the A-A cutaway view of Fig. 1.
Fig. 3 is a blast structural representation of the present invention.
Fig. 4 is the structural representation of pawl base of the present invention.
Fig. 5 is the B-B cutaway view of Fig. 4.
Fig. 6 is the structural representation of the outer collar of the present invention.
Fig. 7 is the C-C cutaway view of Fig. 6.
Fig. 8 is the structural representation of ratchet of the present invention.
Fig. 9～Figure 11 is rotated counterclockwise state, locking-in state and the structural representation of the three kinds of states of state that turn clockwise for ratchet of the present invention.
The specific embodiment
Do a detailed explanation below in conjunction with the accompanying drawing specific embodiments of the invention.
Like the screw driver ratchet device of Fig. 1, Fig. 2, built-in ratchet shown in Figure 3, this device comprises pawl base 3, ratchet shaft 1, outer collar 2 and two ratchets 4.Like Fig. 4, shown in Figure 5; Pawl base 3 is made up of with the connecting portion 32 that is used to be connected the screw driver handle body annular solid 31; Annular solid 31 is provided with central shaft hole 33, and is respectively equipped with 34, two ratchets 4 of ratchet installing port in the both sides of central shaft hole 33 and is separately positioned in the ratchet installing port 34.As shown in Figure 3, described ratchet shaft 1 is located in the central shaft hole 33, and the top of ratchet shaft 1 is provided with driver bit installing hole 14, is provided with magnet steel 10 in the installing hole 14, and magnet steel 10 is fixing by jump ring 20, and driver bit is fixed in the installing hole 14 in the time of use.As shown in Figure 1, on the ratchet shaft 1 of ratchet 4 place portions, circumferentially be provided with bar shaped tooth 12, the top of bar shaped tooth 12 is provided with positioning convex ring 11.As shown in Figure 5; Described central shaft hole 33 runs through annular solid 31 and connecting portion 32; The bottom protrusion connecting portion 32 of ratchet shaft 1; End at ratchet shaft 1 is provided with cannelure 13, is provided with expanding ring 9 in the cannelure 13, through expanding ring 9 ratchet shaft 1, outer collar 2 and pawl base 3 is linked into an integrated entity.
As shown in Figure 8, described ratchet 4 is the arch bridge type, and the arranged outside of an end of ratchet 4 has boss 41; The inboard of the other end of ratchet 4 is provided with ratchet 42, and ratchet installing port 34 is provided with spring eye 35 in boss one side, and an end of described stage clip 5 is provided with in the spring eye 35; The outside of described ratchet 4 is provided with concave surface 43; Ratchet 4 is slidingly arranged in the ratchet installing port 34 through concave surface 43, and the end of the other end of described stage clip 5 and concave surface 43 offsets, and makes ratchet 42 and bar shaped tooth 12 keep engagement.Like Fig. 6, shown in Figure 7; Described outer collar 2 is made up of circular table 21 and annular sidewall 22; Circular table 21 is arranged between positioning convex ring 11 and the annular solid 31; The upper end of circular table 21 is provided with annular scrobicular ring 23, and the bottom of described positioning convex ring 11 is arranged in the annular scrobicular ring 23, and is provided with metal washer 8 at positioning convex ring 11 and annular scrobicular ring 23.
Be arranged on the outer ring of annular solid 31 like Fig. 2, annular sidewall shown in Figure 3 22; The outer wall of annular sidewall 22 is provided with many anti-skidding raised lines 24; The inner ring of annular sidewall 22 is provided with two recesses 25, and the boss 41 on described two ratchets 4 is contained in respectively in the recess 25, and the inboard of recess 25 is respectively arranged with an inclined-plane 26; During collar 2, the boss on ratchet 4 of inclined-plane 26 compressings of the recess 25 of opposite side makes the ratchet 42 of this ratchet 4 and bar shaped tooth 12 break away from engagement outside a sideway swivel; The inner ring of annular sidewall 22 also is provided with three positioning ports 27; And be provided with blind hole 36 in the outside of pawl base 3; Be provided with spring 6 in the blind hole 36, spring 6 outer ends are provided with hoodle 7, and hoodle 7 protrusion blind holes 36 are provided with; The location status that hoodle 7 outer ends are contained in 27, three positioning ports 27 of one of them positioning port is respectively ratchet device and is rotated counterclockwise state, locking-in state and the state that turns clockwise (like Fig. 9～shown in Figure 11).The bottom inner ring of annular sidewall 22 is provided with the rotating distance deep-slotted chip breaker 28 identical with the rotating distance of three positioning ports 27, and the outer ring of described annular solid 31 is provided with positioning boss 37, and positioning boss 37 is arranged in the deep-slotted chip breaker 28.
Claims (8)
1. the screw driver ratchet device of built-in ratchet, this ratchet device has the state of being rotated counterclockwise, locking-in state and the state that turns clockwise, and it is characterized in that: described ratchet device comprises pawl base (3), ratchet shaft (1), outer collar (2) and two ratchets (4); Pawl base (3) is made up of with the connecting portion that is used to be connected the screw driver handle body (32) annular solid (31); Annular solid (31) is provided with central shaft hole (33); And be respectively equipped with ratchet installing port (34) in the both sides of central shaft hole (33); Ratchet installing port (34) runs through annular solid (31), and two ratchets (4) are separately positioned in the ratchet installing port (34); Described ratchet shaft (1) is located in the central shaft hole (33); The top of ratchet shaft (1) is used to connect driver bit; On the ratchet shaft (1) of ratchet (4) place portion, circumferentially be provided with bar shaped tooth (12); The top of bar shaped tooth (12) is provided with positioning convex ring (11), and ratchet shaft (1) links into an integrated entity ratchet shaft (1), outer collar (2) and pawl base (3); Described ratchet (4) is the arch bridge type; The arranged outside of one end of ratchet (4) has boss (41); The inboard of the other end of ratchet (4) is provided with ratchet (42), and in two ratchet installing ports (34), is respectively arranged with the stage clip (5) that ratchet (42) and bar shaped tooth (12) maintenance are meshed; Described outer collar (2) is made up of circular table (21) and annular sidewall (22); Circular table (21) is arranged between positioning convex ring (11) and the annular solid (31); Annular sidewall (22) is arranged on the outer ring of annular solid (31); The inner ring of annular sidewall (22) is provided with two recesses (25), and the boss (41) on described two ratchets (4) is contained in respectively in the recess (25), and the inboard of recess (25) is respectively arranged with an inclined-plane (26); During collar outside a sideway swivel (2), the boss (41) on the inclined-plane (26) of the recess of opposite side (25) ratchet of compressing (4) makes the ratchet (42) of this ratchet (4) and bar shaped tooth (12) break away from engagement; The inner ring of described annular sidewall (22) also is provided with three positioning ports (27); And be provided with blind hole (36) in the outside of pawl base (3); Be provided with spring (6) in the blind hole (36), spring (6) outer end is provided with hoodle (7), and hoodle (7) protrusion blind hole (36) is provided with; Hoodle (7) outer end is contained in one of them positioning port (27), and the location status of three positioning ports (27) is respectively ratchet device and is rotated counterclockwise state, locking-in state and the state that turns clockwise; And be provided with the rotating distance deep-slotted chip breaker (28) identical with the rotating distance of three positioning ports (27) at the bottom inner ring of annular sidewall (22), and the outer ring of described annular solid (31) is provided with positioning boss (37), and positioning boss (37) is arranged in the deep-slotted chip breaker (28).
2. the screw driver ratchet device of built-in ratchet according to claim 1; It is characterized in that: ratchet installing port (34) is provided with spring eye (35) in boss (41) one sides; One end of described stage clip (5) is provided with in the spring eye (35); The outside of described ratchet (4) is provided with concave surface (43), and ratchet (4) is slidingly arranged in the ratchet installing port (34) through concave surface (43), and the end of the other end of described stage clip (5) and concave surface (43) offsets.
3. the screw driver ratchet device of built-in ratchet according to claim 1; It is characterized in that: described central shaft hole (33) runs through annular solid (31) and connecting portion (32); The bottom protrusion connecting portion (32) of ratchet shaft (1); End at ratchet shaft (1) is provided with cannelure (13), is provided with expanding ring (9) in the cannelure (13), through expanding ring (9) ratchet shaft (1), outer collar (2) and pawl base (3) is linked into an integrated entity.
4. the screw driver ratchet device of built-in ratchet according to claim 1; It is characterized in that: the upper end of circular table (21) is provided with annular scrobicular ring (23); The bottom of described positioning convex ring (11) is arranged in the annular scrobicular ring (23), and between positioning convex ring (11) and annular scrobicular ring (23), is provided with metal washer (8).
5. the screw driver ratchet device of built-in ratchet according to claim 1; It is characterized in that: the top of ratchet shaft (1) is provided with driver bit installing hole (14); Be provided with magnet steel (10) in the installing hole (14), magnet steel (10) is fixing by the jump ring (20) that is arranged in the installing hole (14).
6. the screw driver ratchet device of built-in ratchet according to claim 1, it is characterized in that: the outer wall of annular sidewall (22) is provided with many anti-skidding raised lines (24).
7. Ratchet Screwdriver Handle, it is characterized in that: this screw driver handle constitutes by handle body with like any described screw driver ratchet device of claim of claim 1～6.
8. ratchet screwdriver, it is characterized in that: this ratchet screwdriver is made up of driver bit and Ratchet Screwdriver Handle as claimed in claim 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010107089 CN101767319B (en) | 2010-02-08 | 2010-02-08 | Screwdriver ratchet device with built-in ratchet and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010107089 CN101767319B (en) | 2010-02-08 | 2010-02-08 | Screwdriver ratchet device with built-in ratchet and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101767319A CN101767319A (en) | 2010-07-07 |
| CN101767319B true CN101767319B (en) | 2012-12-26 |
Family
ID=42500498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010107089 Active CN101767319B (en) | 2010-02-08 | 2010-02-08 | Screwdriver ratchet device with built-in ratchet and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101767319B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102785206B (en) * | 2012-08-21 | 2015-10-21 | 浙江三鼎工具有限公司 | A kind of screw driver ratchet device and use this ratchet device screwdriver |
| CN103722517A (en) * | 2014-01-13 | 2014-04-16 | 上海齐迈五金有限公司 | Ratchet gear and screw driver |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6206160B1 (en) * | 1999-12-20 | 2001-03-27 | Tsai-Ching Chen | Ratchet transmission control mechanism for a ratcheting tool |
| CN2504041Y (en) * | 2001-10-18 | 2002-08-07 | 首君企业股份有限公司 | Ratchet screwdriver |
| US6644147B1 (en) * | 2002-08-23 | 2003-11-11 | Chin-Tan Huang | Ratchet device for a screwdriver |
| CN2691792Y (en) * | 2004-03-11 | 2005-04-13 | 刘国珍 | Ratchet screw driver structure |
| CN201283551Y (en) * | 2008-10-27 | 2009-08-05 | 浙江三鼎工具有限公司 | Ratchet screwdriver and ratchet mechanism thereof |
| CN201604110U (en) * | 2010-02-08 | 2010-10-13 | 浙江三鼎工具有限公司 | Screwdriver ratchet device with ratchet wheel inside and application thereof |
-
2010
- 2010-02-08 CN CN 201010107089 patent/CN101767319B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6206160B1 (en) * | 1999-12-20 | 2001-03-27 | Tsai-Ching Chen | Ratchet transmission control mechanism for a ratcheting tool |
| CN2504041Y (en) * | 2001-10-18 | 2002-08-07 | 首君企业股份有限公司 | Ratchet screwdriver |
| US6644147B1 (en) * | 2002-08-23 | 2003-11-11 | Chin-Tan Huang | Ratchet device for a screwdriver |
| CN2691792Y (en) * | 2004-03-11 | 2005-04-13 | 刘国珍 | Ratchet screw driver structure |
| CN201283551Y (en) * | 2008-10-27 | 2009-08-05 | 浙江三鼎工具有限公司 | Ratchet screwdriver and ratchet mechanism thereof |
| CN201604110U (en) * | 2010-02-08 | 2010-10-13 | 浙江三鼎工具有限公司 | Screwdriver ratchet device with ratchet wheel inside and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101767319A (en) | 2010-07-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201283551Y (en) | Ratchet screwdriver and ratchet mechanism thereof | |
| CN102785206B (en) | A kind of screw driver ratchet device and use this ratchet device screwdriver | |
| CN101386160B (en) | Ratchet screw driver and ratchet device thereof | |
| CN201604110U (en) | Screwdriver ratchet device with ratchet wheel inside and application thereof | |
| CN101767319B (en) | Screwdriver ratchet device with built-in ratchet and application thereof | |
| CN103507007B (en) | Multiple running ratchet train | |
| CN202780966U (en) | Ratchet screwdriver handle | |
| CN201659524U (en) | Ratchet device of screwdriver, ratchet screwdriver and ratchet screwdriver handle | |
| CN101804614B (en) | Large-torque screw driver ratchet device | |
| CN203680184U (en) | Multiple-rotating ratchet wheel screwdriver handle | |
| CN101758475B (en) | Ratchet wheel device of screwdriver | |
| US9643299B2 (en) | Ratchet device and screwdriver | |
| CN208304886U (en) | A kind of better ratchet spanner of stability | |
| CN203680174U (en) | Multiple-rotating ratchet wheel screwdriver | |
| CN103522247A (en) | Multiple rotation ratchet wheel screwdriver handle | |
| CN203510065U (en) | Screwdriver handle with built-in tool bit | |
| CN203510062U (en) | Multifold rotator | |
| CN2801407Y (en) | Double-end sharp tail ratchet wrench | |
| CN201471328U (en) | Multi-functional pneumatic ratchet wrench | |
| CN103507018A (en) | Multi-rotation device | |
| CN101804613B (en) | Screwdriver ratchet gear convenient for assembly | |
| CN202572251U (en) | Multi-bit screwdriver | |
| CN201211649Y (en) | Double-ended pointed tail ratchet type wrench | |
| CN201659525U (en) | Screwdriver ratchet wheel device convenient to be assembled and screwdriver handle and screwdriver adopting same | |
| CN201659523U (en) | High-torque screw driver ratchet gear, ratchet screw driver and ratchet screw driver handle |
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 |