CN202780966U - Ratchet screwdriver handle - Google Patents
Ratchet screwdriver handle Download PDFInfo
- Publication number
- CN202780966U CN202780966U CN201220416611.0U CN201220416611U CN202780966U CN 202780966 U CN202780966 U CN 202780966U CN 201220416611 U CN201220416611 U CN 201220416611U CN 202780966 U CN202780966 U CN 202780966U
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- ratchet
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- pawl
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Abstract
The utility model relates to the structure of a ratchet screwdriver, in particular to a ratchet screwdriver handle. The ratchet screwdriver handle comprises a handle body and a ratchet device; and the ratchet device comprises a pawl seat, a ratchet shaft, an outer collar and two pawls. The ratchet device is locked when in a normal state; when the outer collar is rotated clockwise, a trigger bulge pushes the pawl on a left side to move to the outer side along a first oblique surface, so that ratchet teeth on the pawl on the left side are separated from and meshed with strip-shaped teeth, and the ratchet device is in a counterclockwise rotating state; and when the outer collar is rotated counterclockwise, the trigger bulge pushes the pawl on a right side to move to the outer side along the first oblique surface, so that the ratchet teeth on the pawl on the right side are separated from and meshed with the strip-shaped teeth, and the ratchet device is in a clockwise rotating state. The structure of the ratchet device is simplified, the production cost is reduced, and the ratchet screwdriver handle has the characteristic of long service life.
Description
Technical field
The utility model relates to a kind of structure of ratchet screwdriver, relates in particular to a kind of Ratchet Screwdriver Handle.
Background technology
Existing screwdriver is at the handle front end and sets firmly a metal-made mobile jib, and the mobile jib free end is provided with the pulling part of cross or a word shape, grips handle with palm in use, and continues rotation, drives pulling part by 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 operates, and uses very inconvenient.
In order to solve above-mentioned technical problem, ratchet screwdriver has appearred, such as 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 complicated structure, production cost is higher.
(application number: 201010107089.3 applyings date: 2010-02-08) disclose screw driver ratchet device and the application thereof of built-in ratchet, the screw driver ratchet device of built-in ratchet comprises pawl base, ratchet shaft, outer collar and two ratchets to Chinese invention patent; The both sides of the annular solid central shaft hole of pawl base are respectively equipped with the ratchet installing port, and ratchet is separately positioned in the ratchet installing port; Ratchet shaft links into an integrated entity ratchet shaft, outer collar and pawl base; Ratchet is the arch bridge type, is provided with boss and ratchet on the ratchet, is provided with the bar shaped tooth on the ratchet shaft, is respectively arranged with in the ratchet installing port to make ratchet and bar shaped tooth keep the stage clip of engagement; The inner ring of the annular sidewall of outer collar is provided with two recesses, is provided with an inclined-plane on the recess, and during collar, the boss on ratchet of inclined-plane compressing makes the ratchet of this ratchet break away from the bar shaped tooth and meshes outside a sideway swivel.The structure of ratchet device has been simplified in this invention, has reduced production cost, has the characteristics of long service life.
Summary of the invention
Comparatively complicated in order to solve above-mentioned ratchet mechanism structure, the technological deficiency that production cost is high, a purpose of the present utility model provides a kind of Ratchet Screwdriver Handle, and it has characteristics simple in structure, long service life.
In order to realize above-mentioned purpose, the utility model has adopted following technical scheme:
A kind of Ratchet Screwdriver Handle, this screw driver handle is made of handle body and ratchet device, described ratchet device has the state of being rotated counterclockwise, locking-in state and the state that turns clockwise, ratchet device comprises pawl base, ratchet shaft, outer collar and two ratchets, described pawl base axially be provided with the first central shaft hole, the front end of pawl base is annular solid, the rear end is for being used for the connecting portion of connecting screw cutter handle body, described outer collar is made of annular bottom surface and annular outer ring, annular outer ring is set in the outer ring of annular solid, annular bottom surface is provided with the second central shaft hole, described ratchet shaft passes the second central shaft hole and the first central shaft hole links into an integrated entity pawl base and outer collar, the outer end of ratchet shaft is provided with connector, and ratchet shaft circumferentially is provided with the bar shaped tooth on the axis body of annular solid position; Annular solid is respectively equipped with the ratchet installing port in the first central shaft hole both sides on one side, the both sides of the first central shaft hole another side are respectively equipped with stirs mouth, stirring mouth for two communicates with the ratchet installing port respectively, the degree of depth of stirring mouth is less than described ratchet installing port, the sidewall of ratchet installing port is the first inclined-plane, the first inclined-plane is outward-dipping from the bottom to top, is provided with spacing preiection above the first inclined-plane, is provided with interface channel between described two ratchet installing ports; Described two ratchets are separately positioned in the ratchet installing port, the bottom of ratchet is arcwall face, be provided with the ratchet that is meshed with the bar shaped tooth at arcwall face, the top of ratchet is provided with the second inclined-plane that matches with the first inclined-plane, is provided with the breach for ratchet activity in the ratchet installing port between the top of ratchet and the ratchet installing port; Be provided with stage clip in the described interface channel, the two ends of stage clip are connected with described two ratchets respectively and guarantee that the ratchet on two ratchets is meshed with described bar shaped tooth; The both sides of described annular bottom surface inboard are respectively equipped with stirs projection, and the described projection of stirring is separately positioned on described stirring in the mouth; Described ratchet device normally is in locking-in state, when clockwise turn wild card circle, the described projection promotion left side ratchet of stirring moves laterally along the first inclined-plane, make ratchet and described bar shaped tooth on the ratchet of left side break away from engagement, ratchet device is in the state of being rotated counterclockwise, outside counterclockwise turn during collar, the described projection promotion rightward pawl of stirring is moved laterally along the first inclined-plane, make ratchet and described bar shaped tooth on the rightward pawl break away from engagement, ratchet device is in the state of turning clockwise.
As further improvement, the inner ring of described annular outer ring is provided with three positioning ports, and be provided with blind hole in the outer ring of pawl base annular solid, be provided with spring in the blind hole, the spring outer end is provided with hoodle, hoodle protrudes the blind hole setting, and the hoodle outer end is contained in one of them positioning port, and the location status of three positioning ports is respectively ratchet device and is rotated counterclockwise state, locking-in state and the state that turns clockwise.
As further improvement, the end face of described annular solid is provided with the annular stop chute, and the inboard of annular bottom surface is provided with the slide block projection, and the slide block projection is contained in the annular stop chute.
As further improvement, described interface channel is provided with axial blend stop near the position of the first central shaft hole, and described stage clip is arranged on the blend stop outside.
As further improvement, the outside of described annular bottom surface is provided with annular mouth, the outer end of ratchet shaft is provided with bulge loop, bulge loop is arranged on the annular mouth, ratchet shaft and outer collar are spacing by bulge loop, the inner end of ratchet shaft is provided with cannelure, is provided with slotted collar in the cannelure, and the connecting portion of ratchet shaft and pawl base is spacing by slotted collar.
As further improvement, the outside of described annular bottom surface is provided with annular mouth, the outer end of ratchet shaft is provided with bulge loop, bulge loop is arranged on the annular mouth, ratchet shaft and outer collar are spacing by bulge loop, the inner end of ratchet shaft is provided with internal thread hole, and internal thread hole is provided with stop screw, and the connecting portion of ratchet shaft and pawl base is spacing by stop screw.
As further improvement, be provided with magnet steel in the described connector.
The utility model is owing to adopted above-mentioned technical scheme, the bar shaped tooth is arranged on the ratchet shaft, ratchet is arranged on the pawl base, the engagement of remaining valid by the effect of stage clip, by 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 blast structural representation of the present utility model.
Fig. 2 is the structural representation between pawl base, ratchet shaft and the outer collar.
Fig. 3 is the structural representation of pawl base.
Fig. 4 is the A-A cutaway view of Fig. 3.
Fig. 5 is the structural representation of outer collar.
Fig. 6 is the B-B cutaway view of Fig. 5.
Fig. 7 is the structural representation of ratchet shaft.
Fig. 8 is the C-C cutaway view of Fig. 7.
Fig. 9 is the structural representation of ratchet.
Figure 10 is the structural representation of connecting rod.
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is made a detailed explanation.
A kind of Ratchet Screwdriver Handle shown in Fig. 1, Fig. 2, this screw driver handle is made of handle body and ratchet device, and described ratchet device comprises pawl base 1, ratchet shaft 2, outer collar 3 and two ratchets 4.Pawl base 1 axially be provided with the first central shaft hole 10, the front end of pawl base 1 is annular solid 11, the rear end is for being used for the connecting portion 12 of connecting screw cutter handle body.Described outer collar 3 is made of annular bottom surface 31 and annular outer ring 32, and annular outer ring 32 is set in the outer ring of annular solid 11, and annular bottom surface 31 is provided with the second central shaft hole 30.Shown in Fig. 7, Fig. 8, be provided with connector 24 in the middle of the outer end of ratchet shaft 2, be provided with magnet steel 25 in the connector 24, and ratchet shaft 2 circumferentially is provided with bar shaped tooth 21 on the axis body of annular solid 11 positions, and described ratchet shaft 2 integral body pass the second central shaft hole 30 and the first central shaft hole 10 links into an integrated entity pawl base 1 and outer collar 3.The utility model is fixed to screw driver handle body composition screw driver handle by the connecting portion 12 of pawl base 1 rear end.
Such as Fig. 3, shown in Fig. 4, annular solid 11 is respectively equipped with ratchet installing port 13 in the first central shaft hole 10 both sides on one side, the both sides of the first central shaft hole 10 another sides are respectively equipped with stirs mouth 14, stirring mouth 14 for two communicates with ratchet installing port 13 respectively, the degree of depth of stirring mouth 14 is less than described ratchet installing port 13, and be the first inclined-plane 18 at the sidewall of ratchet installing port 13, the first inclined-plane 18 is outward-dipping from the bottom to top, above the first inclined-plane 18, be provided with spacing preiection 20, be provided with interface channel 17 between described two ratchet installing ports 13, interface channel 17 is provided with axial blend stop 19 near the position of the first central shaft hole 10.
Shown in Fig. 2, two ratchets 4 are separately positioned in the ratchet installing port 13.Shown in Fig. 9, the bottom of ratchet 4 is arcwall face, be provided with the ratchet 42 that is meshed with bar shaped tooth 21 at arcwall face, the top of ratchet 4 is provided with the second inclined-plane 41 that matches with the first inclined-plane 18, is provided with between the top of ratchet 4 and the ratchet installing port 13 for the breach 43 of ratchet 4 in the 13 interior activities of ratchet installing port.And in described interface channel 17, be provided with stage clip 5, and stage clip 5 is arranged on the outside of described blend stop 19, and the two ends of stage clip 5 are connected with described two ratchets 4 respectively and guarantee that the ratchet 42 on two ratchets 4 is meshed with described bar shaped tooth 21.
Shown in Fig. 5, Fig. 6, the both sides of annular bottom surface 31 inboards are respectively equipped with stirs projection 33, and the described projection 33 of stirring is separately positioned on described stirring in the mouth 14.Simultaneously, also be provided with slide block projection 34 in the inboard of annular bottom surface 31, slide block projection 34 is contained in the annular stop chute 15.
Shown in Fig. 7, Fig. 8, the outer end of ratchet shaft 2 is circumferentially with bulge loop 22, and be provided with annular mouth 36 in the outside of described annular bottom surface 31, bulge loop 22 is arranged on the annular mouth 36, ratchet shaft 2 is spacing by bulge loop 22 with outer collar 3, the inner end of ratchet shaft 2 is provided with cannelure 23, is provided with slotted collar 6 in the cannelure 23, and ratchet shaft 2 is spacing by slotted collar 6 with the connecting portion 12 of pawl base 1.
Ratchet device of the present utility model has the state of being rotated counterclockwise, locking-in state and the state that turns clockwise, the inner ring of described annular outer ring 32 is provided with three positioning ports 35, and be provided with blind hole 16 in the outer ring of pawl base 1 annular solid 11, be provided with spring 8 in the blind hole 16, spring 8 outer ends are provided with hoodle 7, hoodle 7 protrudes blind hole 16 and arranges, the location status that hoodle 7 outer ends are contained in 35, three positioning ports 35 of one of them positioning port is respectively ratchet device and is rotated counterclockwise state, locking-in state and the state that turns clockwise.Ratchet device normally is in locking-in state, and when clockwise turn wild card circle 3, the described projection 33 of stirring promotes ratchet 4 edges, left side
The first inclined-plane 18 moves laterally, make the ratchet 42 on the ratchet 4 of left side break away from engagement with described bar shaped tooth 21, ratchet device is in the state of being rotated counterclockwise, outside counterclockwise turn during collar 3, the described projection 33 promotion rightward pawl 4 of stirring are moved laterally along the first inclined-plane 18, make the ratchet 42 on the rightward pawl 4 break away from engagement with described bar shaped tooth 21, ratchet device is in the state of turning clockwise.
Form screwdriver in time, can increase a connecting rod 9.Shown in Figure 10, an end of connecting rod 9 is provided with turret head 91, and turret head 91 is plugged on the connector 24, is provided with cutter head installing port 92 in connecting rod 9 another ends, be provided with magnet steel 93 in the cutter head installing port 92, the middle part of connecting rod 9 is provided with anti-skid design 94.
Claims (7)
1. Ratchet Screwdriver Handle, this screw driver handle is made of handle body and ratchet device, described ratchet device has the state of being rotated counterclockwise, locking-in state and the state that turns clockwise, ratchet device comprises pawl base (1), ratchet shaft (2), outer collar (3) and two ratchets (4), described pawl base (1) axially be provided with the first central shaft hole (10), the front end of pawl base (1) is annular solid (11), the rear end is for being used for the connecting portion (12) of connecting screw cutter handle body, described outer collar (3) is made of annular bottom surface (31) and annular outer ring (32), annular outer ring (32) is set in the outer ring of annular solid (11), annular bottom surface (31) is provided with the second central shaft hole (30), described ratchet shaft (2) passes the second central shaft hole (30) and the first central shaft hole (10) links into an integrated entity pawl base (1) and outer collar (3), the outer end of ratchet shaft (2) is provided with connector (24), and ratchet shaft (2) circumferentially is provided with bar shaped tooth (21) on the axis body of annular solid (11) position; It is characterized in that: annular solid (11) is respectively equipped with ratchet installing port (13) in the first central shaft hole (10) both sides on one side, the both sides of the first central shaft hole (10) another side are respectively equipped with stirs mouthful (14), stirring mouthful (14) for two communicates with ratchet installing port (13) respectively, the degree of depth of stirring mouthful (14) is less than described ratchet installing port (13), the sidewall of ratchet installing port (13) is the first inclined-plane (18), the first inclined-plane (18) is outward-dipping from the bottom to top, be provided with spacing preiection (20) in the top of the first inclined-plane (18), be provided with interface channel (17) between described two ratchet installing ports (13); Described two ratchets (4) are separately positioned in the ratchet installing port (13), the bottom of ratchet (4) is arcwall face, be provided with the ratchet (42) that is meshed with bar shaped tooth (21) at arcwall face, the top of ratchet (4) is provided with the second inclined-plane (41) that matches with the first inclined-plane (18), is provided with the breach (43) for ratchet (4) activity in ratchet installing port (13) between the top of ratchet (4) and the ratchet installing port (13); Be provided with stage clip (5) in the described interface channel (17), the two ends of stage clip (5) are connected with described two ratchets (4) respectively and guarantee that the ratchet (42) on two ratchets (4) is meshed with described bar shaped tooth (21); The inboard both sides of described annular bottom surface (31) are respectively equipped with stirs projection (33), and the described projection (33) of stirring is separately positioned on described stirring in mouthful (14); Described ratchet device normally is in locking-in state, when clockwise turn wild card circle (3), described projection (33) the promotion left side ratchet (4) of stirring moves laterally along the first inclined-plane (18), make the ratchet (42) on the left side ratchet (4) break away from engagement with described bar shaped tooth (21), ratchet device is in the state of being rotated counterclockwise, outside counterclockwise turn during collar (3), described projection (33) the promotion rightward pawl (4) of stirring is moved laterally along the first inclined-plane (18), make the ratchet (42) on the rightward pawl (4) break away from engagement with described bar shaped tooth (21), ratchet device is in the state of turning clockwise.
2. a kind of Ratchet Screwdriver Handle according to claim 1, it is characterized in that: the inner ring of annular outer ring (32) is provided with three positioning ports (35), and be provided with blind hole (16) in the outer ring of pawl base (1) annular solid (11), be provided with spring (8) in the blind hole (16), spring (8) outer end is provided with hoodle (7), hoodle (7) protrudes blind hole (16) setting, hoodle (7) outer end is contained in one of them positioning port (35), and the location status of three positioning ports (35) is respectively ratchet device and is rotated counterclockwise state, locking-in state and the state that turns clockwise.
3. a kind of Ratchet Screwdriver Handle according to claim 1, it is characterized in that: the end face of annular solid (11) is provided with annular stop chute (15), the inboard of annular bottom surface (31) is provided with slide block projection (34), and slide block projection (34) is contained in the annular stop chute (15).
4. a kind of Ratchet Screwdriver Handle according to claim 1 is characterized in that: interface channel (17) is provided with axial blend stop (19) near the position of the first central shaft hole (10), and described stage clip (5) is arranged on blend stop (19) outside.
5. a kind of Ratchet Screwdriver Handle according to claim 1, it is characterized in that: the outside of annular bottom surface (31) is provided with annular mouth (36), the outer end of ratchet shaft (2) is circumferentially with bulge loop (22), bulge loop (22) is arranged on the annular mouth (36), ratchet shaft (2) is spacing by bulge loop (22) with outer collar (3), the inner end of ratchet shaft (2) is provided with cannelure (23), be provided with slotted collar (6) in the cannelure (23), ratchet shaft (2) is spacing by slotted collar (6) with the connecting portion (12) of pawl base (1).
6. a kind of Ratchet Screwdriver Handle according to claim 1, it is characterized in that: the outside of annular bottom surface (31) is provided with annular mouth (36), the outer end of ratchet shaft (2) is provided with bulge loop (22), bulge loop (22) is arranged on the annular mouth (36), ratchet shaft (2) is spacing by bulge loop (22) with outer collar (3), the inner end of ratchet shaft (2) is provided with internal thread hole, internal thread hole is provided with stop screw, and ratchet shaft (2) is spacing by stop screw with the connecting portion (12) of pawl base (1).
7. a kind of Ratchet Screwdriver Handle according to claim 1 is characterized in that: be provided with magnet steel (25) in the connector (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220416611.0U CN202780966U (en) | 2012-08-21 | 2012-08-21 | Ratchet screwdriver handle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220416611.0U CN202780966U (en) | 2012-08-21 | 2012-08-21 | Ratchet screwdriver handle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202780966U true CN202780966U (en) | 2013-03-13 |
Family
ID=47808300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220416611.0U Expired - Lifetime CN202780966U (en) | 2012-08-21 | 2012-08-21 | Ratchet screwdriver handle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202780966U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015039267A1 (en) * | 2013-09-18 | 2015-03-26 | 慈溪市诚佳五金工具有限公司 | Ratchet screwdriver |
| CN108938074A (en) * | 2018-07-11 | 2018-12-07 | 上海锐植医疗器械有限公司 | A kind of ratchet handle |
| CN113001455A (en) * | 2021-03-02 | 2021-06-22 | 南京羔瀑倡商贸有限公司 | Energy-saving device capable of automatically loosening hands by rotating screwdriver |
| CN116873761A (en) * | 2023-08-09 | 2023-10-13 | 洛阳大洋高性能材料有限公司 | Hoisting device for grinding and processing electric smelting beta alumina bricks |
-
2012
- 2012-08-21 CN CN201220416611.0U patent/CN202780966U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015039267A1 (en) * | 2013-09-18 | 2015-03-26 | 慈溪市诚佳五金工具有限公司 | Ratchet screwdriver |
| CN108938074A (en) * | 2018-07-11 | 2018-12-07 | 上海锐植医疗器械有限公司 | A kind of ratchet handle |
| CN108938074B (en) * | 2018-07-11 | 2021-03-02 | 上海锐植医疗器械有限公司 | Ratchet wheel handle |
| CN113001455A (en) * | 2021-03-02 | 2021-06-22 | 南京羔瀑倡商贸有限公司 | Energy-saving device capable of automatically loosening hands by rotating screwdriver |
| CN116873761A (en) * | 2023-08-09 | 2023-10-13 | 洛阳大洋高性能材料有限公司 | Hoisting device for grinding and processing electric smelting beta alumina bricks |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130313 |
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| CX01 | Expiry of patent term |