CN201483430U - Universal screwdriver joint - Google Patents
Universal screwdriver joint Download PDFInfo
- Publication number
- CN201483430U CN201483430U CN2009200482403U CN200920048240U CN201483430U CN 201483430 U CN201483430 U CN 201483430U CN 2009200482403 U CN2009200482403 U CN 2009200482403U CN 200920048240 U CN200920048240 U CN 200920048240U CN 201483430 U CN201483430 U CN 201483430U
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- Prior art keywords
- circular hole
- mandrel
- steel ball
- overcoat
- ball
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- Expired - Lifetime
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Abstract
The utility model discloses a universal screwdriver joint, which mainly comprises a core shaft and an outer casing, wherein one end of the core shaft is a use end, the use end is provided with a hexagonal hole used for being connected with a screwdriver head, the other end of the core shaft is movably connected with one end of the outer casing, the other end of the outer casing is connected with a connecting rod, the other end of the core shaft is in a ball-shaped structure, at least two ball-shaped small holes are arranged in the ball-shaped structure, one end of the outer casing is provided with a circular hole which can contain the ball-shaped structure of the core shaft, the ball-shaped structure of the core shaft is movably arranged in the circular hole of the outer casing, and a steel ball is movably arranged in the ball-shaped small hole on the ball-shaped structure of the core shaft so as to make the core shaft swing axially relative to the outer casing; and the outer surface of the outer casing is provided with at least a first circular hole for containing a first steel ball, and the first steel ball axially limits position and flexibly slides in the first circular hole. The screwdriver joint with the structure realizes transmission rotation with a certain angle corner, can switch to a drift angle transmission mode quickly, has simple structure, is operated conveniently, and is favorable for increasing the production efficiency.
Description
Technical field
The utility model relates to a kind of screwdriver bit structure, refers to a kind of universal screw driver joint of realizing that the certain angle rotary driving is rotated especially.
Background technology
People have designed screwdriver head miscellaneous at present, so that at different application scenarios, change different screwdriver heads, when being used for space angle comparatively narrow or of living in special the time, need a kind of universal joint with angle steering characteristic to be assisted, screwdriver head commonly used does not possess this function, and general universal joint complicated operation, function singleness is unfavorable for enhancing productivity.
Summary of the invention
In order to overcome above-mentioned defective, the utility model provides a kind of universal screw driver joint, and this screw driver joint can switch to the drift angle transmission mode fast, and simple in structure, easy to operate, helps enhancing productivity.
The utility model for the technical scheme that solves its technical problem and adopt is: a kind of universal screw driver joint, it mainly comprises mandrel and overcoat, one end of described mandrel is a use side, use side is provided with one for the hexagon ring that connects screwdriver head, the other end of mandrel flexibly connects an end of overcoat, and the other end of overcoat connects extension bar, and the other end of described mandrel is the spheroidal structure, be provided with at least two spherical apertures in the spheroidal structure, aperture is symmetrically distributed in spherical surface in twos with the centre of sphere; One end of described overcoat is provided with just can supply the ccontaining circular hole of mandrel spheroidal structure, the inner surface of circular hole is recessed to form small sircle hole, the quantity of small sircle hole is corresponding one by one with spherical aperture on the mandrel spherical structure, mandrel spheroidal structure is movably placed in the circular hole of overcoat, and be movably equipped with steel ball in the structural spherical aperture of mandrel spheroidal, steel ball places small sircle hole simultaneously, and steel ball can be free to slide in small sircle hole, makes mandrel overcoat axial wobble relatively with this; Be provided with an elastomer in the circular hole of mandrel, elastomer one end pushes against in mandrel spheroidal structure, and the other end pushes against the circular hole bottom in overcoat; The circular hole end movable sleeve of overcoat is provided with a lid, establishes one in the middle of the lid for the ccontaining lid hole of mandrel spheroidal structure, and the slightly larger in diameter in lid hole is beneficial to insertion in spheroidal structure external diameter, and described lid screw-threaded engagement is fixed in outer putting, and makes mandrel can not break away from overcoat; The outer surface of overcoat is provided with the first ccontaining circular hole of at least one confession first steel ball, and the first steel ball axial limiting Elastic Sliding is in first circular hole, and first steel ball can protrude from the first circular hole openend; The surface activity of mandrel is arranged with an axle sleeve, axle sleeve one end be provided with can ccontaining overcoat groove, and the inner surface of groove is provided with ring-type first groove of one and first steel ball coupling, when outside when being placed in the groove, first steel ball just can push against in first groove, realizes the location.
As further improvement of the utility model, the use side surface of described mandrel is provided with a ring-type second groove, is installed with a jump ring in second groove, and jump ring one side backstop is in axle sleeve, and axle sleeve is free to slide on mandrel, is blocked by jump ring to make it can not break away from mandrel.
As further improvement of the utility model, be provided with a magnet in the hexagon ring of described mandrel use side, be used to adsorb screwdriver head.
As further improvement of the utility model, the structure of the described first steel ball axial limiting Elastic Sliding in first circular hole is: the first circular hole aperture is greater than first diameter of the steel ball, the first circular hole openend riveted, make the openend aperture less than first diameter of the steel ball, be that described first steel ball is riveting in first circular hole, be provided with one first elastomer in first circular hole, first elastomer, one end pushes against in first circular hole bottom, the other end pushes against in first steel ball, such first steel ball slides along first circular hole in elastomeric elastic range, and can not break away from first circular hole.
As further improvement of the utility model, the described elastomer and first elastomer are stage clip.
As further improvement of the utility model, described mandrel spheroidal structure is provided with four spherical apertures and four corresponding steel balls.
The beneficial effects of the utility model are: the other end of described mandrel is the spheroidal structure, and mandrel spheroidal structure is movably placed in the circular hole of overcoat, and is movably equipped with steel ball in the structural spherical aperture of mandrel spheroidal, and steel ball places small sircle hole simultaneously; The circular hole end of overcoat is provided with a lid, and described lid and overcoat are that screw thread closely cooperates; The surface activity of mandrel is arranged with an axle sleeve, axle sleeve one end be provided with can ccontaining overcoat groove, and the inner surface of groove is provided with ring-type first groove of one and first steel ball coupling, the screw driver joint of this structure can be realized the rotation of certain angle rotary driving, can switch to the drift angle transmission mode fast, and simple in structure, easy to operate, help enhancing productivity.
Description of drawings:
Fig. 1 is the profile of the utility model corner user mode;
Fig. 2 is that the utility model is directly to the profile of user mode;
Fig. 3 is the profile of overcoat front view in the utility model;
Fig. 4 is the left view of overcoat in the utility model;
Fig. 5 is the stereogram of overcoat in the utility model;
Fig. 6 is the front view of mandrel in the utility model;
Fig. 7 is the right view of mandrel in the utility model;
Fig. 8 is the stereogram of mandrel in the utility model.
The specific embodiment
Embodiment: a kind of universal screw driver joint, it mainly comprises mandrel 1 and overcoat 2, one end of described mandrel is a use side, use side is provided with one for the hexagon ring 11 that connects screwdriver head, the other end of mandrel 1 flexibly connects an end of overcoat 2, and the other end of overcoat 2 connects extension bar, and the other end of described mandrel 1 is a spheroidal structure 3, be provided with at least two spherical apertures 31 in the spheroidal structure 3, aperture is symmetrically distributed in spherical surface in twos with the centre of sphere; One end of described overcoat 2 is provided with just can be for the ccontaining circular hole 21 of mandrel spheroidal structure 3, the inner surface of circular hole is recessed to form small sircle hole 22, the quantity of small sircle hole 22 is corresponding one by one with spherical aperture 31 on the mandrel spherical structure, mandrel spheroidal structure 3 is movably placed in the circular hole 21 of overcoat 2, and be movably equipped with steel ball 32 in the spherical aperture 31 on the mandrel spheroidal structure 3, steel ball 32 places small sircle hole 22 simultaneously, steel ball can be free to slide in small sircle hole, makes mandrel 1 overcoat 2 axial wobbles relatively with this; Be provided with an elastomer 4 in the circular hole 21 of mandrel, elastomer 4 one ends push against in mandrel spheroidal structure 3, and the other end pushes against the circular hole bottom in overcoat 2; The circular hole end movable sleeve of overcoat 2 is provided with a lid 5, establishes one in the middle of the lid for the ccontaining lid hole 51 of mandrel spheroidal structure, and the slightly larger in diameter in lid hole is beneficial to insertion in spheroidal structure external diameter, and described lid 5 screw-threaded engagement are fixed on the overcoat 2, make mandrel can not break away from overcoat; The outer surface of overcoat 2 is provided with ccontaining first circular hole, 23, the first steel balls, the 24 axial limiting Elastic Sliding of at least one confession first steel ball 24 in first circular hole 23, and first steel ball 24 can protrude from first circular hole, 23 openends; The surface activity of mandrel 1 is arranged with an axle sleeve 7, axle sleeve 7 one ends be provided with can ccontaining overcoat groove 71, and the inner surface of groove 71 is provided with ring-type first groove 72 of one and first steel ball coupling, when outside when being placed in the groove 71, first steel ball just can push against in first groove 72, realizes the location.
The use side surface of described mandrel 1 is provided with in a ring-type second groove 11, the second grooves 11 and is installed with a jump ring 12, and jump ring 12 1 side backstops are in axle sleeve, and axle sleeve is free to slide on mandrel, is blocked by jump ring to make it can not break away from mandrel.
Be provided with a magnet 8 in the hexagon ring of described mandrel 1 use side, be used to adsorb screwdriver head.
The structure of described first steel ball, 24 axial limiting Elastic Sliding in first circular hole 23 is: first circular hole, 23 apertures are greater than first steel ball, 24 diameters, first circular hole, 23 openend riveteds, make the openend aperture less than first steel ball, 24 diameters, be that described first steel ball 24 is riveting in first circular hole 23, be provided with one first elastomer 6 in first circular hole 23, first elastomer, 6 one ends push against in first circular hole bottom, the other end pushes against in first steel ball 24, such first steel ball 24 slides along first circular hole in elastomeric elastic range, and can not break away from first circular hole.
Described elastomer 4 and first elasticity, 6 bodies are stage clip.
Described mandrel spheroidal structure 3 is provided with four spherical apertures 31 and four corresponding steel balls 32.
The method of operating of this example is: promote axle sleeve and move to use side, when axle sleeve pushed against in jump ring, overcoat broke away from axle sleeve, and pin axle sleeve and adjust any direction of mandrel deflection in certain angle this moment, extension bar connects drive unit rotation back and drives the mandrel rotation, realizes the drift angle rotation; Outwards cover is mobile to promote axle sleeve, and when overcoat was placed in axle sleeve, this moment, first steel ball pushed against in first groove, axle sleeve location and overcoat, and mandrel and overcoat are direct rod shape, realize that common screw driver joint rotates.
Claims (6)
1. universal screw driver joint, it mainly comprises mandrel (1) and overcoat (2), one end of described mandrel is a use side, use side is provided with one for the hexagon ring (11) that connects screwdriver head, the other end of mandrel (1) flexibly connects an end of overcoat (2), the other end of overcoat (2) connects extension bar, and it is characterized in that: the other end of described mandrel (1) is spheroidal structure (3), is provided with at least two spherical apertures (31) in the spheroidal structure (3); One end of described overcoat (2) is provided with just can supply the ccontaining circular hole (21) of mandrel spheroidal structure (3), the inner surface of circular hole is recessed to form small sircle hole (22), the quantity of small sircle hole (22) is corresponding one by one with spherical aperture (31) on the mandrel spherical structure, mandrel spheroidal structure (3) is movably placed in the circular hole (21) of overcoat (2), and be movably equipped with steel ball (32) in the spherical aperture (31) on the mandrel spheroidal structure (3), steel ball (32) places small sircle hole (22) simultaneously, be provided with an elastomer (4) in the circular hole of mandrel (21), elastomer (4) one ends push against in mandrel spheroidal structure (3), and the other end pushes against the circular hole bottom in overcoat (2); The circular hole end movable sleeve of overcoat (2) is provided with a lid (5), establishes one in the middle of the lid for the ccontaining lid hole (51) of mandrel spheroidal structure, and described lid (5) screw-threaded engagement is fixed on the overcoat (2); The outer surface of overcoat (2) is provided with ccontaining first circular hole (23) of at least one confession first steel ball (24), and first steel ball (24) axial limiting Elastic Sliding is in first circular hole (23), and first steel ball (24) can protrude from first circular hole (23) openend; The surface activity of mandrel (1) is arranged with an axle sleeve (7), axle sleeve (7) one ends be provided with can ccontaining overcoat groove (71), and the inner surface of groove (71) is provided with ring-type first groove (72) of one and first steel ball coupling.
2. a kind of universal screw driver joint according to claim 1 is characterized in that: the use side surface of described mandrel (1) is provided with a ring-type second groove (11), is installed with a jump ring (12) in second groove (11), and jump ring (12) one side backstops are in axle sleeve.
3. a kind of universal screw driver joint according to claim 1 is characterized in that: be provided with a magnet (8) in the hexagon ring of described mandrel (1) use side.
4. a kind of universal screw driver joint according to claim 1, it is characterized in that: the structure of described first steel ball (24) axial limiting Elastic Sliding in first circular hole (23) is: first circular hole (23) aperture is greater than first steel ball (24) diameter, first circular hole (23) openend riveted, make the openend aperture less than first steel ball (24) diameter, be provided with one first elastomer (6) in first circular hole (23), first elastomer (6) one ends push against in first circular hole bottom, and the other end pushes against in first steel ball (24).
5. according to claim 1 or 4 described a kind of universal screw driver joints, it is characterized in that: described elastomer (4) and first elasticity (6) body are stage clip.
6. a kind of universal screw driver joint according to claim 1 is characterized in that: described mandrel spheroidal structure (3) is provided with four each and every one spherical apertures (31) and corresponding four steel balls (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200482403U CN201483430U (en) | 2009-09-01 | 2009-09-01 | Universal screwdriver joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200482403U CN201483430U (en) | 2009-09-01 | 2009-09-01 | Universal screwdriver joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201483430U true CN201483430U (en) | 2010-05-26 |
Family
ID=42422327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200482403U Expired - Lifetime CN201483430U (en) | 2009-09-01 | 2009-09-01 | Universal screwdriver joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201483430U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014079311A1 (en) * | 2012-11-23 | 2014-05-30 | 大行科技(深圳)有限公司 | Wrench tool and manufacturing method thereof |
| TWI473689B (en) * | 2012-11-09 | 2015-02-21 | ||
| TWI485046B (en) * | 2014-11-13 | 2015-05-21 | ||
| CN104669216A (en) * | 2013-11-27 | 2015-06-03 | 昆山义成工具有限公司 | Simple universal chuck |
| CN106881681A (en) * | 2017-03-24 | 2017-06-23 | 杨文杰 | Eccentric screw knife |
| TWI630987B (en) * | 2017-11-10 | 2018-08-01 | 鑫爵實業股份有限公司 | Sleeve tool |
-
2009
- 2009-09-01 CN CN2009200482403U patent/CN201483430U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI473689B (en) * | 2012-11-09 | 2015-02-21 | ||
| WO2014079311A1 (en) * | 2012-11-23 | 2014-05-30 | 大行科技(深圳)有限公司 | Wrench tool and manufacturing method thereof |
| US9676085B2 (en) | 2012-11-23 | 2017-06-13 | Dahon Technologies, Ltd. | Wrench tool and manufacturing method thereof |
| CN104669216A (en) * | 2013-11-27 | 2015-06-03 | 昆山义成工具有限公司 | Simple universal chuck |
| TWI485046B (en) * | 2014-11-13 | 2015-05-21 | ||
| CN106881681A (en) * | 2017-03-24 | 2017-06-23 | 杨文杰 | Eccentric screw knife |
| TWI630987B (en) * | 2017-11-10 | 2018-08-01 | 鑫爵實業股份有限公司 | Sleeve tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100526 |