CN101934509A - Screwdriver of spherical handle ratchet wheel - Google Patents
Screwdriver of spherical handle ratchet wheel Download PDFInfo
- Publication number
- CN101934509A CN101934509A CN 201010296766 CN201010296766A CN101934509A CN 101934509 A CN101934509 A CN 101934509A CN 201010296766 CN201010296766 CN 201010296766 CN 201010296766 A CN201010296766 A CN 201010296766A CN 101934509 A CN101934509 A CN 101934509A
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- screwdriver bit
- seat
- bit seat
- screwdriver
- handle
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Abstract
The invention discloses a ratchet wheel screwdriver of a spherical handle and relates to the technical field of screwdrivers. The technical problems to be solved are difficult force generation, easy screwdriver loss and inconvenient carrying when the traditional screwdriver is used. The screwdriver comprises a handle, a ratchet wheel seat, a ratchet wheel head, a front cover, a rear cover and a screwdriver seat, wherein the upper part of the handle is spherical and a screwdriver seat accommodating hole is reserved on the upper part of the handle; the screwdriver seat is rotationally arranged in the screwdriver seat accommodating hole and a plurality of screwdriver accommodating holes are reserved on the front end face thereof; the rear cover is rotationally arranged in a rear opening of the screwdriver seat accommodating hole and connected with the screwdriver seat by buckles on the periphery thereof; the front cover is covered on the front opening of the screwdriver seat accommodating hole and fixedly connected with the handle and a screwdriver inlet and outlet hole is reserved on the cover face thereof; the ratchet wheel seat is fixed at the lower end of the handle; the ratchet wheel head is rotationally arranged at the lower end of the handle; the upper end of the ratchet wheel head is meshed with the ratchet wheel seat; and an inner hexagonal concave hole is reserved at the lower end of the ratchet wheel head. The ratchet wheel screwdriver of the invention has the advantages of convenient carrying of the whole, easy force generation and difficult slipping.
Description
Technical field
The invention belongs to screwdriver manufacturing technology field, particularly relate to a kind of ball-type handle ratchet screw driver.
Background technology
Ratchet screw driver all is made up of handle, ratchet head and pawl seat, and wherein pawl seat is fixed on the lower end of handle, the upper end of ratchet head and pawl seat engagement, and the hexagon shrinkage pool inserted for screwdriver bit or extension rod in its lower end was provided with.Can reach the efficient that promotes the lock screw by the function of idle running when the user uses ratchet screw driver, not need constantly to do the action that loosens, tighten palm and operate, very easy to use.Also have some ratchet screw drivers can select the rotation direction of ratchet, can reach the effect that enlarges the scope of application and make things convenient for the user to operate, as the patent No. be US6047802 U.S. Patent Publication a kind of ratchet device of screwdriver, this device comprises pawl seat, outer collar, pawl base and two ratchets, pawl seat is set on the pawl base, the inner ring of pawl seat is provided with the ratchet with the ratchet engagement, be respectively equipped with groove on the pawl base side walls, two ratchets are installed in the groove, the ratchet bottom is provided with spring, the inner ring of outer collar is provided with arc-shaped notch, the outer end of two ratchets is contained in the arc-shaped notch, and arc-shaped notch has two oblique chimbs, outside a sideway swivel during collar, ratchet of an oblique chimb compressing makes itself and ratchet break away from engagement, makes pawl base to rotate towards a side.
But existing ratchet screw driver has following defective: 1) handle of existing ratchet screw driver all be a straight-bar, and it is relatively poor that it holds the sense comfort level, and user's palm is not tight with the instrument applying, is difficult for during use having an effect, and easy slippage; 2) screwdriver bit of existing ratchet screw driver all separates with screwdriver and leaves in the instrument cases, and instrument cases integral body that need volume is bigger during use is carried, and if instrument cases open the back and do not shut, the screwdriver bit in the box is easy to drop out loss.
Summary of the invention
At the defective that exists in the above-mentioned prior art, technical problem to be solved by this invention provides a kind of holding and feels comfortable, easily have an effect, be difficult for slippage during use, and screwdriver bit is difficult for losing use and ball-type handle ratchet screw driver very convenient to carry.
In order to solve the problems of the technologies described above, a kind of ball-type handle ratchet screw driver provided by the present invention comprises handle, pawl seat and metal ratchet head, it is characterized in that: also comprise a protecgulum, a bonnet, a cylindrical shape screwdriver bit seat;
The top of described handle is ball-type, and the bottom is column, and its ball-type top is provided with a circular screwdriver bit seat accommodation hole that connects from front to back, and the hole wall upper edge, rear end of this screwdriver bit seat accommodation hole is circumferentially with the screwdriver bit seat locating slot of a circle radial depressions;
Described screwdriver bit seat is rotatably installed in the screwdriver bit seat accommodation hole, and it is coaxial with screwdriver bit seat accommodation hole, the cylindrical axes of screwdriver bit seat is arranged with a plurality of screwdriver bit seat locating convex blocks, and a plurality of line of rabbet joint are parallel to the open buckle holding tank of screwdriver bit seat axis and rear end, each screwdriver bit seat locating convex block all stretches in the screwdriver bit seat locating slot on the hole wall of screwdriver bit seat accommodation hole rear end, the front end face axial symmetry of screwdriver bit seat is provided with a plurality of screwdriver bit accommodation holes in one week around its axle center, and the axle center of screwdriver bit seat is provided with a collection of headstock centre bore;
Described bonnet is rotatably installed on the open rearward end of screwdriver bit seat accommodation hole, its periphery is provided with a plurality of buckles that protrude forward, each buckle inserts respectively in each buckle holding tank of screwdriver bit seat pillar face, and the front end of each buckle is all towards the bending of the hole wall direction of screwdriver bit seat accommodation hole, and stretches in the screwdriver bit seat locating slot on the hole wall of screwdriver bit seat accommodation hole rear end;
Described protecgulum is covered on the front opening of screwdriver bit seat accommodation hole, and it is affixed with handle, its capping is provided with a screwdriver bit access hole, its center is provided with two elasticity convex tendons that protrude backward, spacing between the axle center of described screwdriver bit access hole and the screwdriver bit seat axis, and the axle center of each screwdriver bit accommodation hole is all identical with spacing between the screwdriver bit seat axis on the screwdriver bit seat, described two elasticity convex tendons stretch in the screwdriver bit seat centre bore, and there is a slice elasticity convex tendon to be provided with a screens lug that protrudes towards screwdriver bit seat centre bore hole wall direction, the line between this screens lug and the screwdriver bit access hole axle center and the axes intersect of screwdriver bit seat;
The inwall of described screwdriver bit seat centre bore is arranged with the screens pit of a plurality of radial depressions that are used to hold the screens lug on the elasticity convex tendon along circumferential axis, the quantity of described screens pit is consistent with the quantity of screwdriver bit accommodation hole, and the central point of each screens pit lays respectively on the central point and the line between the screwdriver bit seat axle center of each screwdriver bit accommodation hole;
Described pawl seat is fixed on the handle lower end, and is provided with ratchet in the circle, and described ratchet head is rotatably installed in the handle lower end, and its upper end is hinged with the ratchet that is meshed with interior ratchet on the pawl seat, and its lower end is provided with hexagon shrinkage pool in.
Further, described protecgulum is transparent.
Further, described bonnet is transparent.
Further, the outer capping of the outer capping of described protecgulum and bonnet is equipped with a plurality of anti-skidding pits.
Further, the length between the two ends is 2/3rds of its ball-type top external diameter about the column bottom of described handle.
Ball-type handle ratchet screw driver provided by the invention has following beneficial effect:
1) because the top of its handle is ball-type, makes user's palm and instrument fit very closely, easily have an effect, be difficult for slippage during use, also strengthened the comfort level of holding sense simultaneously;
2) because the screwdriver bit seat is installed in the screwdriver bit seat accommodation hole on handle top, therefore need not to join instrument cases in addition use and very convenient to carry for screwdriver bit;
3) because the screwdriver bit seat is passed through the elasticity location of elasticity convex tendon by the screens pit of screens lug on the elasticity convex tendon and screwdriver bit seat center bore inner wall, can not rotate without authorization, only there is a screwdriver bit accommodation hole to aim at the screwdriver bit access hole of protecgulum capping, and the screwdriver bit access hole of the position of other screwdriver bit accommodation hole and protecgulum capping staggers, and therefore can prevent that the screwdriver bit in other screwdriver bit accommodation hole from dropping out loss.
Description of drawings
Fig. 1 is the stereogram of the ball-type handle ratchet screw driver of the embodiment of the invention;
Fig. 2 is the front view of the ball-type handle ratchet screw driver of the embodiment of the invention;
Fig. 3 is that three-dimensional exploded view is looked on the screwdriver bit seat of ball-type handle ratchet screw driver of the embodiment of the invention and the right side of protecgulum;
Fig. 4 is that three-dimensional exploded view is looked on the screwdriver bit seat of ball-type handle ratchet screw driver of the embodiment of the invention and the left side of protecgulum;
Fig. 5 is that three-dimensional exploded view is looked on the screwdriver bit seat of ball-type handle ratchet screw driver of the embodiment of the invention and the right side of bonnet;
Fig. 6 be the screwdriver bit seat of ball-type handle ratchet screw driver of the embodiment of the invention and bonnet in conjunction with after right view.
The specific embodiment
Below in conjunction with description of drawings embodiments of the invention are described in further detail, but present embodiment is not limited to the present invention, every employing analog structure of the present invention and similar variation thereof all should be listed protection scope of the present invention in.
Shown in Fig. 1～6, a kind of ball-type handle ratchet screw driver that the embodiment of the invention provided comprises handle 1, pawl seat 2 and metal ratchet head 3, it is characterized in that: also comprise a protecgulum 4, a bonnet 5, a cylindrical shape screwdriver bit seat 6;
The top of described handle 1 is ball-type, and the bottom is column, and its ball-type top is provided with a circular screwdriver bit seat accommodation hole that connects from front to back, and the hole wall upper edge, rear end of this screwdriver bit seat accommodation hole is circumferentially with the screwdriver bit seat locating slot of a circle radial depressions;
Described screwdriver bit seat 6 is rotatably installed in the screwdriver bit seat accommodation hole, and it is coaxial with screwdriver bit seat accommodation hole, the cylindrical axes of screwdriver bit seat 6 is arranged with a plurality of screwdriver bit seat locating convex blocks 61, and a plurality of line of rabbet joint are parallel to the open buckle holding tank 62 of screwdriver bit seat axis and rear end, each screwdriver bit seat locating convex block 61 all stretches in the screwdriver bit seat locating slot on the hole wall of screwdriver bit seat accommodation hole rear end, the front end face axial symmetry of screwdriver bit seat 6 is provided with a plurality of screwdriver bit accommodation holes 63 in one week around its axle center, be used to hold the screwdriver bit of all size, the axle center of screwdriver bit seat 6 is provided with a collection of headstock centre bore;
Described bonnet 5 is rotatably installed on the open rearward end of screwdriver bit seat accommodation hole, its periphery is provided with a plurality of buckles 51 that protrude forward, each buckle inserts respectively in each buckle holding tank 62 of screwdriver bit seat 6 cylinders, and the front end of each buckle 51 is all towards the bending of the hole wall direction of screwdriver bit seat accommodation hole, and stretches in the screwdriver bit seat locating slot on the hole wall of screwdriver bit seat accommodation hole rear end;
Described protecgulum 4 is covered on the front opening of screwdriver bit seat accommodation hole, and it is affixed with handle 1, its capping is provided with a screwdriver bit access hole 41, its center is provided with two elasticity convex tendons 42 that protrude backward, spacing between the axis of the axle center of described screwdriver bit access hole 41 and screwdriver bit seat 6, and the spacing between the axis of axle center and the screwdriver bit seat 6 of each screwdriver bit accommodation hole 63 is all identical on the screwdriver bit seat 6, described two elasticity convex tendons 42 stretch in the screwdriver bit seat centre bore, and there is a slice elasticity convex tendon 42 to be provided with a screens lug 43 that protrudes towards screwdriver bit seat centre bore hole wall direction, the line between this screens lug 43 and screwdriver bit access hole 41 axle center and the axes intersect of screwdriver bit seat 6;
The inwall of described screwdriver bit seat centre bore is arranged with the screens pit 64 of a plurality of radial depressions that are used to hold the screens lug 43 on the elasticity convex tendon 42 along circumferential axis, the quantity of described screens pit 64 is consistent with the quantity of screwdriver bit accommodation hole 63, and the central point of each screens pit 64 lays respectively on the central point and the line between screwdriver bit seat 6 axle center of each screwdriver bit accommodation hole 63;
Described pawl seat 2 is fixed on handle 1 lower end, and be provided with ratchet in the circle, and described ratchet head 3 is rotatably installed in handle 1 lower end, and its upper end is hinged with the ratchet that is meshed with interior ratchet on the pawl seat 2, its lower end is provided with hexagon shrinkage pool 31 in, is used for inserting extension rod or screwdriver bit.
In the embodiment of the invention, described protecgulum 4 and bonnet 5 all are transparent, make the user can directly see the screwdriver bit in the screwdriver bit seat 6, make things convenient for it to select suitable screwdriver bit for use.
In the embodiment of the invention, the outer capping of described protecgulum 4 and the outer capping of bonnet 5 are equipped with a plurality of anti-skidding pits 7, are used to increase the frictional force between user's hand and the handle, produce slip when fitting with right lid with the palm of avoiding the user because of frictional force is too small; The column bottom of described handle 1 length between the two ends up and down is 2/3rds of its ball-type top external diameter, near the gold ratio, is easy to grasping.
In the embodiment of the invention, be hinged with two ratchets on the described ratchet head, be respectively left-hand rotation ratchet and right-hand rotation ratchet, on pawl seat, be arranged with collar outside the annular, by rotate outer collar can make in two ratchets one with pawl seat on interior ratchet engagement, when the interior ratchet engagement on left-hand rotation ratchet and the pawl seat, ratchet head can only turn left, when the interior ratchet engagement on right-hand rotation ratchet and the pawl seat, ratchet head can only turn right, and the technology of rotating by outer collar, left-hand rotation ratchet and right-hand rotation ratchet control ratchet head is a prior art;
In the embodiment of the invention, the outer peripheral face top edge of described outer collar is carved with the semi-circular pattern that an opening makes progress, a left arrow pattern is carved with in the left side of this semi-circular pattern, a right arrow pattern is carved with on its right side, a left side, right arrow pattern is formed direction sign, the outer surface lower limb of described handle is carved with a semi-circular pattern that Open Side Down, when the semi-circular pattern of handle lower limb with outside the semi-circular pattern of collar top edge on time, the embodiment of the invention is in original state, with outer collar turn right to the semi-circular pattern of handle lower limb with outside left arrow pattern on the collar when aiming at, interior ratchet engagement on left-hand rotation ratchet and the pawl seat, and the interior ratchet on right-hand rotation ratchet and the pawl seat breaks away from, with outer collar turn left to the semi-circular pattern of handle lower limb with outside right arrow pattern on the collar when aiming at, interior ratchet engagement on right-hand rotation ratchet and the pawl seat, and the interior ratchet on left-hand rotation ratchet and the pawl seat breaks away from.
When the embodiment of the invention is used, the user drives the rotation of screwdriver bit seat by rotating bonnet, screens lug on the protecgulum elasticity convex tendon is along with the rotation of screwdriver bit seat is deviate from from the screens pit of screwdriver bit seat center bore inner wall, rotation along with the screwdriver bit seat snaps in next screens pit again, so repeat, aim at the screwdriver bit access hole of protecgulum capping until the screwdriver bit accommodation hole at the screwdriver bit place that the user needs, take out the screwdriver bit in this screwdriver bit accommodation hole then, and can use in the interior hexagon shrinkage pool with this screwdriver bit insertion ratchet head lower end.
When the user does not rotate bonnet, the screwdriver bit seat is located by the elasticity of elasticity convex tendon by the screens pit of screens lug on the elasticity convex tendon and screwdriver bit seat center bore inner wall, can not rotate without authorization, only have a screwdriver bit accommodation hole to aim at the screwdriver bit access hole of protecgulum capping this moment, and the screwdriver bit access hole of the position of other screwdriver bit accommodation hole and protecgulum capping staggers, so the screwdriver bit in other screwdriver bit accommodation hole can not drop out.
The embodiment of the invention is because the buckle on the bonnet and the screwdriver bit seat locating convex block of screwdriver bit seat pillar face all stretch in the screwdriver bit seat locating slot on the screwdriver bit seat accommodation hole hole wall, even if therefore protecgulum damages and lost, the screwdriver bit seat can not drop out screwdriver bit seat accommodation hole easily yet.
Claims (5)
1. a ball-type handle ratchet screw driver comprises handle, pawl seat and metal ratchet head, it is characterized in that: also comprise a protecgulum, a bonnet, a cylindrical shape screwdriver bit seat;
The top of described handle is ball-type, and the bottom is column, and its ball-type top is provided with a circular screwdriver bit seat accommodation hole that connects from front to back, and the hole wall upper edge, rear end of this screwdriver bit seat accommodation hole is circumferentially with the screwdriver bit seat locating slot of a circle radial depressions;
Described screwdriver bit seat is rotatably installed in the screwdriver bit seat accommodation hole, and it is coaxial with screwdriver bit seat accommodation hole, the cylindrical axes of screwdriver bit seat is arranged with a plurality of screwdriver bit seat locating convex blocks, and a plurality of line of rabbet joint are parallel to the open buckle holding tank of screwdriver bit seat axis and rear end, each screwdriver bit seat locating convex block all stretches in the screwdriver bit seat locating slot on the hole wall of screwdriver bit seat accommodation hole rear end, the front end face axial symmetry of screwdriver bit seat is provided with a plurality of screwdriver bit accommodation holes in one week around its axle center, and the axle center of screwdriver bit seat is provided with a collection of headstock centre bore;
Described bonnet is rotatably installed on the open rearward end of screwdriver bit seat accommodation hole, its periphery is provided with a plurality of buckles that protrude forward, each buckle inserts respectively in each buckle holding tank of screwdriver bit seat pillar face, and the front end of each buckle is all towards the bending of the hole wall direction of screwdriver bit seat accommodation hole, and stretches in the screwdriver bit seat locating slot on the hole wall of screwdriver bit seat accommodation hole rear end;
Described protecgulum is covered on the front opening of screwdriver bit seat accommodation hole, and it is affixed with handle, its capping is provided with a screwdriver bit access hole, its center is provided with two elasticity convex tendons that protrude backward, spacing between the axle center of described screwdriver bit access hole and the screwdriver bit seat axis, and the axle center of each screwdriver bit accommodation hole is all identical with spacing between the screwdriver bit seat axis on the screwdriver bit seat, described two elasticity convex tendons stretch in the screwdriver bit seat centre bore, and there is a slice elasticity convex tendon to be provided with a screens lug that protrudes towards screwdriver bit seat centre bore hole wall direction, the line between this screens lug and the screwdriver bit access hole axle center and the axes intersect of screwdriver bit seat;
The inwall of described screwdriver bit seat centre bore is arranged with the screens pit of a plurality of radial depressions that are used to hold the screens lug on the elasticity convex tendon along circumferential axis, the quantity of described screens pit is consistent with the quantity of screwdriver bit accommodation hole, and the central point of each screens pit lays respectively on the central point and the line between the screwdriver bit seat axle center of each screwdriver bit accommodation hole;
Described pawl seat is fixed on the handle lower end, and is provided with ratchet in the circle, and described ratchet head is rotatably installed in the handle lower end, and its upper end is hinged with the ratchet that is meshed with interior ratchet on the pawl seat, and its lower end is provided with hexagon shrinkage pool in.
2. ball-type handle ratchet screw driver according to claim 1, it is characterized in that: described protecgulum is transparent.
3. ball-type handle ratchet screw driver according to claim 1, it is characterized in that: described bonnet is transparent.
4. ball-type handle ratchet screw driver according to claim 1 is characterized in that: the outer capping of described protecgulum and the outer capping of bonnet are equipped with a plurality of anti-skidding pits.
5. ball-type handle ratchet screw driver according to claim 1 is characterized in that: the column bottom of the described handle length between the two ends up and down is 2/3rds of its ball-type top external diameter.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102967660A CN101934509B (en) | 2010-09-29 | 2010-09-29 | Screwdriver of spherical handle ratchet wheel |
| US29/387,836 USD673023S1 (en) | 2010-09-29 | 2011-03-18 | Hand tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102967660A CN101934509B (en) | 2010-09-29 | 2010-09-29 | Screwdriver of spherical handle ratchet wheel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101934509A true CN101934509A (en) | 2011-01-05 |
| CN101934509B CN101934509B (en) | 2012-06-27 |
Family
ID=43388206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102967660A Expired - Fee Related CN101934509B (en) | 2010-09-29 | 2010-09-29 | Screwdriver of spherical handle ratchet wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101934509B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5916341A (en) * | 1998-04-30 | 1999-06-29 | Lin; Pi-Lien | Combination screwdriver tool |
| CN2803635Y (en) * | 2005-01-19 | 2006-08-09 | 刘国珍 | Head holding structure of screwdriver |
| US7121173B2 (en) * | 2004-06-16 | 2006-10-17 | Nieh Chuang Industrial Co., Ltd. | Tool handle self-contained a set of head tips |
| US20090139381A1 (en) * | 2007-11-29 | 2009-06-04 | Hui-Ni Lin | Screwdriver handle |
| US20090211406A1 (en) * | 2008-02-21 | 2009-08-27 | Shin-Chi Ho | Ratchet Screwdriver That Stores Tips Of Different Sizes |
| CN201931411U (en) * | 2010-09-29 | 2011-08-17 | 上海美瑞实业有限公司 | Ratchet screwdriver with ball-shaped handle |
-
2010
- 2010-09-29 CN CN2010102967660A patent/CN101934509B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5916341A (en) * | 1998-04-30 | 1999-06-29 | Lin; Pi-Lien | Combination screwdriver tool |
| US7121173B2 (en) * | 2004-06-16 | 2006-10-17 | Nieh Chuang Industrial Co., Ltd. | Tool handle self-contained a set of head tips |
| CN2803635Y (en) * | 2005-01-19 | 2006-08-09 | 刘国珍 | Head holding structure of screwdriver |
| US20090139381A1 (en) * | 2007-11-29 | 2009-06-04 | Hui-Ni Lin | Screwdriver handle |
| US20090211406A1 (en) * | 2008-02-21 | 2009-08-27 | Shin-Chi Ho | Ratchet Screwdriver That Stores Tips Of Different Sizes |
| CN201931411U (en) * | 2010-09-29 | 2011-08-17 | 上海美瑞实业有限公司 | Ratchet screwdriver with ball-shaped handle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101934509B (en) | 2012-06-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Xu Huaan Inventor after: Yang Danian Inventor after: Christopher Brent Inventor before: Zhang Yujun |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: ZHANG YUJUN TO: XU HUAAN YANG DANIAN BLUNT CHRISTOPHER |
|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120627 Termination date: 20140929 |
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| EXPY | Termination of patent right or utility model |