CN202572251U - Multi-bit screwdriver - Google Patents
Multi-bit screwdriver Download PDFInfo
- Publication number
- CN202572251U CN202572251U CN 201220128268 CN201220128268U CN202572251U CN 202572251 U CN202572251 U CN 202572251U CN 201220128268 CN201220128268 CN 201220128268 CN 201220128268 U CN201220128268 U CN 201220128268U CN 202572251 U CN202572251 U CN 202572251U
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- gear
- screwdriver
- tool head
- rotating tool
- handle
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- Expired - Fee Related
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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The utility model relates to a tool, particularly relates to a screwdriver, and provides a multi-bit screwdriver which is a detachable, replaceable and multifunctional. The technical scheme includes that the multi-bit screwdriver comprises a screwdriver handle, screwdriver bits and a gear device, and the gear device comprises a casing, a main driving gear, a pair of front and rear annular gears, a driven gear set, a spring mounting pin, a pair of front and rear cluster gears and a reversing button, wherein the driven gear set comprises a large gear and a small gear. Fitting of one screwdriver handle with the multiple screwdriver bits is realized, so that corresponding screwdriver bits can be replaced by means of the screwdriver handle according to different use conditions and environments, spare and accessory parts carried by tools are reduced, and applicability and convenience in use of tools can be improved.
Description
Technical field
The utility model relates to a kind of instrument, particularly a kind of screwdriver.
Background technology
Screwdriver has another name called screwdriver, is a kind ofly to be used for twisting screw to force its instrument in place, and a thin sphenocephaly is arranged usually, can insert in the line of rabbet joint or recess of screw cap--formal name used at school " screwdriver ".Mainly contain two kinds of a word (negative sign) and crosses (positive sign).Common hex(agonal)screw cutter in addition, hexagonal and outer-hexagonal are two kinds in comprising.During use, the top pit of screw is aimed in the termination that screwdriver is had a specialization shape, and is fixing, begins rotary handle then.According to specification standards, it is tight that clockwise direction rotates to be embedding; Counterclockwise rotation is then for easing out.
Screwdriver can be divided into the normal screws cutter according to method for using and structure, combined screwdriver, and electric screw driver, clock and watch bottle opener and little Buddha's warrior attendant screwdriver from its planform, have following several kinds usually:
1, straight shape.This is modal a kind of.The head model has a word, cross, and the rice word, T type (blossom type), H type (hexagonal), etc.
2, L shaped.Be more common in the hex(agonal)screw cutter, utilize its long bar to increase moment, thus more laborsaving.
3, T shape.The Automobile Service sector application is more.
Wherein the classification of driver bit is various especially; Common driver bit can be divided into a word, cross, rice word, star-like (computer), square toes, turret head, Y type head or the like; Wherein a word and cross are the most frequently used during we live; All to use as this type of installation, maintenance, will use screwdriver as long as we can say the place of screw.It is few that turret head is used, and inner hexagon spanner commonly used all is with inner hexagonal hole as a lot of screws on some machines, makes things convenient for multi-angle to exert all one's strength.Star-like big see also few, the little star-like mobile phone that is usually used in overhauling, hard disk, notebook, etc., we criticize little screwdriver in clock and watch, star-like T6 commonly used, T8, cross PH0, this type of PH00.
So a kind of bull screwdriver is provided; Particularly can select different driver bits as the case may be for use; And need not to change simultaneously screw driver handle, thereby provide one removably, multiduty bull screwdriver becomes the focus of present screwdriver production field research.
Summary of the invention
The goal of the invention of the utility model is to a kind of detachable, replaceable, multipurpose, bull screwdriver are provided.In order to realize the foregoing invention purpose, the utility model discloses following technical scheme:
A kind of bull screwdriver includes:
-screw driver handle supplies the firmly parts of operation of staff;
-driver bit, said driver bit comprise driver bit top that is used to install and use and the mounting portion, bottom that is used for being connected with screw driver handle;
-geared system is arranged at handle front end position, realizes the positive and negative rotation of rotating tool head; Said rotating tool head is the connecting portion of driver bit, and the one of which end is connected with geared system, and the other end is connected with driver bit;
It is characterized in that:
Said geared system includes:
-device case, said device case is used to hold the jockey parts;
-main driven wheel is fixed on handle end, by the operation driven rotary of handle;
-paired front and back ring gear, concentric shafts setting relatively, relative anchor ring is distributed with gear, and preceding back-geared inner ring is an internal gear;
-from drive gear set; Comprise gear wheel and pinion; Above following the reaching of ring gear, gear wheel from drive gear set and main driven wheel are connected with a joggle before and after being arranged at respectively, and the pinion from drive gear set is thought engagement respectively at the side ring tooth of front and back ring gear;
-spring mount pin, said spring mount pin is fixed in the rear end of rotating tool head, and the front and rear of said spring mount pin is offered porose respectively;
-paired front and back cluster gear, said cluster gear is installed in respectively in the utensil receiving opening at position, rotating tool head back segment front and back, and said cluster gear contacts with the internal gear of front and back ring gear through steel ball;
-switching-over button, said switching-over button is fixed on the rotating tool head, the choice direction of control rotating tool head.
As improving further, be formed with screw thread on the outer wall of said driver bit mounting portion; The top inner wall forming of said rotating tool head has the thread groove corresponding with screw thread.
Through adopting technical scheme disclosed in the utility model; Realized cooperating of a screw driver handle and a plurality of driver bits; Thereby can utilize a screw driver handle according to different user modes and environment; Change corresponding driver bit, the minimizing instrument carries spare and accessory parts, adaptability and convenience that the raising instrument uses.
Description of drawings
Fig. 1 is a screwdriver sketch map disclosed in the utility model.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment, further illustrate the utility model, should understand the following specific embodiment only be used to the utility model is described and be not used in the restriction the utility model scope.Need to prove; Describe below the word " preceding " that uses, " back ", " left side ", " right side ", " on " and D score refer to the direction among the width of cloth figure, word " interior " and " outward " refer to respectively towards or away from the direction of specific features geometric center.
Embodiment 1
As shown in Figure 1, a kind of bull screwdriver includes:
-screw driver handle 15 mainly supplies firmly operation of staff; In the present embodiment, adopt the handle 15 of rubber material, can play the effect of sliding when preventing to operate.
-driver bit (not shown), said driver bit comprise driver bit top that is used to install and use and the mounting portion, bottom that is used for being connected with screw driver handle; Driver bit can be the cross cutter head; Also can be a word cutter head, also can make the hexagon cutter head simultaneously, can in practical application, select different driver bits according to different operating positions; Utilize mounting portion and handle 15 to be installed together, form the screwdriver of accomplishing.
-geared system 19 is arranged at handle 15 front end positions, realizes the positive and negative rotation of rotating tool head 1; Said rotating tool head 1 is the connecting portion of driver bit, and the one of which end is connected with geared system 19, and the other end is connected with driver bit;
Said geared system 19 includes:
-device case, said device case is used to hold the jockey parts; Comprise drive end bearing bracket 4 in the present embodiment, rear end cap 14, following 17 of the gear seat of honour 11 and gear;
-main driven wheel 13 is fixed on handle 15 ends, by the operation driven rotary of handle 15;
-paired front and back ring gear, ring gear 6 and back ring gear 21 before comprising, relative concentric shafts setting; Relative anchor ring is distributed with gear; Formed two anchor rings, be respectively back anchor ring 6.1 and preceding anchor ring 21.1, and preceding back-geared inner ring has been an internal gear; The internal gear 6.2 of ring gear 6 before being respectively in the present embodiment, and the internal gear 21.2 of back ring gear 21;
-from drive gear set 16; Comprise gear wheel 16.1 and pinion 16.2; Be arranged at respectively above following the reaching of front and back ring gear 6 and 21; Gear wheel 16.1 from drive gear set 16 is connected with a joggle with main driven wheel 13, and the pinion 16.2 from drive gear set 16 is thought engagement respectively at the side ring tooth of front and back ring gear 6 and 21;
-spring mount pin 10, said spring mount pin 10 is fixed in the rear end of rotating tool head 1, and the front and rear of said spring mount pin 10 is offered porose respectively;
-paired front and back cluster gear; Comprise front gear piece 5 and backgear piece 23 in the present embodiment; Said cluster gear 5 and 23 is installed in respectively in the utensil receiving opening 22 at position before and after rotating tool head 1 back segment, and said cluster gear 5 contacts with 21 internal gear 6.2 and 21.2 through steel ball 7 and front and back ring gear 6 with 23;
-switching-over button 18, said switching-over button 18 is fixed on the rotating tool head 1, the choice direction of control rotating tool head 1.
As improving further, be formed with screw thread on the outer wall of said driver bit mounting portion; The top inner wall forming of said rotating tool head has the thread groove corresponding with screw thread 0.
Through adopting technical scheme disclosed in the utility model; Realized cooperating of a screw driver handle and a plurality of driver bits; Thereby can utilize a screw driver handle according to different user modes and environment; Change corresponding driver bit, the minimizing instrument carries spare and accessory parts, adaptability and convenience that the raising instrument uses.
The disclosed technological means of the present invention program is not limited only to the disclosed technological means of above-mentioned technological means, also comprises the technical scheme of being made up of above technical characterictic combination in any.
Claims (2)
1. bull screwdriver includes:
-screw driver handle supplies the firmly parts of operation of staff;
-driver bit, said driver bit comprise driver bit top that is used to install and use and the mounting portion, bottom that is used for being connected with screw driver handle;
-geared system is arranged at handle front end position, realizes the positive and negative rotation of rotating tool head; Said rotating tool head is the connecting portion of driver bit, and the one of which end is connected with geared system, and the other end is connected with driver bit;
It is characterized in that:
Said geared system includes:
-device case, said device case is used to hold the jockey parts;
-main driven wheel is fixed on handle end, by the operation driven rotary of handle;
-paired front and back ring gear, concentric shafts setting relatively, relative anchor ring is distributed with gear, and preceding back-geared inner ring is an internal gear;
-from drive gear set; Comprise gear wheel and pinion; Above following the reaching of ring gear, gear wheel from drive gear set and main driven wheel are connected with a joggle before and after being arranged at respectively, and the pinion from drive gear set is thought engagement respectively at the side ring tooth of front and back ring gear;
-spring mount pin, said spring mount pin is fixed in the rear end of rotating tool head, and the front and rear of said spring mount pin is offered porose respectively;
-paired front and back cluster gear, said cluster gear is installed in respectively in the utensil receiving opening at position, rotating tool head back segment front and back, and said cluster gear contacts with the internal gear of front and back ring gear through steel ball;
-switching-over button, said switching-over button is fixed on the rotating tool head, the choice direction of control rotating tool head.
2. bull screwdriver as claimed in claim 1 is characterized in that: be formed with screw thread on the outer wall of said driver bit mounting portion; The top inner wall forming of said rotating tool head has the thread groove corresponding with screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220128268 CN202572251U (en) | 2012-03-30 | 2012-03-30 | Multi-bit screwdriver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220128268 CN202572251U (en) | 2012-03-30 | 2012-03-30 | Multi-bit screwdriver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202572251U true CN202572251U (en) | 2012-12-05 |
Family
ID=47241702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220128268 Expired - Fee Related CN202572251U (en) | 2012-03-30 | 2012-03-30 | Multi-bit screwdriver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202572251U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106877012A (en) * | 2017-01-25 | 2017-06-20 | 广东通宇通讯股份有限公司 | The parallel fastener of connector |
| CN107529481A (en) * | 2017-11-16 | 2018-01-02 | 白皓 | A kind of screwdriver that can change cutter head size |
-
2012
- 2012-03-30 CN CN 201220128268 patent/CN202572251U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106877012A (en) * | 2017-01-25 | 2017-06-20 | 广东通宇通讯股份有限公司 | The parallel fastener of connector |
| CN107529481A (en) * | 2017-11-16 | 2018-01-02 | 白皓 | A kind of screwdriver that can change cutter head size |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20121205 Termination date: 20160330 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |