CN201792296U - Combined screwdriver with tool bit capable of being replaced by one hand - Google Patents
Combined screwdriver with tool bit capable of being replaced by one hand Download PDFInfo
- Publication number
- CN201792296U CN201792296U CN2010202797383U CN201020279738U CN201792296U CN 201792296 U CN201792296 U CN 201792296U CN 2010202797383 U CN2010202797383 U CN 2010202797383U CN 201020279738 U CN201020279738 U CN 201020279738U CN 201792296 U CN201792296 U CN 201792296U
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- China
- Prior art keywords
- cutter head
- knife
- tool
- handle
- bar
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- Expired - Fee Related
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Abstract
A combined screwdriver with a tool bit capable of being replaced by one hand is designed to solve the technical problem that the tool bit of a conventional combined screwdriver working at heights or in special environments is not convenient for being replaced by two hands due to environmental restriction. The combined screwdriver mainly comprises a tool shank and the tool bit, wherein a spring is arranged in the inner chamber of an insertion hole of the tool bit, and slideways are symmetrically formed on two sides of the inner chamber; the tool bit consists of two tool bits at two ends of a tool bar and connected with the tool shank through support bars; one end of each support bar is respectively inserted into the slideways on two sides, and other ends are rotationally connected with a snap ring fixed in the middle of the tool bar; and a button arranged on the tool shank is matched with a corresponding bayonet A or bayonet B on the tool bar in a clamping manner through a pressure spring and a shifting head on a shifting block, and is in ejection control connection with the tool bit through the spring. The combined screwdriver provided by the utility model has the characteristics and benefits of small size, portability, simplicity in operation, high efficiency, convenience and practicability; and the purpose that the two tool bits can be cushily interchanged by one hand is achieved, thereby particularly suiting aloftwork or the use under special restricted environments.
Description
Technical field:
The utility model relates to a kind of hand-held tool, relate in particular to a kind of can the singlehanded combined screwdriver of changing cutter head, be very suitable for when particular surroundings operations such as high-altitude, using.
Background technology:
At present existing combined screwdriver is a kind of novel screwdriver that driver bit and handle can be separated, and when dissimilar driver bits is installed, only need to change a cutter head and just can.This screwdriver volume is little, the saving space.But its weak point is all will cooperate just and can finish by the both hands worker when removing and installing in order to change cutter head, and this can't realize under some particular surroundings and condition.Such as when the work of work high above the ground or particular surroundings,, often can not with the hands change the cutter head of screwdriver, so existing combined screwdriver can be made troubles to the user in use owing to be subjected to the restriction of environment of living in.
Summary of the invention:
The utility model for solve existing combined screwdriver when work high above the ground or the particular surroundings work owing to be subjected to the restriction of environment of living in, be unsuitable for both hands and change the cutter head of screwdriver, to technical problems such as the user makes troubles provide a kind of can the singlehanded combined screwdriver of changing cutter head, this screwdriver mainly comprises handle of a knife, cutter head two parts, be provided with and the corresponding jack of knife bar outer shape near cutter head one end center at described handle of a knife, in the inner chamber of cutter head jack, be equipped with spring, be arranged with slideway in inner chamber both sides and handle of a knife axially parallel; Described cutter head partly is made up of promptly the double-pole head that places the knife bar two ends: cutter head A and cutter head B, and be connected with handle of a knife by the support bar that places the handle of a knife both sides; One end of described support bar is plugged on respectively in the slideway of both sides, and is provided with spacing in the termination; The other end is rotatably connected with the snap ring that is fixed on the knife bar middle part; The button that is arranged on the handle of a knife cooperates by corresponding bayonet socket A or bayonet socket B clamping on the shifting block on stage clip and the shifting block and the knife bar, and by spring form and cutter head launch control connection.
Characteristics of the present utility model and beneficial effect: this screwdriver has mainly increased and has launched function, and advantage is to be improved to semi-automatic operation by pure manual operation.Be in particular in:
1, in the course of the work, the user only needs one-handed performance just can easily finish the exchange of two kinds of cutter heads, reduced the difficulty of changing cutter head, use when being particularly suitable under work high above the ground or the special environment that is restricted, working, save the operating time owing to simple to operate simultaneously, improved operating efficiency.
2, compare the user with the normal screws cutter and only need carry a screwdriver, can finish the function of two kinds of screwdrivers, volume is urinated in carrying.
3, cost of manufacture is low, and is convenient to operation, and safety durable is practical.
4, compare with existing combined screwdriver,, avoid the cutter head At time of eject to separate, so effectively avoided cutter head easily to lose phenomenon because of breaking away from handle of a knife with handle of a knife because cutter head is connected on the handle by support.
Description of drawings
Fig. 1 is a structural representation of the present utility model
Fig. 2 is the A-A cutaway view of Fig. 1
The specific embodiment:
Referring to Fig. 1-Fig. 2, can the singlehanded combined screwdriver of changing cutter head, this screwdriver mainly comprises handle of a knife, cutter head two parts, be provided with and the corresponding jack of knife bar 7 outer shape near cutter head one end center at described handle of a knife 1, in the inner chamber of cutter head jack, be equipped with spring 12, be arranged with slideway 3 in inner chamber both sides and handle of a knife axially parallel; Described cutter head partly is made up of the double-pole head that places knife bar 7 two ends, that is: cutter head A8 and cutter head B11; Be connected with handle of a knife 1 by the support bar 4 that places handle of a knife 1 both sides; One end of described support bar 4 is plugged on respectively in the slideway 3 of both sides, and is provided with spacing in the termination; The other end is rotatably connected with the snap ring 6 that is fixed on knife bar 7 middle parts; The button 2 that is arranged on the handle of a knife 1 cooperates by corresponding bayonet socket A9 or bayonet socket B10 clamping on the shifting block on stage clip and the shifting block 5 and the knife bar, and by spring 12 form and cutter head launch control connection.
The double-pole head at described knife bar 7 two ends is made of a word and cross cutter head respectively.
The double-pole head at described knife bar 7 two ends is made of a word cutter head of different size respectively.
The double-pole head at described knife bar 7 two ends is made of the cross cutter head of different size respectively.
The double-pole head at described knife bar 7 two ends flexibly connects with knife bar 7 respectively.
Embodiment
The utility model adopts at the knife bar two ends and is respectively equipped with a word commonly used and cross double end cutter head, realizes that by the cutter head ejection mechanism two ends cutter head exchanges, and is improved to semi-automatic operation by pure manual operation.The cutter head ejection mechanism is set up ejection-spring 12 and the realization of the control button on handle of a knife by adopting in the cutter head hexagonal jack in handle of a knife 1.Pressing the button 2 by one hand during use withdraws from shifting block on the shifting block 5 corresponding bayonet socket A9 or bayonet socket B10 from the knife bar 7, ejection-spring 12 is outwards upspring, cutter head is ejected from jack, place the support bar 4 in the handle of a knife 1 both sides slideway 3 also to skid off respective distance simultaneously thereupon, purpose is to cooperate freely ejecting of cutter head, and keeps being connected not separating with handle of a knife 1 by the spacing cutter head that makes of support bar 4.
This moment, cutter head was in free rotation state, can one hand easily with after the cutter head upset, turn back on the shifting block that makes in the hexagonal jack on the handle of a knife on the shifting block 5 and the knife bar 7 corresponding bayonet socket A9 or bayonet socket B10 clamping again and locate.The effect of hence one can see that button 2 be with cutter head solid be fixed in the handle of a knife and the control ejection mechanism so that cutter head is ejected or inserts fixing.Spring is to be placed in the Centromedian hexagonal jack of handle of a knife, and effect is when button is pressed, and smoothly cutter head is ejected.
When carrying out operation, cutter head can be according to circumstances selected, the double-pole head that constitutes by a word and cross cutter head respectively can be adopted;
Or the double-pole head that adopts respectively the word cutter head by different size to constitute;
Or the double-pole head that adopts respectively the cross cutter head by different size to constitute;
Above-mentioned double-pole head can adopt the structure that is fixed as one with middle knife bar, the mode that the double-pole head that also can adopt two ends flexibly connects with knife bar respectively.
When using the utility model, only need one-handed performance just can easily finish the work of changing cutter head.Be the first step, the button on the handle of a knife pressed that this moment, cutter head ejected.Second step is with cutter head upset and cutter head is inserted the work of just having finished whole replacing cutter heads in the hexagonal jack of handle of a knife smoothly.Use when being fit to very much under work high above the ground or the particular surroundings one-handed performance.
Claims (5)
1. can the singlehanded combined screwdriver of changing cutter head, this screwdriver mainly comprises handle of a knife, cutter head two parts, be provided with and the corresponding jack of knife bar (7) outer shape near cutter head one end center at described handle of a knife (1), it is characterized in that: in the inner chamber of cutter head jack, be equipped with spring (12), be arranged with slideway (3) in inner chamber both sides and handle of a knife axially parallel; Described cutter head partly is made up of promptly the double-pole head that places knife bar (7) two ends: cutter head A (8) and cutter head B (11), and be connected with handle of a knife (1) by the support bar (4) that places handle of a knife (1) both sides; One end of described support bar (4) is plugged on respectively in the slideway (3) of both sides, and is provided with spacing in the termination; The other end is rotatably connected with the snap ring (6) that is fixed on knife bar (7) middle part; The button (2) that is arranged on the handle of a knife (1) cooperates by and the last corresponding bayonet socket A (9) of knife bar (7) or bayonet socket B (10) clamping of the shifting block on stage clip and the shifting block (5), and by the launch control connection of spring (12) formation with cutter head.
2. according to claim 1 can the singlehanded combined screwdriver of changing cutter head, it is characterized in that: the double-pole head at described knife bar (7) two ends is made of a word and cross cutter head respectively.
3. according to claim 1 can the singlehanded combined screwdriver of changing cutter head, it is characterized in that: the double-pole head at described knife bar (7) two ends is made of a word cutter head of different size respectively.
4. according to claim 1 can the singlehanded combined screwdriver of changing cutter head, it is characterized in that: the double-pole head at described knife bar (7) two ends is made of the cross cutter head of different size respectively.
According to described in the claim 1-4 any one can the singlehanded combined screwdriver of changing cutter head, it is characterized in that: the double-pole head at described knife bar (7) two ends flexibly connects with knife bar (7) respectively.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010202797383U CN201792296U (en) | 2010-08-03 | 2010-08-03 | Combined screwdriver with tool bit capable of being replaced by one hand |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010202797383U CN201792296U (en) | 2010-08-03 | 2010-08-03 | Combined screwdriver with tool bit capable of being replaced by one hand |
Publications (1)
Publication Number | Publication Date |
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CN201792296U true CN201792296U (en) | 2011-04-13 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN2010202797383U Expired - Fee Related CN201792296U (en) | 2010-08-03 | 2010-08-03 | Combined screwdriver with tool bit capable of being replaced by one hand |
Country Status (1)
Country | Link |
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CN (1) | CN201792296U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107283348A (en) * | 2017-08-03 | 2017-10-24 | 合肥祥国电子商务有限公司 | A kind of portable upset absorption type screwdriver of office |
-
2010
- 2010-08-03 CN CN2010202797383U patent/CN201792296U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107283348A (en) * | 2017-08-03 | 2017-10-24 | 合肥祥国电子商务有限公司 | A kind of portable upset absorption type screwdriver of office |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110413 Termination date: 20120803 |