CN207710663U - A kind of screwdriver bit switching mechanism of electric screwdriver - Google Patents
A kind of screwdriver bit switching mechanism of electric screwdriver Download PDFInfo
- Publication number
- CN207710663U CN207710663U CN201721877681.5U CN201721877681U CN207710663U CN 207710663 U CN207710663 U CN 207710663U CN 201721877681 U CN201721877681 U CN 201721877681U CN 207710663 U CN207710663 U CN 207710663U
- Authority
- CN
- China
- Prior art keywords
- screwdriver
- shell
- head
- retainer
- output shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
A kind of screwdriver bit switching mechanism of electric screwdriver of the utility model, sliding ring is set in the outside of retainer, spring is arranged by clamp spring on the head of retainer, shell is fastened on the head of sliding ring, connecting shaft is penetrated from the mesoporous of retainer and is stretched in shell, adapter output shaft is penetrated from the mounting hole of shell and is stretched in shell, driving gear and driven gear are respectively positioned on the inside of shell and between the two engaged transmission, driving gear is mounted on the head of connecting shaft, and driven gear is mounted on the tail portion of adapter output shaft；Connecting shaft drives driving gear to rotate under the driving effect of screwdriver output shaft first and then driving gear drives driven gear to rotate, last driven gear drives the rotation of adapter output shaft.The structure of the screwdriver bit switching mechanism is simple, can easily be assembled on screwdriver head, screwdriver bit conversion effect is good, safe to use.
Description
Technical field
The utility model is related to the technical field of screwdriver, the screwdriver bit switching mechanism of especially a kind of electric screwdriver.
Background technology
Electric screwdriver uses and construction operation process in family at present as a kind of tool for twisting screw of convenience and high-efficiency
In have been more and more widely used, it be by power supply drive power plant rotation, to drive the screwdriver bit on head capsule to rotate,
Carry out screwing or loosening for screw.
However, in actual mechanical process, because of the limitation of operating space, many times electric screwdriver can not be stretched
Enter into operating space, this is just needed by screwdriver bit switching mechanism.But the structure of existing screwdriver bit switching mechanism in the market is multiple
Miscellaneous, the difficulty for being assembled to screwdriver head is big, and screwdriver bit conversion effect is poor, and there are prodigious security risks.
Invention content
The technical problems to be solved in the utility model：In order to overcome the deficiencies in the prior art, provide a kind of electronic
The screwdriver bit switching mechanism of screwdriver, it is simple in structure, it can easily be assembled on screwdriver head, screwdriver bit conversion effect is good,
It is safe to use.
The utility model solves technical solution used by its technical problem：A kind of screwdriver bit interpreter of electric screwdriver
Structure, have shell, sliding ring, spring, clamp spring, driving gear, driven gear and the retainer to match with screwdriver head, with
The connecting shaft of screwdriver output shaft magnetic absorption and for being packed into the adapter output shaft of screwdriver bit；
The sliding ring is set in the outside of retainer, and the spring is arranged by clamp spring in the head of retainer, the shell
It is fastened on the head of sliding ring, the connecting shaft is penetrated from the mesoporous of retainer and stretched in shell, the adapter output shaft
It penetrates and is stretched in shell from the mounting hole of shell, the driving gear and driven gear are respectively positioned on inside and the two of shell
Between engaged transmission, driving gear be mounted on connecting shaft head, driven gear be mounted on adapter output shaft tail portion；
Connecting shaft drives driving gear rotation and then driving gear to drive under the driving effect of screwdriver output shaft first
Driven gear rotation, last driven gear drive the rotation of adapter output shaft.
Further specifically, in above-mentioned technical proposal, be uniformly provided on the inner wall of the retainer on screwdriver head
Several convex ribs of several groove match, when retainer is mounted on screwdriver head, if the matching of several convex ribs is embedded in
In dry groove.
Further specifically, in above-mentioned technical proposal, be arranged on the side wall of the retainer on screwdriver head
Corresponding two steel balls of two groove locations, when retainer is mounted on screwdriver head, two steel balls correspondence block two it is recessed
Slot.
Further specifically, in above-mentioned technical proposal, being internally provided with for the adapter output shaft is inhaled for magnetism
The magnetic pole of attached screwdriver bit.
Further specifically, in above-mentioned technical proposal, the axis of the central axes and screwdriver output shaft of the connecting shaft
Line is located on the same line, and the central axes vertical distribution of the central axes of connecting shaft and adapter output shaft.
Further specifically, in above-mentioned technical proposal, the shell is mainly made of left valve shell and right valve shell, and left valve
Shell is mutually fixed with right valve shell by several screws.
The beneficial effects of the utility model：The screwdriver bit switching mechanism is simple in structure, can easily be assembled to screwdriver machine
On head, screwdriver bit conversion effect is good, safe to use, and specific advantage is as follows：
One, push sliding ring to bottom manually, so that it may entire screwdriver bit switching mechanism is easily assembled to screwdriver machine
On head, has very strong hand manipulations power without operator, small people is equally applicable for strength；
Two, the convex ribs matching on retainer is embedded into the groove on screwdriver head, to realize entire screwdriver bit switching mechanism
It is radially fixed；Steel ball on retainer blocks the groove on screwdriver head, to realize entire screwdriver bit switching mechanism not from screwdriver
It is split away off on head；The axially position of screwdriver bit may be implemented in magnetic pole inside adapter output shaft.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments described in application, for those of ordinary skill in the art, without creative efforts,
Other drawings may also be obtained based on these drawings.
Fig. 1 is the external structure schematic diagram of the utility model；
Fig. 2 is the internal structure schematic diagram of the utility model；
Fig. 3 is the sectional view of the utility model；
Fig. 4 is the structural schematic diagram of retainer；
Fig. 5 is the use state diagram of the utility model.
In figure marked as：A, screwdriver head；A-1, groove；B, screwdriver output shaft；C, screwdriver bit；1, shell；2, sliding
Moving-coil；3, spring；4, clamp spring；5, driving gear；6, driven gear；7, retainer；7-1, convex ribs；8, connecting shaft；9, adapter is defeated
Shaft；10, steel ball；11, magnetic pole.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
See Fig. 1~5, a kind of screwdriver bit switching mechanism of electric screwdriver of the utility model, have shell 1, sliding ring 2,
Spring 3, clamp spring 4, driving gear 5, driven gear 6 and the retainer 7 to match with screwdriver head a and screwdriver output shaft b
The connecting shaft 8 of magnetic absorption and for being packed into the adapter output shaft 9 of screwdriver bit c.Shell 1 is mainly by left valve shell and right valve shell group
At, and left valve shell is mutually fixed with right valve shell by several screws.
Sliding ring 2 is set in the outside of retainer 7, and spring 3 is arranged by clamp spring 4 on the head of retainer 7, and shell 1 is fastened on
The head of sliding ring 2, connecting shaft 8 are penetrated from the mesoporous of retainer 7 and are stretched in shell 1, and adapter output shaft 9 is from shell 1
Mounting hole is penetrated and is stretched in shell 1, and driving gear 5 and driven gear 6 are respectively positioned on the inside of shell 1 and engage between the two
Transmission, driving gear 5 are mounted on the head of connecting shaft 8, and driven gear 6 is mounted on the tail portion of adapter output shaft 9.It connects first
Axis 8 drives the rotation of driving gear 5 and then driving gear 5 to drive 6 turns of driven gear under the driving effect of screwdriver output shaft b
Dynamic, last driven gear 6 drives adapter output shaft 9 to rotate.The central axes of the central axes and screwdriver output shaft b of connecting shaft 8
It is located on the same line, and the central axes vertical distribution of the central axes of connecting shaft 8 and adapter output shaft 9.It pushes and slides manually
Moving-coil 2 is to bottom, so that it may easily entire screwdriver bit switching mechanism to be assembled on screwdriver head a, have without operator
Very strong hand manipulations power, for strength, small people is equally applicable.
Several convex ribs 7- to match with several grooves a-1 on screwdriver head a are uniformly provided on the inner wall of retainer 7
1, when retainer 7 is mounted on screwdriver head a, several convex ribs 7-1 matchings are embedded in several grooves a-1.The side of retainer 7
Two steel balls 10 corresponding with upper two positions groove a-1 screwdriver head a are arranged on wall, when retainer 7 is mounted on spiral shell
On silk batch head a, two correspondences of steel ball 10 block two groove a-1.Being internally provided with for adapter output shaft 9 is inhaled for magnetism
The magnetic pole 11 of attached screwdriver bit c.Convex ribs 7-1 matchings on retainer 7 are embedded into the groove a-1 on screwdriver head a, to realize entire batch
Head switching mechanism it is radially fixed；Steel ball 10 on retainer 7 blocks the groove a-1 on screwdriver head a, to realize entire screwdriver bit
Switching mechanism is not split away off from screwdriver head；The axial direction of screwdriver bit c may be implemented in magnetic pole 11 inside adapter output shaft 9
Positioning.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
Be confined to this, any one skilled in the art within the technical scope disclosed by the utility model, according to this practicality
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of screwdriver bit switching mechanism of electric screwdriver, it is characterised in that：With shell (1), sliding ring (2), spring (3),
It is clamp spring (4), driving gear (5), driven gear (6) and the retainer (7) to match with screwdriver head (a), defeated with screwdriver
The connecting shaft (8) of shaft (b) magnetic absorption and for being packed into the adapter output shaft (9) of screwdriver bit (c)；
The sliding ring (2) is set in the outside of retainer (7), and the head in retainer (7) is arranged by clamp spring (4) for the spring (3)
Portion, the shell (1) are fastened on the head of sliding ring (2), and the connecting shaft (8) penetrates and stretches to from the mesoporous of retainer (7)
In shell (1), the adapter output shaft (9) penetrates and stretches in shell (1), the active from the mounting hole of shell (1)
Gear (5) and driven gear (6) are respectively positioned on the inside of shell (1) and between the two engaged transmission, and driving gear (5), which is mounted on, to be connected
The head of spindle (8), driven gear (6) are mounted on the tail portion of adapter output shaft (9)；
Connecting shaft (8) drives driving gear (5) rotation and then driving tooth under the driving effect of screwdriver output shaft (b) first
Taking turns (5) drives driven gear (6) rotation, last driven gear (6) that adapter output shaft (9) is driven to rotate.
2. a kind of screwdriver bit switching mechanism of electric screwdriver according to claim 1, it is characterised in that：The retainer (7)
Inner wall on be uniformly provided with several convex ribs (7-1) to match with several grooves (a-1) on screwdriver head (a), work as lock
It encloses (7) to be mounted on screwdriver head (a), several convex ribs (7-1) matchings are embedded in several grooves (a-1).
3. a kind of screwdriver bit switching mechanism of electric screwdriver according to claim 2, it is characterised in that：The retainer (7)
Side wall on be arranged with two steel balls (10) corresponding with the upper two groove positions (a-1) of screwdriver head (a), work as retainer
(7) it is mounted on screwdriver head (a), two steel ball (10) correspondences block two grooves (a-1).
4. a kind of screwdriver bit switching mechanism of electric screwdriver according to claim 1, it is characterised in that：The adapter is defeated
The magnetic pole (11) of shaft (9) being internally provided with for magnetic absorption screwdriver bit (c).
5. a kind of screwdriver bit switching mechanism of electric screwdriver according to claim 1, it is characterised in that：The connecting shaft
(8) central axes of central axes and screwdriver output shaft (b) are located on the same line, and the central axes of connecting shaft (8) with turn
The central axes vertical distribution of connector output shaft (9).
6. a kind of screwdriver bit switching mechanism of electric screwdriver according to claim 1, it is characterised in that：The shell (1)
It is mainly made of left valve shell and right valve shell, and left valve shell is mutually fixed with right valve shell by several screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721877681.5U CN207710663U (en) | 2017-12-28 | 2017-12-28 | A kind of screwdriver bit switching mechanism of electric screwdriver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721877681.5U CN207710663U (en) | 2017-12-28 | 2017-12-28 | A kind of screwdriver bit switching mechanism of electric screwdriver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207710663U true CN207710663U (en) | 2018-08-10 |
Family
ID=63050997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721877681.5U Expired - Fee Related CN207710663U (en) | 2017-12-28 | 2017-12-28 | A kind of screwdriver bit switching mechanism of electric screwdriver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207710663U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111203837A (en) * | 2020-03-10 | 2020-05-29 | 宁波汉浦工具有限公司 | Locking structure and electric screwdriver |
-
2017
- 2017-12-28 CN CN201721877681.5U patent/CN207710663U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111203837A (en) * | 2020-03-10 | 2020-05-29 | 宁波汉浦工具有限公司 | Locking structure and electric screwdriver |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180810 Termination date: 20201228 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |