CN207914650U - A kind of electric drill tool - Google Patents
A kind of electric drill tool Download PDFInfo
- Publication number
- CN207914650U CN207914650U CN201820327604.0U CN201820327604U CN207914650U CN 207914650 U CN207914650 U CN 207914650U CN 201820327604 U CN201820327604 U CN 201820327604U CN 207914650 U CN207914650 U CN 207914650U
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- CN
- China
- Prior art keywords
- electric drill
- output shaft
- card slot
- connecting pole
- locking member
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Abstract
The utility model discloses a kind of electric drill tool, including electric drill body part (1) and be removably attached to electric drill body part (1) head (111) bit change collet (2)；The head (111) of the electricity drill body part (1), which adds, extend out to the output shaft (3) of head (111) outside, and the output shaft (3) has the screwdriver bit hole (311) extended along its axis direction；There is the connecting pole (4) extended along its length direction in the bit change collet (2), there is movable locking member (5) on the connecting pole (4), there is the card slot (6) that engage with locking member (5), so that connecting pole (4) and output shaft (3) tight fit in connecting pole (4) inserting to output shaft (3) and in making movable locking member (5) be caught in into the card slot (6) on the output shaft (3).The utility model has the advantages that when operation, the circumferential jerk value of drill bit is smaller, ensures normal use.
Description
Technical field
The utility model is related to a kind of electric drill tools.
Background technology
Known disclosed Quick-change drill chuck electric drill tool, has the function of Quick-change drill chuck, then after being drilled, and can also unload
Quick chuck, which installs screwdriver bit stubborn self-tapping screw, especially hand held electric tool, has light-weight, easy to use feature, thus
It is widely used.
In existing Quick-change drill chuck electric drill structure, quick chuck has locking ball, and it is circular fixed to have on electric drill output shaft
Position steel ball hole, and the endoporus mounting surface of Quick-change drill chuck is gap-matched with the mounting surface on electric drill output shaft, has been ensured
Smoothly Quick-change drill chuck can be unloaded from electric drill output shaft during use.However, to ensure handling quick chuck, between this cooperation
Gap there must be, this causes to cause quick chuck dress drill bit circumference jump amount big in use, when overloading larger, is easy to lead
It causes Drill Crack or boring aperture to lose circle, affects performance.
Invention content
The technical problems to be solved in the utility model is to provide a kind of electric drill tool, when operation, the circumferential bounce of drill bit
Amount is smaller, it is ensured that normal to use.
In order to solve the above technical problems, technical solution provided by the utility model is：A kind of electric drill tool, including electric drill body
The bit change collet in portion and the head for being removably attached to electric drill body part；The head of the electricity drill body part, which adds, extend out to head
Output shaft outside portion, the output shaft have the screwdriver bit hole extended along its axis direction；There is edge in the bit change collet
The connecting pole of its length direction extension, there is movable locking member on the connecting pole, have and lock on the output shaft
Determine the card slot of element engaging, in connecting pole inserting to output shaft and in so that movable locking member is caught in into the card slot with
Make connecting pole and output shaft tight fit.
Further, have along its circumferentially distributed annular groove, the bottom surface of the annular groove on the output shaft
It is formed with the card slot, the card slot is V-groove, and the opening of the card slot is in the outside wall surface of the output shaft.
Further, the quantity of the card slot is multiple and is spaced apart along the annular trace of annular groove, the lock
The quantity for determining element is multiple and is arranged in a one-to-one correspondence with the card slot.
Further, the connecting pole is hollow columnar structures, has several circumferentially-spaced on the connecting pole
The mounting hole of distribution has the locking member in each mounting hole.
Further, the locking member is ball.
Further, the angle of the card slot is 90-130 degree.
Further, the angle of the card slot is 120 degree.
Further, the bit change collet is the collet being made of metal material.
Further, the connecting pole is the cylinder being made of metal material.
Further, the bit change collet is using collet made of plastics.
It designs, has the advantages that compared with prior art following using the above structure：Its primary structure includes bit change folder
It is provided with the connecting pole extended along its length direction in head, there is movable locking member on connecting pole, then have on output shaft
There is the card slot engaged with locking member, during connecting pole is inserted to output shaft, movable locking member is caught in into the card
In slot so that connecting pole and output shaft tight fit.
The above-mentioned setting based on above structure shows connecting pole and output shaft by connecting pole and output shaft tight fit
Coordinate for zero clearance, when bit change collet has installed drill bit and operation additional, by connecting pole and output shaft tight fit, makes
The circumferential jerk value for obtaining the drill bit on drill bushing is smaller, it is ensured that the normal use of electric drill.
Description of the drawings
Fig. 1 is that the utility model is integrally-built quick-fried according to figure.
Fig. 2 is the overall structure diagram of the bit change collet of the utility model.
The structural schematic diagram of the connecting pole of the bit change collet of Fig. 3 the utility model and the cooperation of output shaft piece.
Fig. 4 is the direction view of Fig. 3 A-A.
As shown in the figure：1, electric drill body part；111, head；2, bit change collet；3, output shaft；311, screwdriver bit hole；312, ring
Connected in star；4, connecting pole；5, locking member；6, card slot.
Specific implementation mode
The following describes the utility model in further detail with reference to the accompanying drawings.
Technical scheme of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
The every other embodiment that personnel are obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the orientation or positional relationship of the instructions such as term "upper", "lower" is base
It in orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than indicates or imply
Signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as to this
The limitation of invention.In addition, term " first ", " second ", " third " and " the 4th " is used for description purposes only, and should not be understood as referring to
Show or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " connection " should be done
It broadly understood, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；Can be mechanical connection,
It can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary inside two elements
Connection.For the ordinary skill in the art, it can understand that above-mentioned term in the present invention specific contains with concrete condition
Justice.
The present invention is described in further detail below by specific examples of the implementation and in conjunction with Fig. 1-Fig. 4.
Embodiment one
The utility model discloses a kind of electric drill tool, including electric drill body part 1 and it is removably attached to electric drill body part 1
The bit change collet 2 on head 111；The head 111 of the electricity drill body part 1 adds the output shaft 3 extending out to outside head 111, institute
Stating output shaft 3 has the screwdriver bit hole 311 extended along its axis direction；Have along its length side in the bit change collet 2
To the connecting pole 4 of extension, there is movable locking member 5 on the connecting pole 4, have and locking member 5 on the output shaft 3
The card slot 6 of engaging, the inserting of the connecting pole 4 on output shaft 3 and in so that movable locking member 5 is caught in into the card slot 6 with
Make connecting pole 4 and 3 tight fit of output shaft.
It waits, has as further embodiment, on the output shaft 3 recessed along its circumferentially distributed annular in the specific implementation
Slot 312 has been formed with the card slot 6 on the bottom surface of the annular groove 312, and the card slot 6 is V-groove, and the card slot 6 is opened
In outside wall surface of the mouth in the output shaft 3.It is to use the card slot 6 of V-type using the purpose designed above, locking member 5 is more
It is easily accessible in the card slot 6 of V-type so that bit change collet 2 is attached to 3 process of output shaft of electric drill body part 1 by connecting pole 4
More smoothly so that facilitate bit change collet 2 under the dismounting of the output shaft 3 of electric drill body part 1.
It waits in the specific implementation, as further embodiment, the quantity of the card slot 6 is multiple and along annular groove
312 annular trace is spaced apart, and the quantity of the locking member 5 is multiple and is arranged in a one-to-one correspondence with the card slot 6.Using
The purpose designed above is so that output shaft 3 and the fiting effect of connecting pole 4 are more firm.
It waits in the specific implementation, as further embodiment, the connecting pole 4 is hollow columnar structures, the company
The mounting hole with several circumferentially-spaced distributions on column 4 is connect, there is the locking member 5 in each mounting hole, it is described
Locking member 5 is ball.It is to achieve the purpose that locking member 5 in 4 activity setting of connecting pole using the purpose designed above.
It waits in the specific implementation, as further embodiment, the angle of the card slot 6 is 90-130 degree.Using setting above
The purpose of meter is, the angular range of selection more suitable card slot 6, bit change collet 2 is attached to electric drill body part by connecting pole 4
13 process of output shaft is more smooth.
It waits in the specific implementation, as further embodiment, the angle of the card slot 6 is 120 degree.Using what is designed above
Purpose is, the angle of the angle is realized more convenient in technique, and best angle is obtained after test of many times.
It waits in the specific implementation, as further embodiment, the bit change collet 2 is the folder being made of metal material
Head.It is to ensure the structural strength of bit change collet 2 using the purpose designed above.
It waits in the specific implementation, as further embodiment, the connecting pole 4 is the cylinder being made of metal material.
It is to ensure the structural strength of connecting pole 4 using the purpose designed above.
Embodiment two
The utility model discloses a kind of electric drill tool, including electric drill body part 1 and it is removably attached to electric drill body part 1
The bit change collet 2 on head 111；The head 111 of the electricity drill body part 1 adds the output shaft 3 extending out to outside head 111, institute
Stating output shaft 3 has the screwdriver bit hole 311 extended along its axis direction；Have along its length side in the bit change collet 2
To the connecting pole 4 of extension, there is movable locking member 5 on the connecting pole 4, have and locking member 5 on the output shaft 3
The card slot 6 of engaging, the inserting of the connecting pole 4 on output shaft 3 and in so that movable locking member 5 is caught in into the card slot 6 with
Make connecting pole 4 and 3 tight fit of output shaft.
It waits, has as further embodiment, on the output shaft 3 recessed along its circumferentially distributed annular in the specific implementation
Slot 312 has been formed with the card slot 6 on the bottom surface of the annular groove 312, and the card slot 6 is V-groove, and the card slot 6 is opened
In outside wall surface of the mouth in the output shaft 3.It is to use the card slot 6 of V-type using the purpose designed above, locking member 5 is more
It is easily accessible in the card slot 6 of V-type so that bit change collet 2 is attached to 3 process of output shaft of electric drill body part 1 by connecting pole 4
More smoothly so that facilitate bit change collet 2 under the dismounting of the output shaft 3 of electric drill body part 1.
It waits in the specific implementation, as further embodiment, the quantity of the card slot 6 is multiple and along annular groove
312 annular trace is spaced apart, and the quantity of the locking member 5 is multiple and is arranged in a one-to-one correspondence with the card slot 6.Using
The purpose designed above is so that output shaft 3 and the fiting effect of connecting pole 4 are more firm.
It waits in the specific implementation, as further embodiment, the connecting pole 4 is hollow columnar structures, the company
The mounting hole with several circumferentially-spaced distributions on column 4 is connect, there is the locking member 5 in each mounting hole, it is described
Locking member 5 is ball.It is to achieve the purpose that locking member 5 in 4 activity setting of connecting pole using the purpose designed above.
It waits in the specific implementation, as further embodiment, the angle of the card slot 6 is 90-130 degree.Using setting above
The purpose of meter is, the angular range of selection more suitable card slot 6, bit change collet 2 is attached to electric drill body part by connecting pole 4
13 process of output shaft is more smooth.
It waits in the specific implementation, as further embodiment, the angle of the card slot 6 is 120 degree.Using what is designed above
Purpose is, the angle of the angle is realized more convenient in technique, and best angle is obtained after test of many times.
It waits in the specific implementation, as further embodiment, the connecting pole 4 is the cylinder being made of metal material.
It is to ensure the structural strength of connecting pole 4 using the purpose designed above.
It waits in the specific implementation, as further embodiment, the bit change collet 2 is using collet made of plastics.
It is to facilitate the processing and fabricating of bit change collet 2 using the purpose designed above.
The direction of above-mentioned specific embodiment, dismounting bit change collet 2 is indicated with F1 and F2 in Fig. 1, and brill is changed in F1 expressions
Head collet 2 is assembled to the direction of electric drill body part 1, and F2 indicates the direction under bit change collet 2 is dismantled from electric drill body part 1, in Fig. 4
In, the angle of card slot 6 has been indicated with B.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of electric drill tool, including electric drill body part (1) and it is removably attached to head (111) of electric drill body part (1) and changes
Drill bushing (2)；The head (111) of the electricity drill body part (1), which adds, extend out to the output shaft (3) of head (111) outside, described
Output shaft (3) has the screwdriver bit hole (311) extended along its axis direction；It is characterized in that：Tool in the bit change collet (2)
There is the connecting pole (4) extended along its length direction, there is movable locking member (5), the output on the connecting pole (4)
There is the card slot (6) that engage with locking member (5), the connecting pole (4) inserts on output shaft (3) and making activity on axis (3)
Locking member (5) be caught in into the card slot (6) in so that connecting pole (4) and output shaft (3) tight fit.
2. a kind of electric drill tool according to claim 1, it is characterised in that：Have along its circumferential direction on the output shaft (3)
The annular groove (312) of distribution has been formed with the card slot (6), the card slot (6) on the bottom surface of the annular groove (312)
Opening for V-groove, the card slot (6) is in the outside wall surface of the output shaft (3).
3. a kind of electric drill tool according to claim 2, it is characterised in that：The quantity of the card slot (6) is multiple and edge
The annular trace for annular groove (312) is spaced apart, the quantity of the locking member (5) be it is multiple and with the card slot (6)
It is arranged in a one-to-one correspondence.
4. a kind of electric drill tool according to claim 3, it is characterised in that：The connecting pole (4) is hollow column knot
Structure body, the mounting hole with several circumferentially-spaced distributions on the connecting pole (4) have the lock in each mounting hole
Determine element (5).
5. a kind of electric drill tool according to claim 4, it is characterised in that：The locking member (5) is ball.
6. a kind of electric drill tool according to claim 2, it is characterised in that：The angle of the card slot (6) is 90-130 degree.
7. a kind of electric drill tool according to claim 6, it is characterised in that：The angle of the card slot (6) is 120 degree.
8. a kind of electric drill tool according to claim 1, it is characterised in that：The bit change collet (2) is to use metal
Collet made of material.
9. a kind of electric drill tool according to claim 1, it is characterised in that：The connecting pole (4) is to use metal material
Manufactured cylinder.
10. a kind of electric drill tool according to claim 1, it is characterised in that：The bit change collet (2) is to use plastics
Manufactured collet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820327604.0U CN207914650U (en) | 2018-03-10 | 2018-03-10 | A kind of electric drill tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820327604.0U CN207914650U (en) | 2018-03-10 | 2018-03-10 | A kind of electric drill tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207914650U true CN207914650U (en) | 2018-09-28 |
Family
ID=63598038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820327604.0U Active CN207914650U (en) | 2018-03-10 | 2018-03-10 | A kind of electric drill tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207914650U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022124459A1 (en) * | 2020-12-08 | 2022-06-16 | (주)볼팅마스타 | Replaceable-type torque wrench |
-
2018
- 2018-03-10 CN CN201820327604.0U patent/CN207914650U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022124459A1 (en) * | 2020-12-08 | 2022-06-16 | (주)볼팅마스타 | Replaceable-type torque wrench |
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