CN204160387U - Durable type screw screwdriver bit - Google Patents
Durable type screw screwdriver bit Download PDFInfo
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- CN204160387U CN204160387U CN201420562218.1U CN201420562218U CN204160387U CN 204160387 U CN204160387 U CN 204160387U CN 201420562218 U CN201420562218 U CN 201420562218U CN 204160387 U CN204160387 U CN 204160387U
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- head
- electric screwdriver
- cylindrical grooves
- collet head
- type screw
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Abstract
The utility model discloses a kind of durable type screw screwdriver bit; Comprise electric screwdriver bar and eccentric pin; One end of electric screwdriver bar is electric screwdriver head, and the other end is collet head, collet head and electric screwdriver head one-body molded; Eccentric pin is assemblied in collet head, is fixedly connected with collet head; Collet head is cylindrical-shaped structure, the top of the collet head of cylindrical-shaped structure offers first cylindrical grooves coincided with its axle center, and the bottom surface of the first cylindrical grooves is prolonged its length direction near the axle center certain distance of this first cylindrical grooves and offered one second cylindrical grooves; One end of eccentric pin is anchored in the second cylindrical grooves, and the other end leaks as the first cylindrical grooves; Collet head of the present utility model and electric screwdriver head one-body molded, good concentricity, when making follow-up use, the utility model good stability, durability is good, and resistance to impact is good.
Description
Technical field
The utility model relates to screwdriver bit frock technical field, specifically, relates to a kind of for assembling or the screwdriver bit of knockout screw.
Background technology
Screw screwdriver bit, as the term suggests, a kind of in order to assembling or the cutter head of knockout screw.In use, it is connected between electric screwdriver and screw as a bridge, by the rotation of electric screwdriver, corresponding screw is driven to rotate to make associated screw screwdriver bit, so that associated screw is assemblied on the required frock panel assembled or by associated screw remove from corresponding frock panel, and then, to improve assembling or removal efficiency.
On the market, screw screwdriver bit is seen everywhere, and it generally comprises the collet head of electric screwdriver bar and fixing electric screwdriver bar, but, existing most screw screwdriver bit, the concentricity in the axle center of corresponding electric screwdriver bar and collet head is not high, so that make in use, electric screwdriver is connected insecure with corresponding electric screwdriver bar.When corresponding electric screwdriver drives electric screwdriver bar to rotate, electric screwdriver bar is easily shifted, and then, make it be easier to wear and tear and rupture, make service life short.
Further, existing screw screwdriver bit, corresponding electric screwdriver bar and collet head are all generally that the mode connected with welding links together, so, its stability neither be fine, and service time is of a specified duration, the easy sealing-off of weld of electric screwdriver bar and collet head, causes it to get loose, and causes durability not high.
By this, for the defect of prior art, design a durability good, resistance to impact be good, the screw screwdriver bit of long service life, be then necessary, it must have good market using value.
Utility model content
The purpose of this utility model is to overcome the deficiency of above-mentioned prior art and a kind of durable type screw screwdriver bit provided.
The technical scheme that the utility model solution prior art problem adopts is: a kind of durable type screw screwdriver bit, and it is characterized in that, it comprises electric screwdriver bar and eccentric pin; Wherein, one end of described electric screwdriver bar is electric screwdriver head, and the other end is collet head, described collet head and described electric screwdriver head one-body molded; Described eccentric pin is assemblied in described collet head, is fixedly connected with described collet head.
Below above technical scheme is further elaborated:
Preferably, described collet head is cylindrical-shaped structure, the top of the described collet head of cylindrical-shaped structure offers first cylindrical grooves coincided with its axle center, and the bottom surface of described first cylindrical grooves is prolonged its length direction near the axle center certain distance of this first cylindrical grooves and offered one second cylindrical grooves; One end of described eccentric pin is anchored in described second cylindrical grooves, and the other end leaks as described first cylindrical grooves.
Preferably, the circumferential surface of described electric screwdriver head offers a circle annular slot near the top certain distance of this electric screwdriver head.
Preferably, the cross section of described annular slot is curved, square or trapezoidal.
Preferably, also comprise the Anti-slip cover of anticreep effect together, described Anti-slip cover is detachable to be sheathed on described annular slot.
Preferably, described electric screwdriver head is interior hexagonal electric screwdriver head.
Preferably, the material of described electric screwdriver bar is SKD11 mould steel, and the material of described eccentric pin is SKD51 mould steel.
Preferably, the distance between the axle center of described second cylindrical grooves and the axle center of described first cylindrical grooves is one millimeter, and the length of described electric screwdriver head is 43 millimeters, and the length of described collet head is 17 millimeters, and the diameter of described collet head is ten millimeters.
The beneficial effects of the utility model are:
One, a kind of durable type screw screwdriver bit provided by the utility model, the electric screwdriver head part of described electric screwdriver bar wherein and collet head part are processed by special tool, make it one-body molded, and then, described electric screwdriver head and collet head can reach the object of good concentricity, make in follow-up use, the utility model good stability, durability is good, and resistance to impact is good.
They are two years old, in the utility model embodiment, circumferential surface in described electric screwdriver head also offers a circle annular slot near the top certain distance of this electric screwdriver head, and, described annular slot is also arranged with the Anti-slip cover of anticreep effect together, in use, top to the part between annular slot of electric screwdriver head is arranged on suitable screw, namely associated annular draw-in groove forms fracture protection section, namely part between annular slot and collet head forms shock-resistant breeze way, namely its associated antiskid cover forms explosive-proof protector, namely prevent from the top of electric screwdriver head from rupturing splash and injure human body, and then, the utility model result of use is good.
Pin three, set by the utility model is eccentric pin, and itself and special electric screwdriver are suitable, and in use, corresponding electric screwdriver drives electric screwdriver head work by eccentric pin, and the axle center of electric screwdriver head not easily offsets all the time, makes result of use better.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the utility model durable type screw screwdriver bit in embodiment one;
Fig. 2 is the cross sectional planes structural representation of the utility model durable type screw screwdriver bit in embodiment one;
Fig. 3 is the top view of the utility model durable type screw screwdriver bit in embodiment one;
Fig. 4 is the overall structure schematic diagram of the utility model durable type screw screwdriver bit being provided with Anti-slip cover in embodiment two.
The realization of the utility model object, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Wherein, 10-electric screwdriver bar; 101-electric screwdriver head; 1011-annular slot; 102-collet head; 1021-first cylindrical grooves; 1022-second cylindrical grooves;
20-eccentric pin;
30-Anti-slip cover;
Detailed description of the invention
Below with reference to drawings and the specific embodiments describe in detail the technical solution of the utility model so as clearer, understand invention essence of the present utility model intuitively.
Fig. 1 is the overall structure schematic diagram of the utility model durable type screw screwdriver bit in embodiment one; Fig. 2 is the cross sectional planes structural representation of the utility model durable type screw screwdriver bit in embodiment one; Fig. 3 is the top view of the utility model durable type screw screwdriver bit in embodiment one; Fig. 4 is the overall structure schematic diagram of the utility model durable type screw screwdriver bit being provided with Anti-slip cover in embodiment two.
Embodiment one
Shown in composition graphs 1, Fig. 2 and Fig. 3, a kind of durable type screw screwdriver bit provided by the utility model, it comprises electric screwdriver bar 10 and eccentric pin 20.Wherein, one end of described electric screwdriver bar 10 is electric screwdriver head 101, and the other end is collet head 102.Described collet head 102 is one-body molded with described electric screwdriver head 101.Described eccentric pin 20 is assemblied in described collet head 102, is fixedly connected with described collet head 102.
Concrete, described collet head 102 is cylindrical-shaped structure, the top of the described collet head 102 of cylindrical-shaped structure offers first cylindrical grooves 1021 coincided with its axle center, and the bottom surface of described first cylindrical grooves 1021 is prolonged its length direction near the axle center certain distance of this first cylindrical grooves 1021 and offered one second cylindrical grooves 1022; One end of described eccentric pin 20 is anchored in described second cylindrical grooves 1022, and the other end leaks as described first cylindrical grooves 1021.
Thus, a kind of durable type screw screwdriver bit provided by the utility model, because electric screwdriver head 101 part of described electric screwdriver bar 10 and collet head 102 part are processed by special tool, make it one-body molded, and then described electric screwdriver head 101 and collet head 102 can reach the object of good concentricity, make in follow-up use, the utility model durability is good, and resistance to impact is good.
Further, the pin that the utility model adopts is eccentric pin 20, and itself and special electric screwdriver are suitable, in use, corresponding electric screwdriver drives electric screwdriver head 101 to work by eccentric pin 20, and the axle center of electric screwdriver head 101 not easily offsets all the time, makes result of use good.
Meanwhile, in the utility model embodiment, because electric screwdriver head 101 and collet head 102 are one-body molded, make its good stability, the defects such as what its mode be welded to connect that can solve between traditional electric screwdriver head 101 and collet head 102 was brought easily gets loose, structure is insecure, and then the utility model result of use is better.
Further, the circumferential surface of the described electric screwdriver head 101 in the present embodiment offers a circle annular slot 1011 near the top certain distance of this electric screwdriver head 101.The cross section of described annular slot 1011 curved, square or trapezoidal in any one.
In use; the top of described electric screwdriver head 101 is arranged on suitable screw to the part between described annular slot 1011; namely associated annular draw-in groove 1011 forms fracture protection section, and namely the part between annular slot 1011 and collet head 102 forms shock-resistant breeze way.
And then the utility model result of use is good.And when the top of described electric screwdriver head 101 is just in case when fracture occurs; its general fracture protection section place fracture that only can be formed at associated annular draw-in groove 1011; make use safety; also the shock-resistant breeze way making the part between described annular slot 1011 and collet head 102 be formed and collet head 102 part can not be impacted and be worn and torn; and then; can recycling be made, while economizing on resources, also be beneficial to environmental protection.
Further, in the utility model embodiment, because the head of screw that market generally uses is all hexagonal in band, and then, in the present embodiment, hexagonal electric screwdriver head 101 in described electric screwdriver head 101 is preferably, certainly, it also can be Triangle ID electric screwdriver head 101 or other shapes, at this, does not do and illustrates one by one.
And in the present embodiment, the material of described electric screwdriver bar 10 is SKD11 mould steel, the material of described eccentric pin 20 is SKD51 mould steel.Meanwhile, as preferred version, distance between the axle center of described second cylindrical grooves 1022 of the present embodiment and the axle center of described first cylindrical grooves 1021 is one millimeter, the length of described electric screwdriver head 101 is 43 millimeters, the length of described collet head 102 is 17 millimeters, and the diameter of described collet head 102 is ten millimeters.
It should be noted that, when specifically implementing, the length of electric screwdriver head 101 described above, the length etc. of collet head 102 also can process setting according to actual needs voluntarily, at this, also do not do and illustrate one by one.
Embodiment two
With reference to Fig. 1, Fig. 2 and Fig. 3, shown in composition graphs 4, a kind of durable type screw screwdriver bit provided by the utility model, on the basis of embodiment one, also increase the Anti-slip cover 30 having anticreep effect together, described Anti-slip cover 30 is detachable to be sheathed on described annular slot 1011.
So; one; by the effect of Anti-slip cover 30; the part between the top of described electric screwdriver head 101 to described annular slot 1011 can be made to can be good at being arranged on suitable screw; two; when the top of described electric screwdriver head 101 is just in case when fracture occurs; its general fracture protection section place fracture that only can be formed at associated annular draw-in groove 1011; and then; the Anti-slip cover 30 settled can play the effect of blocking; can prevent from the top of electric screwdriver head 101 from rupturing splash and injure human body, make the utility model result of use reach better further.
In sum, a kind of durable type screw screwdriver bit provided by the utility model, electric screwdriver head 101 part of described electric screwdriver bar 10 wherein and collet head 102 part are processed by special tool, make it one-body molded, and then described electric screwdriver head 101 and collet head 102 can reach the object of good concentricity, make in follow-up use, the utility model good stability, durability is good, and resistance to impact is good.
Meanwhile, the utility model also offers a circle annular slot 1011 in the circumferential surface of described electric screwdriver head 101 near the top certain distance of this electric screwdriver head 101, and, described annular slot 1011 is also arranged with the Anti-slip cover 30 of anticreep effect together, in use, the top of electric screwdriver head 101 is arranged on suitable screw to the part between annular slot 1011, namely associated annular draw-in groove 1011 forms fracture protection section, namely part between annular slot 1011 and collet head 102 forms shock-resistant breeze way, namely its associated antiskid cover 30 forms explosive-proof protector, namely prevent from the top of electric screwdriver head 101 from rupturing splash and injure human body, and then, the utility model result of use is good.
By this, the utility model is practical, strong adaptability, the utility model is relative to traditional screw screwdriver bit, and while not increasing any cost, relevant electric screwdriver head 101 is one-body molded with collet head 102, also simplify the production technologies such as traditional welding, and then the utility model must have good market popularization value, it can effectively be promoted and extensive use.
The foregoing is only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model description and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (8)
1. a durable type screw screwdriver bit, is characterized in that, it comprises electric screwdriver bar and eccentric pin; Wherein, one end of described electric screwdriver bar is electric screwdriver head, and the other end is collet head, described collet head and described electric screwdriver head one-body molded; Described eccentric pin is assemblied in described collet head, is fixedly connected with described collet head.
2. durable type screw screwdriver bit according to claim 1, it is characterized in that, described collet head is cylindrical-shaped structure, the top of the described collet head of cylindrical-shaped structure offers first cylindrical grooves coincided with its axle center, and the bottom surface of described first cylindrical grooves is prolonged its length direction near the axle center certain distance of this first cylindrical grooves and offered one second cylindrical grooves; One end of described eccentric pin is anchored in described second cylindrical grooves, and the other end leaks as described first cylindrical grooves.
3. durable type screw screwdriver bit according to claim 1, is characterized in that, the circumferential surface of described electric screwdriver head offers a circle annular slot near the top certain distance of this electric screwdriver head.
4. durable type screw screwdriver bit according to claim 3, it is characterized in that, the cross section of described annular slot is curved, square or trapezoidal.
5. durable type screw screwdriver bit according to claim 3, is characterized in that, also comprise the Anti-slip cover of anticreep effect together, and described Anti-slip cover is detachable to be sheathed on described annular slot.
6. the durable type screw screwdriver bit according to any one of claim 1-3, is characterized in that, described electric screwdriver head is interior hexagonal electric screwdriver head.
7. the durable type screw screwdriver bit according to any one of claim 1-3, is characterized in that, the material of described electric screwdriver bar is SKD11 mould steel, and the material of described eccentric pin is SKD51 mould steel.
8. durable type screw screwdriver bit according to claim 2, it is characterized in that, distance between the axle center of described second cylindrical grooves and the axle center of described first cylindrical grooves is one millimeter, the length of described electric screwdriver head is 43 millimeters, the length of described collet head is 17 millimeters, and the diameter of described collet head is ten millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420562218.1U CN204160387U (en) | 2014-09-26 | 2014-09-26 | Durable type screw screwdriver bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420562218.1U CN204160387U (en) | 2014-09-26 | 2014-09-26 | Durable type screw screwdriver bit |
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| Publication Number | Publication Date |
|---|---|
| CN204160387U true CN204160387U (en) | 2015-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420562218.1U Active CN204160387U (en) | 2014-09-26 | 2014-09-26 | Durable type screw screwdriver bit |
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| CN (1) | CN204160387U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109159068A (en) * | 2018-10-30 | 2019-01-08 | 淮阴工学院 | Screw wrenching tool unit for gun-type screw wrenching tool |
-
2014
- 2014-09-26 CN CN201420562218.1U patent/CN204160387U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109159068A (en) * | 2018-10-30 | 2019-01-08 | 淮阴工学院 | Screw wrenching tool unit for gun-type screw wrenching tool |
| CN109159068B (en) * | 2018-10-30 | 2020-05-22 | 淮阴工学院 | Bolt tightening unit for gun bolt tightening device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |