CN203818107U - Combined tool capable of clamping drill bit and locking screw - Google Patents

Combined tool capable of clamping drill bit and locking screw Download PDF

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Publication number
CN203818107U
CN203818107U CN201420178082.4U CN201420178082U CN203818107U CN 203818107 U CN203818107 U CN 203818107U CN 201420178082 U CN201420178082 U CN 201420178082U CN 203818107 U CN203818107 U CN 203818107U
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CN
China
Prior art keywords
drill bit
extension bar
elasticity
groove
combination tool
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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
Application number
CN201420178082.4U
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Chinese (zh)
Inventor
游明司
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Is Across Positive Industrial Co Ltd
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Individual
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Priority to CN201420178082.4U priority Critical patent/CN203818107U/en
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Publication of CN203818107U publication Critical patent/CN203818107U/en
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Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a combined tool capable of clamping a drill bit and locking a screw and relates to the field of hardware tools. The combined tool comprises a driving sleeve and an elastic drill bit extension bar, wherein the driving sleeve adopts a hollow circular tube; an inner hexagonal hole is formed in each inner hole at each end of the driving sleeve respectively; a groove is formed in each outer circle at each end of the driving sleeve respectively; a steel ball exposed out of the groove is arranged in each of the grooves; a shrapnel is arranged outside each of the grooves and used for pressing the steel ball in the groove; the elastic drill bit extension bar adopts a hollow elastic cylinder; an elastic three-jaw clamping part is arranged in one end of the elastic drill bit extension bar, and an outer hexagonal part is arranged at the other end of the elastic drill bit extension bar; arc grooves corresponding to the sleeve grooves are formed in the outer hexagonal part. According to the utility model, the combined tool is similar to a traditional drill bit in terms of application, additional installation processes are not needed, and all that is needed is to insert a drill bit into the elastic drill bit extension bar and then lock the elastic drill bit extension bar with the three-jaw clamping part of a power-driven tool, so that various traditional drill bits can be used for drilling holes and locking the screw with a lower cost.

Description

A kind of can clamping drill bit and have the combination tool of lock screw function concurrently
Technical field
The utility model relates to hardware & tools field, particularly a kind of can clamping drill bit and have the combination tool of lock screw function concurrently.
Background technology
For securing member installation exercise, relate to all trades and professions at present, common method is first drill bit to be installed on electric tool, with drill bit, on workpiece, bored behind hole, then with hand screwdriver by screw tightening.For increasing work efficiency, constructor carries two electric tools often at installation exercise, and one the electric drill for workpiece boring, and another is for the electric screw driver of lock screw, and this kind of method operating cost is high, and carries inconvenience; Also has the constructor of part with after electric drill boring, again drill bit is unloaded and installs the fastened tools of the turn of the screw from the three-jaw clamping part of electric tool, the body burden when virtually having increased constructor's operation so not only, and change the outfit frequently and very easily damage the service life of electric tool, operating cost is increased.
In the streets also there are some to have the combination tool of boring and lock screw function concurrently, but this type of instrument all limits to the drill bit that is applied to single type, and this drill bit need have special shank pattern, with respect to traditional drill bit, the cost of this type of drill bit is high, processed complex, so the combination tool being used in conjunction with this drill bit exists certain limitation in use, can not and build the industry universals such as work carpenter, ironworker.
Summary of the invention
(1) technical problem that will solve
The technical problems to be solved in the utility model is, how a kind of drill bit that at low cost can clamping different size is provided, and has again the instrument of lock screw function concurrently, and can be applicable to carpenter, ironworker and build the industries such as work.
(2) technical scheme
In order to address the above problem, the utility model provides a kind of energy clamping drill bit and has had the combination tool of lock screw function concurrently, and itself and electric tool are used in conjunction with, and described combination tool comprises:
Drive sleeve, it is the pipe of a hollow, and two ends endoporus is respectively provided with an inner hexagonal hole, and two ends cylindrical is respectively provided with a groove, is provided with the steel ball that is exposed to groove in described groove, the external shell fragment of groove, described shell fragment is for pressing steel ball in groove;
Elasticity drill bit extension bar, it is the elastic cylinder of a hollow, and its inside, one end is provided with elasticity three-jaw clamping part, and it is for clamping drilling bit, and the other end is provided with outer-hexagonal portion, and outer-hexagonal parts are provided with the arc groove corresponding with drive sleeve groove;
Described drive sleeve is connected with screwdriver bit with one end of inner hexagonal hole, and the other end is connected with elasticity drill bit extension bar, and described elasticity drill bit extension bar is connected with electric tool.
Wherein, described elasticity three-jaw clamping part is corresponding with the three-jaw clamping part of electric tool, and the cylindrical central part of three jaws of described elasticity three-jaw clamping part is provided with clamping face.
Wherein, described clamping face comprises: plane, V-type face and interior concaved circular cambered surface.
Wherein, endoporus and the cylindrical of described elasticity drill bit extension bar are concentric, and the barrel thickness of elastic cylinder is identical.
Wherein, the clamping drilling bit face of every jaw of described elasticity three-jaw clamping part is an arc surface.
Wherein, described combination tool is made by high elastic modulus alloy steel.
Wherein, the front end of elasticity three-jaw clamping part is provided with an arc groove.
The drill bit being connected with described combination tool is carpenter, ironworker or build work cement drill bit.
(3) beneficial effect
This new design is in the use with to use traditional drill bit similar, do not need extra installation procedure, only drill bit need to be inserted in elasticity drill bit extension bar, with the three-jaw clamping part of electric tool, elasticity drill bit extension bar is locked again, thereby reach by the various conventional drill of lower cost, have the function of holing and having lock screw concurrently concurrently.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model elasticity drill bit extension bar;
Fig. 2 is the schematic diagram that the utility model empty drill bit extension bar is connected with electric tool;
Fig. 3 is the cutaway view of the utility model elasticity drill bit extension bar;
Schematic diagram when Fig. 4 is the utility model use.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described in further detail, following examples are used for illustrating the utility model, but are not used for limiting scope of the present utility model.
As shown in Fig. 1~4, described combination tool comprises:
Drive sleeve 200, it is the pipe of a hollow, and two ends endoporus is respectively provided with an inner hexagonal hole, and two ends cylindrical is respectively provided with a groove, is provided with the steel ball 8 that is exposed to groove in described groove, the external shell fragment of groove, described shell fragment is for pressing steel ball 8 in groove;
Elasticity drill bit extension bar 100, it is the elastic cylinder of a hollow, and its inside, one end is provided with elasticity three-jaw clamping part 1, and it is for clamping drilling bit 30, and the other end is provided with outer-hexagonal portion 4, and outer-hexagonal portion 4 is provided with the arc groove 5 corresponding with drive sleeve 200 grooves;
Described drive sleeve 200 is connected with screwdriver bit 7 with one end of inner hexagonal hole, and the other end is connected with elasticity drill bit extension bar 100, and described elasticity drill bit extension bar 100 is connected with electric tool.When drive sleeve 200 is inserted in the outer-hexagonal portion of elasticity drill bit extension bar 100, arc groove 5 places in 8 of the interior dew steel balls that arrange in the groove of the drive sleeve 200 outer-hexagonal portion in elasticity drill bit extension bar 100, external shell fragment can force steel ball 8 to be absorbed in that arc groove 5 in outer-hexagonal portion is interior to be fixed on drive sleeve on elasticity drill bit extension bar 100.So, can realize the rotational energy of electric tool is transmitted to drive sleeve 200 as driving fastened by screw to use.
Preferably, described elasticity three-jaw clamping part 1 is corresponding with the three-jaw clamping part 20 of electric tool, and the cylindrical central part of three jaws of described elasticity three-jaw clamping part 1 is provided with clamping face, forms three-jaw hold assembly.
Preferably, described clamping face comprises: plane, V-type face and interior concaved circular cambered surface.(in the present embodiment, clamping face be take plane as example)
Preferably, endoporus and the cylindrical of described elasticity drill bit extension bar 100 are concentric, and the barrel thickness of elastic cylinder is identical.
Preferably, the clamping drilling bit face of every jaw of described elasticity three-jaw clamping part 1 is an arc surface 10.
Preferably, the front end of elasticity three-jaw clamping part 1 is provided with an arc groove 3, make slightly thin its rupture strength that makes of thickness of its Thickness Ratio elasticity drill bit extension bar 100 cylindrical shells be less than elasticity three-jaw clamping part 1, the three-jaw that is synchronously subject to electric tool when three jaws of elasticity drill bit extension bar 100 is during toward interior compressible drive, the deformation point of its three jaws can betide arc groove 3 places of thinner thickness, thereby guarantees that three jaws can parallelly clamp drill bit toward inside contracting the mode of young pathbreaker's drill bit with face.
Preferably, described combination tool is made by high elastic modulus alloy steel, tool height compressibility and resilience, and compression zone is determined according to the shank diameter of drill bit.During the compression stress of three jaws on the three-jaw clamping part that loosens electric tool, three jaws of elasticity drill bit extension bar 100 can recoil to origin-location, so, can realize the commonality that is applicable to diameter difference various drill bits within the specific limits.The drill bit that also can solve the same size that each manufacturer produces has the problem of different shank diameters.
Occupation mode:
1. drill bit is inserted into the three-jaw clamping part 1 of elasticity drill bit extension bar 100 by outer-hexagonal portion endoporus, elasticity drill bit extension bar is inserted in the three-jaw clamping part 20 of electric tool, make the opposite position of three jaw positions that elasticity drill bit extension bar 100 has a plane three jaws in electric tool, the three-jaw clamping part cylindrical that rotates electric tool makes three-jaw toward inside contracting young pathbreaker's elasticity drill bit extension bar and inner bit is synchronously locked.
2. open electric tool power supply, in machining object, get out the hole needing.
3. one end of drive sleeve 200 is inserted in to the outer-hexagonal portion 4 of drill bit and elasticity drill bit extension bar 100, sleeve pipe is fixed on elasticity drill bit extension bar 100.
4. the interior hexagonal place of drive sleeve 200 other ends inserts and corresponds to screwdriver bit 7.
5. open electric tool, with the slow-speed of revolution, screw is locked to machining object.
6. take off or be inserted in drive sleeve 200 and can repeat boring and the work of holding screw.
The drill bit being connected with described combination tool can be carpenter, ironworker or build work cement drill bit.
Above embodiment is only for illustrating the utility model; and be not limitation of the utility model; the those of ordinary skill in relevant technologies field; in the situation that not departing from spirit and scope of the present utility model; can also make a variety of changes and modification; therefore all technical schemes that are equal to also belong to category of the present utility model, and scope of patent protection of the present utility model should be defined by the claims.

Claims (8)

1. energy clamping drill bit and have the combination tool of lock screw function concurrently, itself and electric tool are used in conjunction with, and it is characterized in that, and described combination tool comprises:
Drive sleeve, it is the pipe of a hollow, and two ends endoporus is respectively provided with an inner hexagonal hole, and two ends cylindrical is respectively provided with a groove, is provided with the steel ball that is exposed to groove in described groove, the external shell fragment of groove, described shell fragment is for pressing steel ball in groove;
Elasticity drill bit extension bar, it is the elastic cylinder of a hollow, and its inside, one end is provided with elasticity three-jaw clamping part, and it is for clamping drilling bit, and the other end is provided with outer-hexagonal portion, and outer-hexagonal parts are provided with the arc groove corresponding with drive sleeve groove;
Described drive sleeve is connected with screwdriver bit with one end of inner hexagonal hole, and the other end is connected with elasticity drill bit extension bar, and described elasticity drill bit extension bar is connected with electric tool.
2. combination tool as claimed in claim 1, is characterized in that, described elasticity three-jaw clamping part is corresponding with the three-jaw clamping part of electric tool, and the cylindrical central part of three jaws of described elasticity three-jaw clamping part is provided with clamping face.
3. combination tool as claimed in claim 2, is characterized in that, described clamping face comprises: plane, V-type face and interior concaved circular cambered surface.
4. combination tool as claimed in claim 1, is characterized in that, endoporus and the cylindrical of described elasticity drill bit extension bar are concentric, and the barrel thickness of elastic cylinder is identical.
5. combination tool as claimed in claim 1, is characterized in that, the clamping drilling bit face of every jaw of described elasticity three-jaw clamping part is an arc surface.
6. combination tool as claimed in claim 1, is characterized in that, described combination tool is made by high elastic modulus alloy steel.
7. combination tool as claimed in claim 1, is characterized in that, the front end of elasticity three-jaw clamping part is provided with an arc groove.
8. the combination tool as described in claim 1~7 any one, is characterized in that, the drill bit being connected with described combination tool is carpenter, ironworker or build work cement drill bit.
CN201420178082.4U 2014-04-14 2014-04-14 Combined tool capable of clamping drill bit and locking screw Expired - Fee Related CN203818107U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420178082.4U CN203818107U (en) 2014-04-14 2014-04-14 Combined tool capable of clamping drill bit and locking screw

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420178082.4U CN203818107U (en) 2014-04-14 2014-04-14 Combined tool capable of clamping drill bit and locking screw

Publications (1)

Publication Number Publication Date
CN203818107U true CN203818107U (en) 2014-09-10

Family

ID=51473650

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420178082.4U Expired - Fee Related CN203818107U (en) 2014-04-14 2014-04-14 Combined tool capable of clamping drill bit and locking screw

Country Status (1)

Country Link
CN (1) CN203818107U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105710416A (en) * 2014-12-18 2016-06-29 罗伯特·博世有限公司 Insertion type tool
CN108161423A (en) * 2018-02-07 2018-06-15 广东万家乐燃气具有限公司 A kind of assembly machine and gas heater

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105710416A (en) * 2014-12-18 2016-06-29 罗伯特·博世有限公司 Insertion type tool
CN108161423A (en) * 2018-02-07 2018-06-15 广东万家乐燃气具有限公司 A kind of assembly machine and gas heater

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C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: SHANGHAI KUAYANG INDUSTRIAL CO., LTD.

Free format text: FORMER OWNER: YOU MINGSI

Effective date: 20150505

C41 Transfer of patent application or patent right or utility model
COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: TAIWAN, CHINA TO: 201100 MINHANG, SHANGHAI

TR01 Transfer of patent right

Effective date of registration: 20150505

Address after: 201100, room 2, building 889, seven Xin Xin Road, Shanghai, Minhang District, China

Patentee after: Shanghai is across positive Industrial Co., Ltd.

Address before: Taiwan, China Taipei Datong District, Lanzhou street, No. 1, building 57

Patentee before: You Mingsi

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140910

Termination date: 20160414

CF01 Termination of patent right due to non-payment of annual fee