CN209273313U - A kind of Telescopic screwdriver - Google Patents

A kind of Telescopic screwdriver Download PDF

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Publication number
CN209273313U
CN209273313U CN201821664729.9U CN201821664729U CN209273313U CN 209273313 U CN209273313 U CN 209273313U CN 201821664729 U CN201821664729 U CN 201821664729U CN 209273313 U CN209273313 U CN 209273313U
Authority
CN
China
Prior art keywords
mobile jib
screwdriver
screwdriver mobile
screw
handle
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
Application number
CN201821664729.9U
Other languages
Chinese (zh)
Inventor
雷斌
温乐
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.)
Lanzhou Jiaotong University
Original Assignee
Lanzhou Jiaotong University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Lanzhou Jiaotong University filed Critical Lanzhou Jiaotong University
Priority to CN201821664729.9U priority Critical patent/CN209273313U/en
Application granted granted Critical
Publication of CN209273313U publication Critical patent/CN209273313U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a kind of Telescopic screwdriver, including link together screwdriver mobile jib, screw driver handle and there is ferromagnetic driver bit.One end of screw driver handle is equipped with handle end cap, interior to be equipped with threaded hole;Screwdriver mobile jib includes the first, second, third screwdriver mobile jib;The inside of first screwdriver mobile jib and the second screwdriver mobile jib is equipped with containing cavities;One end of first screwdriver mobile jib is connected with screw driver handle, and the other end is connected with the second screwdriver mobile jib, which is connected with third screwdriver mobile jib;One end of third screwdriver mobile jib is equipped with driver bit mounting hole, is equipped with driver bit in the driver bit mounting hole;It is respectively equipped with spring on second screwdriver mobile jib and third screwdriver mobile jib, the end of the spring is connected with collision bead pin;Limit hole corresponding with collision bead pin is respectively equipped on first screwdriver mobile jib and the second screwdriver mobile jib.Utility model works are high-efficient, can adapt to the operating environment of different spaces size.

Description

A kind of Telescopic screwdriver
Technical field
The utility model relates to a kind of hardware tools, more particularly, to a kind of Telescopic screwdriver.
Background technique
Currently, staff when operation, needs frequently more in different size of space in order to adapt to different operating environment The screwdriver for changing different length not only bad for the raising of working efficiency, but also needs to carry the screw of a large amount of different lengths Knife can also can not carry out activity due to the length of screwdriver is unsatisfactory for requirement sometimes.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of reduction operation difficulty, improve stretching for working efficiency Contracting screwdriver.
To solve the above problems, a kind of Telescopic screwdriver described in the utility model, including the screw to link together Knife mobile jib, screw driver handle and have ferromagnetic driver bit;One end of the screw driver handle is equipped with handle end cap, in Equipped with threaded hole, it is characterised in that: the screwdriver mobile jib includes the first screwdriver mobile jib, the second screwdriver mobile jib, third spiral shell Silk knife mobile jib;The inside of the first screwdriver mobile jib and the second screwdriver mobile jib is equipped with containing cavities;First spiral shell One end of silk knife mobile jib is connected with the screw driver handle, and the other end is connected with the second screwdriver mobile jib, second spiral shell Silk knife mobile jib is connected with the third screwdriver mobile jib;One end of the third screwdriver mobile jib is equipped with driver bit mounting hole, The driver bit is equipped in the driver bit mounting hole;Divide on the second screwdriver mobile jib and the third screwdriver mobile jib Not She You spring, the end of the spring is connected with collision bead pin;Divide on the first screwdriver mobile jib and the second screwdriver mobile jib It She You not limit hole corresponding with the collision bead pin.
The handle end cap is connected through a screw thread with the screw driver handle.
One end of the first screwdriver mobile jib is connected by active screw with the threaded hole, the threaded hole and described the The joint of one screwdriver mobile jib is equipped with the first limiting device that inner cavity is in regular hexagon.
The second screwdriver mobile jib is plugged in the containing cavities of the first screwdriver mobile jib, the second screwdriver mobile jib Containing cavities in be plugged with the third screwdriver mobile jib.
Be connected on the first screwdriver mobile jib with the second screwdriver mobile jib one end, the second screwdriver mobile jib The upper one end that is connected with the third screwdriver mobile jib is respectively equipped with the second limiting device that inner cavity is in regular hexagon.
Be connected on the second screwdriver mobile jib with the first screwdriver mobile jib one end, the third screwdriver mobile jib The upper one end that is connected with the second screwdriver mobile jib is respectively equipped with third limiting device.
The end of the collision bead pin matches with the limit hole.
The third screwdriver mobile jib and the driver bit one end that is connected with the third screwdriver mobile jib are in just Hexagon.
Compared with the prior art, the utility model has the following advantages:
1, screwdriver mobile jib includes the first screwdriver mobile jib being plugged in together, the second screwdriver master in the utility model Bar, third screwdriver mobile jib, and the inside of the first screwdriver mobile jib and the second screwdriver mobile jib is equipped with containing cavities, therefore, energy Enough operating environments that different spaces size is adapted to according to actual needs adjusting screw knife length, reduce operation difficulty, Jin Erti High working efficiency.
2, driver bit has ferromagnetism in the utility model, and replacement is convenient, and screw needed for adsorbable operation.
3, in the utility model driver bit be replaced by the different types such as a word, cross, star, ▲ type, interior hexagonal with And various sizes of driver bit, staff do not need to carry the screwdriver of a large amount of different length, reduce staff Carrying tool quantity.
4, the utility model structure is simple, easy to operate, and low cost, space occupied is small, application easy to spread.
Detailed description of the invention
Specific embodiment of the present utility model is described in further detail with reference to the accompanying drawing.
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the cross-sectional view of screw driver handle in the utility model.
Fig. 3 is the first screwdriver mobile jib and the second screwdriver mobile jib and the second screwdriver mobile jib and third in the utility model Cross-sectional view (the first screwdriver mobile jib and the second screwdriver mobile jib and the second screwdriver of the limiting device of screwdriver mobile jib junction Mobile jib is identical as the limit device structure of third screwdriver mobile jib junction).
Fig. 4 is that collision bead pin is acted on by the elastic force of spring thereafter and popped up in the utility model, shuts section view when limit hole Figure.
Fig. 5 is when driver bit is plugged in the driver bit mounting hole of third screwdriver mobile jib one end in the utility model Cross-sectional view.
In figure: 1-driver bit;2-third screwdriver mobile jibs;3-the second screwdriver mobile jib;4-the first screwdriver master Bar;5-screw driver handles;6-handle end caps;7-threaded holes;8-the first limiting device;9-active screws;10-the second limit Position device;11-third limiting devices;12-collision bead pins;13-limit holes;14-driver bit mounting holes.
Specific embodiment
As shown in Fig. 1 ~ 5, a kind of Telescopic screwdriver, including screwdriver mobile jib, 5 and of screw driver handle to link together With ferromagnetic driver bit 1.One end of screw driver handle 5 is equipped with handle end cap 6, interior to be equipped with threaded hole 7;Screwdriver master Bar includes the first screwdriver mobile jib 4, the second screwdriver mobile jib 3, third screwdriver mobile jib 2;First screwdriver mobile jib 4 and the second spiral shell The inside of silk knife mobile jib 3 is equipped with containing cavities;One end of first screwdriver mobile jib 4 is connected with screw driver handle 5, the other end with Second screwdriver mobile jib 3 is connected, which is connected with third screwdriver mobile jib 2;Third screwdriver mobile jib 2 One end is equipped with driver bit mounting hole 14, is equipped with driver bit 1 in the driver bit mounting hole 14;Second screwdriver mobile jib 3 with It is respectively equipped with spring on third screwdriver mobile jib 2, the end of the spring is connected with collision bead pin 12;First screwdriver mobile jib 4 and second Limit hole 13 corresponding with collision bead pin 12 is respectively equipped on screwdriver mobile jib 3.
Wherein: handle end cap 6 is connected through a screw thread with screw driver handle 5.
One end of first screwdriver mobile jib 4 is connected by active screw 9 with threaded hole 7, the threaded hole 7 and the first screwdriver The joint of mobile jib 4 is equipped with the first limiting device 8 that inner cavity is in regular hexagon.
The second screwdriver mobile jib 3 is plugged in the containing cavities of first screwdriver mobile jib 4, the receipts of the second screwdriver mobile jib 3 It receives and intracavitary is plugged with third screwdriver mobile jib 2.
Be connected on first screwdriver mobile jib 4 with the second screwdriver mobile jib 3 one end, on the second screwdriver mobile jib 3 with third Screwdriver mobile jib 2 be connected one end be respectively equipped with inner cavity be in regular hexagon the second limiting device 10.
Be connected on second screwdriver mobile jib 3 with the first screwdriver mobile jib 4 one end, on third screwdriver mobile jib 2 with second The one end that is connected of screwdriver mobile jib 3 is respectively equipped with third limiting device 11.
The end of collision bead pin 12 matches with limit hole 13.
Third screwdriver mobile jib 2 and driver bit 1 one end that is connected with third screwdriver mobile jib 2 are in regular hexagon.
5 internal thread holes 7 of screw driver handle, active screw 9, the first screwdriver mobile jib 4, the second screwdriver mobile jib 3, third Screwdriver mobile jib 2 and driver bit 1 are steel structure.
When needing the screwdriver using short length:
Second screwdriver mobile jib 3 is retracted to bottom with third screwdriver mobile jib 2, adjusts movable screw in threaded hole 7 at this time The screwdriver for meeting and needing length can be obtained to close to 6 one end of handle end cap in nail 9.
When needing the screwdriver using long length:
1. the second screwdriver mobile jib 3 is retracted to bottom with third screwdriver mobile jib 2, activity in threaded hole 7 is adjusted at this time The screwdriver of a long length can be obtained to close to 8 one end of the first limiting device in screw 9;
2. 11 meeting of third limiting device by the second screwdriver mobile jib 3 elongation to maximum length, on the second screwdriver mobile jib 3 It is limited by the second limiting device 10 in 4 containing cavities of the first screwdriver mobile jib and can not continue to extend, at this time the second screwdriver Collision bead pin 12 on mobile jib 3 can be directed at the limit hole 13 on the first screwdriver mobile jib 4 just.Bullet of the collision bead pin 12 by spring thereafter Power is acted on and is popped up, and is shut limit hole 13, is achieved the purpose that limit.Active screw 9 is adjusted in threaded hole 7 to suitable position, One longer length of this Telescopic screwdriver can be obtained;
3. step 2. as described in by the elongation of the second screwdriver mobile jib 3 to maximum length, and third screwdriver mobile jib 2 is stretched It is long to maximum length, third limiting device 11 on third screwdriver mobile jib 2 can be by the in 3 containing cavities of the second screwdriver mobile jib Two limiting devices 10 limit and can not continue to extend, and the collision bead pin 12 on third screwdriver mobile jib 2 can be directed at just at this time Limit hole 13 on two-screw knife mobile jib 3.Collision bead pin 12 is acted on by the elastic force of spring thereafter and is popped up, and is shut limit hole 13, is reached To the purpose of limit.At this point, adjust in threaded hole 7 active screw 9 to suitable position, can be obtained compared with step 2. longer length Degree.
When needing to shorten the third screwdriver mobile jib 2 of elongation, the second screwdriver mobile jib 3:
Press...with one's finger dynamic second screwdriver mobile jib 3 and the collision bead pin 12 on third screwdriver mobile jib 2, while firmly will elongation The second screwdriver mobile jib 3 withdrawn with third screwdriver mobile jib 2.
When needing replacing driver bit:
Existing driver bit 1 is extracted from driver bit mounting hole 14, by the insertion driver bit installation of required driver bit 1 In hole 14.
The above is only the preferred embodiment of the utility model, not imposes any restrictions to the utility model, all According to any simple modification to the above embodiments of the utility model technical spirit, change, the guarantor of the utility model is still fallen within It protects in range.

Claims (2)

1. a kind of Telescopic screwdriver, including link together screwdriver mobile jib, screw driver handle (5) and have ferromagnetic Driver bit (1);One end of the screw driver handle (5) is equipped with handle end cap (6), and interior to be equipped with threaded hole (7), feature exists In: the screwdriver mobile jib includes the first screwdriver mobile jib (4), the second screwdriver mobile jib (3), third screwdriver mobile jib (2);Institute The inside for stating the first screwdriver mobile jib (4) and the second screwdriver mobile jib (3) is equipped with containing cavities;The first screwdriver master One end of bar (4) is connected with the screw driver handle (5), and the other end is connected with the second screwdriver mobile jib (3), this second Screwdriver mobile jib (3) is connected with the third screwdriver mobile jib (2);One end of the third screwdriver mobile jib (2) is equipped with screw Cutter head mounting hole (14), the driver bit mounting hole (14) is interior to be equipped with the driver bit (1);The second screwdriver mobile jib (3) and it is respectively equipped with spring on the third screwdriver mobile jib (2), the end of the spring is connected with collision bead pin (12);Described first Limit hole corresponding with collision bead pin (12) is respectively equipped on screwdriver mobile jib (4) and the second screwdriver mobile jib (3) (13);One end of the first screwdriver mobile jib (4) is connected by active screw (9) with the threaded hole (7), the threaded hole (7) the first limiting device (8) that inner cavity is in regular hexagon is equipped with the joint of the first screwdriver mobile jib (4);Described The second screwdriver mobile jib (3), the receipts of the second screwdriver mobile jib (3) are plugged in the containing cavities of one screwdriver mobile jib (4) It receives and intracavitary is plugged with the third screwdriver mobile jib (2);On the first screwdriver mobile jib (4) with the second screwdriver mobile jib (3) be connected one end, the one end that is connected on the second screwdriver mobile jib (3) with the third screwdriver mobile jib (2) is set respectively Having inner cavity is in the second limiting device (10) of regular hexagon;On the second screwdriver mobile jib (3) with the first screwdriver master Bar (4) be connected one end, be connected on the third screwdriver mobile jib (2) one end difference with the second screwdriver mobile jib (3) Equipped with third limiting device (11);The end of the collision bead pin (12) matches with the limit hole (13);The third screw Knife mobile jib (2) and the driver bit (1) one end that is connected with the third screwdriver mobile jib (2) are in regular hexagon.
2. a kind of Telescopic screwdriver as described in claim 1, it is characterised in that: the handle end cap (6) and the screw Knife handle (5) is connected through a screw thread.
CN201821664729.9U 2018-10-15 2018-10-15 A kind of Telescopic screwdriver Expired - Fee Related CN209273313U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821664729.9U CN209273313U (en) 2018-10-15 2018-10-15 A kind of Telescopic screwdriver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821664729.9U CN209273313U (en) 2018-10-15 2018-10-15 A kind of Telescopic screwdriver

Publications (1)

Publication Number Publication Date
CN209273313U true CN209273313U (en) 2019-08-20

Family

ID=67604689

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821664729.9U Expired - Fee Related CN209273313U (en) 2018-10-15 2018-10-15 A kind of Telescopic screwdriver

Country Status (1)

Country Link
CN (1) CN209273313U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113146527A (en) * 2021-04-12 2021-07-23 南昌大学 Multi-size telescopic labor-saving screwdriver

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113146527A (en) * 2021-04-12 2021-07-23 南昌大学 Multi-size telescopic labor-saving screwdriver

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190820

Termination date: 20201015