CN201399757Y - Retractable screwdriver - Google Patents
Retractable screwdriver Download PDFInfo
- Publication number
- CN201399757Y CN201399757Y CN2009200200360U CN200920020036U CN201399757Y CN 201399757 Y CN201399757 Y CN 201399757Y CN 2009200200360 U CN2009200200360 U CN 2009200200360U CN 200920020036 U CN200920020036 U CN 200920020036U CN 201399757 Y CN201399757 Y CN 201399757Y
- Authority
- CN
- China
- Prior art keywords
- screwdriver
- rod
- handle
- trip
- extension rod
- 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
Links
Images
Abstract
The utility model discloses a retractable screwdriver, which belongs to a tool. The screwdriver comprises a handle and a screwdriver rod; the screwdriver rod is provided with an extension rod and a rod sleeve, and the extension rod is provided with a screwdriver blade, and is inserted in the rod sleeve, which is fixed on one end of the handle; the tail of the extension rod is provided with a radially retractable latch, the end of the rod sleeve is provided with a hole through which the latch can pass, moreover, the extended latch is provided with a limit part and a transition part, the lower contour line of the limit part is perpendicular to the wall of the hole, the transition part is curved or wedged upwards, wherein, the limit part is extended out of the wall of the rod sleeve when thelatch is extended out. The screwdriver with a simple structure can be used as a short-rod screwdriver as well as a long-rod screwdriver.
Description
(1) technical field
The utility model relates to a kind of screwdriver, belongs to a kind of instrument.
(2) background technology
Present screwdriver has two kinds on quarter butt screwdriver and stock screwdriver, and the scope of application of having nothing in common with each other also so respectively has the limitation of its use certainly.Therefore in actual use, often change screwdriver, very inconvenient.
(3) summary of the invention
Therefore, the utility model provides a kind of extension type screwdriver simple in structure at the above-mentioned defective of present prior art, makes it both can work as the quarter butt screwdriver and uses, and also can work as the stock screwdriver and use.
The technical solution adopted in the utility model is:
The telescopic screwdriver of the utility model comprises handle and screwdriver rod, and described screwdriver rod is by the bar cover of described handle one end of being fixed on of the extension rod that has driver bit and nested this extension rod; Wherein the extension rod afterbody is provided with the trip of expandable, described bar is enclosed within the end and then is provided with and is used for the hole that described trip stretches out, and described trip has the lower whorl profile perpendicular to the limiting section of the hole wall in described hole and the transition part of arc or wedge shape transition upwards when stretching out state, and wherein limiting section stretches out extension bar jacket wall under the state at described trip.
Above-mentioned telescopic screwdriver, described extension rod afterbody are provided with the wing of projection or are spline structure, and described bar is arranged with the groove that cooperates with it.
Described handle is provided with the lamp that is used to throw light at the screwdriver rod end, and the power supply of this lamp is arranged in the handle, and switch is positioned at handle one side or afterbody.
The utility model is borrowed the structure of umbrella expansion link, realizes the flexible of screwdriver rod, makes it variable length or shortens, and just can make the stock screwdriver and use, and also can make the quarter butt screwdriver and use.And consider that screwdriver rod will bear bigger moment of torsion under the screwdriver user mode, therefore, when described trip stretched out state, its limiting section was wanted the extension bar cover, was used for as the load parts.When the retraction of needs extension rod, limiting section need be pressed into, hold extension rod, and press trip, make the at first retraction of its limiting section, utilize the bar cover to act on component inside on the trip transition part then and make the trip retraction, use also very convenient.
(4) description of drawings
Fig. 1 is for being a kind of structural representation of the telescopic screwdriver of the utility model embodiment.
Fig. 2 is a kind of structural representation of trip.
Among the figure: 1, extension rod, 2, trip, 3, the wing, 4, groove, 5, the bar cover, 6, lamp, 7, handle, 8, transition part, 9, limiting section.
(5) specific embodiment
Specify the utility model below in conjunction with Figure of description:
With reference to the telescopic screwdriver of the attached Fig. 1 and 2 of explanation, it comprises handle 7 and screwdriver rod, it is characterized in that: described screwdriver rod is by the bar cover 5 of described handle one end of being fixed on of the extension rod 1 that has driver bit and nested this extension rod; Wherein the extension rod afterbody is provided with the trip 2 of expandable, described bar is enclosed within the end and then is provided with and is used for the hole that described trip stretches out, and described trip has the lower whorl profile perpendicular to the limiting section 9 of the hole wall in described hole and the transition part 8 of arc or wedge shape transition upwards when stretching out state, and wherein limiting section stretches out extension bar jacket wall under the state at described trip.
Can export bigger torque in order to make elongated portion, described extension rod afterbody is provided with the wing 3 of projection or is spline structure, described bar is arranged with it the groove 4 that cooperates, thereby what torque was provided is not only described trip fit structure, also comprises the above-mentioned wing or spline fitted structure.Certainly, select which kind of structure mainly to consider the size of cost and output torque, obviously, the wing or simple projection only are set, simple in structure, but output torque can be smaller, and with the inevitable cost height of spline structure, but it is big to export torque.
For the ease of using evening, described handle is provided with the lamp 6 that is used to throw light at the screwdriver rod end, and the power supply of this lamp is arranged in the handle, and switch is positioned at handle one side or afterbody.
Claims (3)
1. a telescopic screwdriver comprises handle (7) and screwdriver rod, it is characterized in that: described screwdriver rod has the extension rod (1) that has driver bit and the bar cover (5) that is fixed on described handle one end of nested this extension rod; Wherein the extension rod afterbody is provided with the trip (2) of expandable, described bar is enclosed within the end and then is provided with and is used for the hole that described trip stretches out, and described trip has the lower whorl profile perpendicular to the limiting section (9) of the hole wall in described hole and the transition part (8) of arc or wedge shape transition upwards when stretching out state, and wherein limiting section stretches out extension bar jacket wall under the state at described trip.
2. telescopic screwdriver according to claim 1 is characterized in that: described extension rod afterbody is provided with the wing (3) of projection or is spline structure, and described bar is arranged with the groove (4) that cooperates with it.
3. telescopic screwdriver according to claim 1 is characterized in that: described handle is provided with the lamp (6) that is used to throw light at the screwdriver rod end, and the power supply of this lamp is arranged in the handle, and switch is positioned at handle one side or afterbody.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200200360U CN201399757Y (en) | 2009-03-31 | 2009-03-31 | Retractable screwdriver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200200360U CN201399757Y (en) | 2009-03-31 | 2009-03-31 | Retractable screwdriver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201399757Y true CN201399757Y (en) | 2010-02-10 |
Family
ID=41659552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200200360U Expired - Fee Related CN201399757Y (en) | 2009-03-31 | 2009-03-31 | Retractable screwdriver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201399757Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107160317A (en) * | 2017-07-20 | 2017-09-15 | 太仓市微贯机电有限公司 | A kind of screwdriver being convenient for carrying |
| CN107378846A (en) * | 2017-07-20 | 2017-11-24 | 太仓市微贯机电有限公司 | A kind of Portable screwdriver |
-
2009
- 2009-03-31 CN CN2009200200360U patent/CN201399757Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107160317A (en) * | 2017-07-20 | 2017-09-15 | 太仓市微贯机电有限公司 | A kind of screwdriver being convenient for carrying |
| CN107378846A (en) * | 2017-07-20 | 2017-11-24 | 太仓市微贯机电有限公司 | A kind of Portable screwdriver |
| CN107160317B (en) * | 2017-07-20 | 2018-11-20 | 太仓市微贯机电有限公司 | A kind of screwdriver being convenient for carrying |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203471738U (en) | Multifunctional outdoor tool | |
| CN202941092U (en) | Shovel with extensible shovel handle | |
| CN201399757Y (en) | Retractable screwdriver | |
| CN205129783U (en) | Multi -functional adjustable electric power screwdriver | |
| CN205928408U (en) | Box spanner's cover cartridge head | |
| CN201953767U (en) | Self-tapping expansion screw | |
| CN201198859Y (en) | Multi-point clamping type expanding screws | |
| CN205765811U (en) | Power-assisted box spanner is taken in a kind of letter | |
| CN204081274U (en) | A kind of loop type adapter for building | |
| CN103753461A (en) | Combined wrench | |
| CN202399189U (en) | Screw driver capable of quickly replacing screwdriver head | |
| CN2646551Y (en) | Telescopic fluorescent lamp | |
| CN208163131U (en) | A kind of metal circular tube small punching machine | |
| CN203006830U (en) | Mechanical jack | |
| CN202805065U (en) | L rod | |
| CN202985519U (en) | Portable combination tool | |
| CN206732882U (en) | A kind of spanner for being used to dismount car door | |
| CN203357359U (en) | Foldable adjustable wrench | |
| CN201186419Y (en) | Telescopic screwdriver | |
| CN201363333Y (en) | Guide oil cylinder | |
| CN201696877U (en) | Telescopic flashlight | |
| CN206029705U (en) | Dismountable sleeve | |
| CN101722492A (en) | Spanner with adjustable handle | |
| CN205271863U (en) | Detachable combination wrench | |
| CN203092410U (en) | Spanner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100210 Termination date: 20100331 |