CN204108915U - A kind of antioverloading screwdriver - Google Patents

A kind of antioverloading screwdriver Download PDF

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Publication number
CN204108915U
CN204108915U CN201420569741.7U CN201420569741U CN204108915U CN 204108915 U CN204108915 U CN 204108915U CN 201420569741 U CN201420569741 U CN 201420569741U CN 204108915 U CN204108915 U CN 204108915U
Authority
CN
China
Prior art keywords
screw
rod
slide block
driver bit
annular groove
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
CN201420569741.7U
Other languages
Chinese (zh)
Inventor
林群富
Original Assignee
林群富
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 林群富 filed Critical 林群富
Priority to CN201420569741.7U priority Critical patent/CN204108915U/en
Application granted granted Critical
Publication of CN204108915U publication Critical patent/CN204108915U/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 antioverloading screwdriver, comprises handle, connecting rod, circular hole, screw hole, trip bolt, spring, slide block, annular groove, driver bit.The utility model structure is simple, easy to use, when carrying out dismounting to screw and being fastening, when screwdriver reaches certain limit to screw applied force square, driver bit just can skid, thus can effectively prevent from, because moment is excessive and cause screw to damage, so not only reducing use cost, and the labour intensity of workmen can be reduced, be conducive to increasing work efficiency.

Description

A kind of antioverloading screwdriver
Technical field
The utility model relates to a kind of screwdriver, and specifically a kind of antioverloading screwdriver, belongs to machine tool technical field.
Background technology
Often need to use screwdriver to carry out dismounting and fastening to screw in machine work.At present in the polygonal structure of producing and in life, the groove of widely used screw is mostly rule, because workmen carries out dismantling and being difficult to control moment exactly in fastening process to screw at use screwdriver, often easily exceed the maximum moment that screw can carry, the groove of screw head is caused to damage, cause screwdriver to skid, bring unnecessary trouble to machine work.
Although can measure exactly at the digital force moment screw cutter produced and use in life at present and read the moment that screw carries, due to the expensive and poor reliability of digital force moment screw cutter, cannot use in machine work on a large scale.Therefore can effectively prevent moment excessive and the screwdriver causing screw to damage in the urgent need to a kind of.
Summary of the invention
The technical problems to be solved in the utility model is: provide a kind of structure simple, easy to use, and the antioverloading screwdriver that can effectively prevent moment excessive and cause screw to damage.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of antioverloading screwdriver, comprise handle, connecting rod, circular hole, screw hole, trip bolt, spring, slide block, annular groove, driver bit, it is characterized in that: one end of described connecting rod is fixedly connected with the middle part of handle is vertical, connecting rod is provided with circular hole, the lower end of connecting rod is provided with screw hole, trip bolt is provided with in screw hole, spring and slide block is provided with in circular hole, annular groove on slide block, trip bolt embeds after through the screw hole being arranged on connecting rod lower end in the annular groove that is arranged on slide block, the top of driver bit is fixedly connected with one end of slide block.
The drift of described spring is greater than the length of described driver bit.
The width of described annular groove is greater than the diameter of the screw rod of described trip bolt.
The profile of described handle, connecting rod is cylindrical structural.
Described trip bolt embeds after through the screw hole being arranged on connecting rod lower end in the annular groove that is arranged on slide block, and effect is fixed in circular hole by slide block.
The drift of described spring is greater than the length of described connecting rod.
The length of described connecting rod is greater than the length of described driver bit.
After in described spring enters and is arranged on connecting rod circular hole, slide block also enters in the circular hole that is arranged on connecting rod, and trip bolt embeds after through the screw hole being arranged on connecting rod lower end in the annular groove that is arranged on slide block simultaneously, is fixed in connecting rod by slide block.
Compared with prior art, the utility model has following beneficial effect: structure is simple, easy to use, when carrying out dismounting to screw and being fastening, when screwdriver reaches certain limit to screw applied force square, driver bit just can skid, thus can effectively prevent because moment is excessive and cause screw to damage, so not only can reduce use cost, and the labour intensity of workmen can be reduced, be conducive to increasing work efficiency.
Accompanying drawing explanation
Fig. 1 is perspective view of the present utility model.
Fig. 2 is stereochemical structure exploded perspective view of the present utility model.
In figure: 1-handle, 2-connecting rod, 3-circular hole, 4-screw hole, 5-trip bolt, 6-spring, 7-slide block, 8-annular groove, 9-driver bit.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As depicted in figs. 1 and 2, a kind of antioverloading screwdriver, comprise handle 1, connecting rod 2, circular hole 3, screw hole 4, trip bolt 5, spring 6, slide block 7, annular groove 8, driver bit 9, it is characterized in that: one end of described connecting rod 2 is fixedly connected with the middle part of handle 1 is vertical, connecting rod 2 is provided with circular hole 3, the lower end of connecting rod 2 is provided with screw hole 4, trip bolt 5 is provided with in screw hole 4, spring 6 and slide block 7 is provided with in circular hole 3, annular groove 8 on slide block 7, trip bolt 5 embeds after through the screw hole 4 being arranged on connecting rod 2 lower end in the annular groove 8 that is arranged on slide block 7, the top of driver bit 9 is fixedly connected with one end of slide block 7.
The drift of described spring 6 is greater than the length of described driver bit 9.
The width of described annular groove 8 is greater than the diameter of the screw rod of described trip bolt 5.
The profile of described handle 1, connecting rod 2 is cylindrical structural.
Described trip bolt 5 embeds after through the screw hole 4 being arranged on connecting rod 2 lower end in the annular groove 8 that is arranged on slide block 7, and effect is fixed in circular hole 3 by slide block 7.
The drift of described spring 6 is greater than the length of described connecting rod 2.
The length of described connecting rod 2 is greater than the length of described driver bit 9.
Described spring 6 enters and is arranged on after in circular hole on connecting rod 23, slide block 7 also enters in the circular hole 3 that is arranged on connecting rod 2, trip bolt 5 is being arranged in the annular groove 8 on slide block 7 through the rear embedding of the screw hole 4 being arranged on connecting rod 2 lower end simultaneously, is fixed in connecting rod 2 by slide block 7.
When needs carry out dismounting to screw and are fastening, being aimed at by driver bit 9 and embedding needs to be disassembled with in the groove of fastening screw, then turning handle 1 can carry out dismounting and fastening to screw, when moment is greater than the frictional force at spring 6 pairs of slide block 7 tops, slide block 7 just can skid in the connecting rod 2 being provided with circular hole 3, now increase moment in any case and all can not carry out dismounting and fastening to screw again, thus can effectively prevent because moment is excessive and cause screw to damage.
The above is preferred embodiment of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications are also considered as protection domain of the present utility model.

Claims (2)

1. an antioverloading screwdriver, comprise handle (1), connecting rod (2), circular hole (3), screw hole (4), trip bolt (5), spring (6), slide block (7), annular groove (8), driver bit (9), it is characterized in that: one end of described connecting rod (2) is fixedly connected with the middle part of handle (1) is vertical, connecting rod (2) is provided with circular hole (3), the lower end of connecting rod (2) is provided with screw hole (4), trip bolt (5) is provided with in screw hole (4), spring (6) and slide block (7) is provided with in circular hole (3), the upper annular groove (8) of slide block (7), trip bolt (5) is embedding in the annular groove (8) be arranged on slide block (7) afterwards through the screw hole (4) being arranged on connecting rod (2) lower end, the top of driver bit (9) is fixedly connected with one end of slide block (7).
2. a kind of antioverloading screwdriver according to claim 1, is characterized in that: the drift of described spring (6) is greater than the length of described driver bit (9).
CN201420569741.7U 2014-09-23 2014-09-23 A kind of antioverloading screwdriver Expired - Fee Related CN204108915U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420569741.7U CN204108915U (en) 2014-09-23 2014-09-23 A kind of antioverloading screwdriver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420569741.7U CN204108915U (en) 2014-09-23 2014-09-23 A kind of antioverloading screwdriver

Publications (1)

Publication Number Publication Date
CN204108915U true CN204108915U (en) 2015-01-21

Family

ID=52326270

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420569741.7U Expired - Fee Related CN204108915U (en) 2014-09-23 2014-09-23 A kind of antioverloading screwdriver

Country Status (1)

Country Link
CN (1) CN204108915U (en)

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
EXPY Termination of patent right or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150121

Termination date: 20150923