CN204397762U - The adjustable antioverloading screwdriver of a kind of T-shaped load of telescopic handle - Google Patents

The adjustable antioverloading screwdriver of a kind of T-shaped load of telescopic handle Download PDF

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Publication number
CN204397762U
CN204397762U CN201520037591.XU CN201520037591U CN204397762U CN 204397762 U CN204397762 U CN 204397762U CN 201520037591 U CN201520037591 U CN 201520037591U CN 204397762 U CN204397762 U CN 204397762U
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CN
China
Prior art keywords
handle
hole
screw
bolt
telescopic handle
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Expired - Fee Related
Application number
CN201520037591.XU
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Chinese (zh)
Inventor
林群富
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林群富
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Priority to CN201520037591.XU priority Critical patent/CN204397762U/en
Application granted granted Critical
Publication of CN204397762U publication Critical patent/CN204397762U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model relates to the adjustable antioverloading screwdriver of the T-shaped load of a kind of telescopic handle, comprises handle, tapped through hole, screw rod, knob, coupling bar, little annular groove, trip bolt, connecting rod, circular hole, bolt hole, bolt, slide block, screw hole, connection holes, spring, base, large annular groove, driver bit, Telescopic handle, handle socket.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 because moment is excessive and cause screw to damage, and the size of the maximum moment of its load can be changed, so not only can reduce use cost, and the labour intensity of workmen can be reduced, be conducive to increasing work efficiency.

Description

The adjustable antioverloading screwdriver of a kind of T-shaped load of telescopic handle
Technical field
The utility model relates to a kind of screwdriver, and specifically the adjustable antioverloading screwdriver of the T-shaped load of a kind of telescopic handle, 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 can effectively prevent moment excessive and the adjustable antioverloading screwdriver of the T-shaped load of telescopic handle that is that cause screw to damage.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: the adjustable antioverloading screwdriver of the T-shaped load of a kind of telescopic handle, comprises handle, tapped through hole, screw rod, knob, coupling bar, little annular groove, trip bolt, connecting rod, circular hole, bolt hole, bolt, slide block, screw hole, connection holes, spring, base, large annular groove, driver bit, Telescopic handle, handle socket, it is characterized in that: the middle part of described handle is provided with tapped through hole, screw rod is provided with in tapped through hole, the upper end of screw rod is provided with knob, the lower end of screw rod is provided with coupling bar, coupling bar is provided with little annular groove, one end of screw rod is fixedly connected with one end of knob, the other end of screw rod is fixedly connected with one end of coupling bar, one end of connecting rod is fixedly connected with the middle part of handle is vertical, circular hole is provided with in connecting rod, the lower end of connecting rod is provided with bolt hole, bolt is provided with in bolt hole, slide block is provided with in connecting rod, slide block is provided with screw hole, trip bolt is provided with in screw hole, the top of slide block is provided with connection holes, spring and base is provided with in connecting rod, the outer wall of base is provided with large annular groove, coupling bar is when entering connection holes, the screw rod embedding of trip bolt is arranged in the little annular groove on coupling bar, coupling bar is fixed in connection holes, base is when entering in connecting rod, the screw rod of bolt embeds the outer wall being arranged on base and is provided with in large annular groove, base is fixed in connecting rod, one end of base is fixedly connected with the top of driver bit, the outside of handle is provided with Telescopic handle, handle socket is provided with in Telescopic handle, Telescopic handle is provided with bolt hole, after one end of handle enters the handle socket be arranged in Telescopic handle, bolt is through the bolt hole be arranged on Telescopic handle, Telescopic handle is fixed on the outside of handle.
The length of described handle is greater than the length of described Telescopic handle.
The diameter of described circular hole is greater than the diameter of described base.
The length of described connecting rod is greater than the length of described screw rod.
The length of described connecting rod is greater than the drift of described spring.
The length of described connecting rod is greater than the length of described base.
The length of described connecting rod is greater than the length of described slide block.
The length of described screw rod is greater than the height of described knob.
The drift of described spring is greater than the length of described slide block.
Described screw rod and coupling bar are entering after in connecting rod through the tapped through hole be arranged in the middle part of handle, and coupling bar is connected with the connection holes being arranged on slider top.
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, and the size of the maximum moment of its load can be changed, so not only use cost can be reduced, 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 decomposing schematic representation of the present utility model.
Fig. 3 is another stereochemical structure decomposing schematic representation of the present utility model.
Fig. 4 is the perspective view of handle 1 in the utility model.
Fig. 5 is the perspective view of slide block 12 in the utility model.
Fig. 6 is the perspective view of bolt 11 and Telescopic handle 19 in the utility model.
In figure: 1-handle, 2-tapped through hole, 3-screw rod, 4-knob, 5-coupling bar, the little annular groove of 6-, 7-trip bolt, 8-connecting rod, 9-circular hole, 10-bolt hole, 11-bolt, 12-slide block, 13-screw hole, 14-connection holes, 15-spring, 16-base, the large annular groove of 17-, 18-driver bit, 19-Telescopic handle, 20-handle socket.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Fig. 5 and Fig. 6, the adjustable antioverloading screwdriver of the T-shaped load of a kind of telescopic handle, comprises handle 1, tapped through hole 2, screw rod 3, knob 4, coupling bar 5, little annular groove 6, trip bolt 7, connecting rod 8, circular hole 9, bolt hole 10, bolt 11, slide block 12, screw hole 13, connection holes 14, spring 15, base 16, large annular groove 17, driver bit 18, Telescopic handle 19, handle socket 20, it is characterized in that: the middle part of described handle 1 is provided with tapped through hole 2, screw rod 3 is provided with in tapped through hole 2, the upper end of screw rod 3 is provided with knob 4, the lower end of screw rod 3 is provided with coupling bar 5, coupling bar 5 is provided with little annular groove 6, one end of screw rod 3 is fixedly connected with one end of knob 4, the other end of screw rod 3 is fixedly connected with one end of coupling bar 5, one end of connecting rod 8 is fixedly connected with the middle part of handle 1 is vertical, circular hole 9 is provided with in connecting rod 8, the lower end of connecting rod 8 is provided with bolt hole 10, bolt 11 is provided with in bolt hole 10, slide block 12 is provided with in connecting rod 8, slide block 12 is provided with screw hole 13, trip bolt 7 is provided with in screw hole 13, the top of slide block 12 is provided with connection holes 14, spring 15 and base 16 is provided with in connecting rod 8, the outer wall of base 16 is provided with large annular groove 17, coupling bar 5 is when entering connection holes 14, the screw rod embedding of trip bolt 7 is arranged in the little annular groove 6 on coupling bar 5, coupling bar 5 is fixed in connection holes 14, base 16 is when entering in connecting rod 8, the screw rod of bolt 11 embeds the outer wall being arranged on base 16 and is provided with in large annular groove 17, base 16 is fixed in connecting rod 8, one end of base 16 is fixedly connected with the top of driver bit 18, the outside of handle 1 is provided with Telescopic handle 19, handle socket 20 is provided with in Telescopic handle 19, Telescopic handle 19 is provided with bolt hole 10, after one end of handle 1 enters the handle socket 20 be arranged in Telescopic handle 19, bolt 11 is through the bolt hole 10 be arranged on Telescopic handle 19, Telescopic handle 19 is fixed on the outside of handle 1.
The length of described handle 1 is greater than the length of described Telescopic handle 19.
The diameter of described circular hole 9 is greater than the diameter of described base 16.
The length of described connecting rod 8 is greater than the length of described screw rod 3.
The length of described connecting rod 8 is greater than the drift of described spring 15.
The length of described connecting rod 8 is greater than the length of described base 16.
The length of described connecting rod 8 is greater than the length of described slide block 12.
The length of described screw rod 3 is greater than the height of described knob 4.
The drift of described spring 15 is greater than the length of described slide block 12.
Described screw rod 3 and coupling bar 5 are entering after in connecting rod 8 through the tapped through hole 2 be arranged in the middle part of handle 1, and coupling bar 5 is connected with the connection holes 14 being arranged on slide block 12 top.
When needs carry out dismounting to screw and are fastening, being aimed at by driver bit 18 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 the top of spring 15 pairs of bases 16, base 16 just can skid in connecting rod 8, 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.
When need to regulate its can the size of maximum moment of load time, by turn knobs 4 change length that screw rod 3 stretches into connecting rod 8 change spring 15 by the degree compressed can change its can the size of maximum moment of load.
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. the adjustable antioverloading screwdriver of the T-shaped load of telescopic handle, comprise handle (1), tapped through hole (2), screw rod (3), knob (4), coupling bar (5), little annular groove (6), trip bolt (7), connecting rod (8), circular hole (9), bolt hole (10), bolt (11), slide block (12), screw hole (13), connection holes (14), spring (15), base (16), large annular groove (17), driver bit (18), Telescopic handle (19), handle socket (20), it is characterized in that: the middle part of described handle (1) is provided with tapped through hole (2), screw rod (3) is provided with in tapped through hole (2), the upper end of screw rod (3) is provided with knob (4), the lower end of screw rod (3) is provided with coupling bar (5), coupling bar (5) is provided with little annular groove (6), one end of screw rod (3) is fixedly connected with one end of knob (4), the other end of screw rod (3) is fixedly connected with one end of coupling bar (5), one end of connecting rod (8) is fixedly connected with the middle part of handle (1) is vertical, circular hole (9) is provided with in connecting rod (8), the lower end of connecting rod (8) is provided with bolt hole (10), bolt (11) is provided with in bolt hole (10), slide block (12) is provided with in connecting rod (8), slide block (12) is provided with screw hole (13), trip bolt (7) is provided with in screw hole (13), the top of slide block (12) is provided with connection holes (14), spring (15) and base (16) is provided with in connecting rod (8), the outer wall of base (16) is provided with large annular groove (17), coupling bar (5) is when entering connection holes (14), the screw rod embedding of trip bolt (7) is arranged in the little annular groove (6) on coupling bar (5), coupling bar (5) is fixed in connection holes (14), base (16) is when entering in connecting rod (8), the screw rod of bolt (11) embeds the outer wall being arranged on base (16) and is provided with in large annular groove (17), base (16) is fixed in connecting rod (8), one end of base (16) is fixedly connected with the top of driver bit (18), the outside of handle (1) is provided with Telescopic handle (19), handle socket (20) is provided with in Telescopic handle (19), Telescopic handle (19) is provided with bolt hole (10), after one end of handle (1) enters the handle socket (20) be arranged in Telescopic handle (19), bolt (11) is through the bolt hole (10) be arranged on Telescopic handle (19), Telescopic handle (19) is fixed on the outside of handle (1).
2. the adjustable antioverloading screwdriver of the T-shaped load of a kind of telescopic handle according to claim 1, is characterized in that: the length of described handle (1) is greater than the length of described Telescopic handle (19).
CN201520037591.XU 2015-01-20 2015-01-20 The adjustable antioverloading screwdriver of a kind of T-shaped load of telescopic handle Expired - Fee Related CN204397762U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520037591.XU CN204397762U (en) 2015-01-20 2015-01-20 The adjustable antioverloading screwdriver of a kind of T-shaped load of telescopic handle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520037591.XU CN204397762U (en) 2015-01-20 2015-01-20 The adjustable antioverloading screwdriver of a kind of T-shaped load of telescopic handle

Publications (1)

Publication Number Publication Date
CN204397762U true CN204397762U (en) 2015-06-17

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520037591.XU Expired - Fee Related CN204397762U (en) 2015-01-20 2015-01-20 The adjustable antioverloading screwdriver of a kind of T-shaped load of telescopic handle

Country Status (1)

Country Link
CN (1) CN204397762U (en)

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

Granted publication date: 20150617

Termination date: 20160120

EXPY Termination of patent right or utility model