CN204397796U - The T-shaped screwdriver of a kind of telescopic handle antioverloading - Google Patents

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

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Publication number
CN204397796U
CN204397796U CN201520037479.6U CN201520037479U CN204397796U CN 204397796 U CN204397796 U CN 204397796U CN 201520037479 U CN201520037479 U CN 201520037479U CN 204397796 U CN204397796 U CN 204397796U
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CN
China
Prior art keywords
handle
screw
rod
telescopic handle
bolt
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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
CN201520037479.6U
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Chinese (zh)
Inventor
林群富
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林群富
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Priority to CN201520037479.6U priority Critical patent/CN204397796U/en
Application granted granted Critical
Publication of CN204397796U publication Critical patent/CN204397796U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to the T-shaped screwdriver of a kind of telescopic handle antioverloading, comprises handle, screw jack, connecting rod, guide rail, circular hole, screw hole, trip bolt, fixed block, coupling bar, slide block, Compress Spring, base, annular groove, bolt, nut, adjusting nut, spring, driver bit, Telescopic handle, handle socket, 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 T-shaped screwdriver of a kind of telescopic handle antioverloading
Technical field
The utility model relates to a kind of screwdriver, and specifically the T-shaped screwdriver of a kind of telescopic handle antioverloading, 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 T-shaped screwdriver of telescopic handle antioverloading 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: the T-shaped screwdriver of a kind of telescopic handle antioverloading, comprises handle, screw jack, connecting rod, guide rail, circular hole, screw hole, trip bolt, fixed block, coupling bar, slide block, Compress Spring, base, annular groove, bolt, nut, adjusting nut, spring, driver bit, Telescopic handle, handle socket, socket, it is characterized in that: the both sides of described handle are provided with screw jack, bolt is provided with in screw jack, the end of bolt is provided with nut, bolt is provided with adjusting nut and spring, one end of connecting rod is fixedly connected with the middle part of handle is vertical, the both sides of connecting rod are provided with guide rail, 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, the below of guide rail is provided with fixed block, fixed block is provided with circular hole, guide rail is provided with coupling bar, the two ends of coupling bar are provided with circular hole, slide block and Compress Spring is provided with in connecting rod, one end of slide block is fixedly connected with one end of coupling bar, base is provided with in connecting rod, base is provided with annular groove, coupling bar is through after the guide rail being arranged on connecting rod both sides, coupling bar is fixed on guide rail through the circular hole being arranged on coupling bar two ends by bolt, bolt is successively through the screw jack being arranged on handle both sides, be fixed in screw jack and circular hole by nut after the circular hole being arranged on coupling bar two ends and the circular hole being arranged on fixed block, base is entering after in connecting rod, the screw rod embedding of trip bolt is arranged in the annular groove on base, 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 socket, the top of Telescopic handle is provided with screw hole, after one end of handle enters the handle socket be arranged in Telescopic handle, Telescopic handle, through the screw hole being arranged on Telescopic handle top, is fixed on the outside of handle by trip bolt.
The length of described handle is greater than the length of described Telescopic handle.
The length of described coupling bar is greater than the length of described slide block.
The length of described connecting rod is greater than the length of described guide rail.
The length of described connecting rod is greater than the length of described slide block.
The length of described connecting rod is greater than the drift of described Compress Spring.
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 bolt.
The length of described coupling bar is greater than the width of described connecting rod.
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 the perspective view of connecting rod 3 in the utility model.
Fig. 4 is the perspective view of fixed block 8 in the utility model.
Fig. 5 is the perspective view of trip bolt 7 and Telescopic handle 19 in the utility model.
In figure: 1-handle, 2-screw jack, 3-connecting rod, 4-guide rail, 5-circular hole, 6-screw hole, 7-trip bolt, 8-fixed block, 9-coupling bar, 10-slide block, 11-Compress Spring, 12-base, 13-annular groove, 14-bolt, 15-nut, 16-adjusting nut, 17-spring, 18-driver bit, 19-Telescopic handle, 20-handle socket, 21-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, shown in Fig. 4 and Fig. 5, the T-shaped screwdriver of a kind of telescopic handle antioverloading, comprises handle 1, screw jack 2, connecting rod 3, guide rail 4, circular hole 5, screw hole 6, trip bolt 7, fixed block 8, coupling bar 9, slide block 10, Compress Spring 11, base 12, annular groove 13, bolt 14, nut 15, adjusting nut 16, spring 17, driver bit 18, Telescopic handle 19, handle socket 20, socket 21, it is characterized in that: the both sides of described handle 1 are provided with screw jack 2, bolt 14 is provided with in screw jack 2, the end of bolt 14 is provided with nut 15, bolt 14 is provided with adjusting nut 16 and spring 17, one end of connecting rod 3 is fixedly connected with the middle part of handle 1 is vertical, the both sides of connecting rod 3 are provided with guide rail 4, connecting rod 3 is provided with circular hole 5, the lower end of connecting rod 3 is provided with screw hole 6, trip bolt 7 is provided with in screw hole 6, the below of guide rail 4 is provided with fixed block 8, fixed block 8 is provided with circular hole 5, guide rail 4 is provided with coupling bar 9, the two ends of coupling bar 9 are provided with circular hole 5, slide block 10 and Compress Spring 11 is provided with in connecting rod 3, one end of slide block 10 is fixedly connected with one end of coupling bar 9, base 12 is provided with in connecting rod 3, base 12 is provided with annular groove 13, coupling bar 9 is through after the guide rail 4 being arranged on connecting rod 3 both sides, coupling bar 9 is fixed on guide rail 4 through the circular hole 5 being arranged on coupling bar 9 two ends by bolt 14, bolt 14 is successively through the screw jack 2 being arranged on handle 1 both sides, be fixed in screw jack 2 and circular hole 5 by nut 15 after the circular hole 5 being arranged on coupling bar 9 two ends and the circular hole 5 being arranged on fixed block 8, base 12 is entering after in connecting rod 3, the screw rod embedding of trip bolt 7 is arranged in the annular groove 13 on base 12, base 12 is fixed in connecting rod 3, one end of base 12 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 socket 21, the top of Telescopic handle 19 is provided with screw hole 6, after one end of handle 1 enters the handle socket 20 be arranged in Telescopic handle 19, Telescopic handle 19, through the screw hole 6 being arranged on Telescopic handle 19 top, is fixed on the outside of handle 1 by trip bolt 7.
The length of described handle 1 is greater than the length of described Telescopic handle 19.
The length of described coupling bar 9 is greater than the length of described slide block 10.
The length of described connecting rod 3 is greater than the length of described guide rail 4.
The length of described connecting rod 3 is greater than the length of described slide block 10.
The length of described connecting rod 3 is greater than the drift of described Compress Spring 11.
The length of described connecting rod 3 is greater than the drift of described spring 17.
The length of described connecting rod 3 is greater than the length of described bolt 14.
The length of described coupling bar is greater than the width of described connecting rod 3.
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-compressed 11 pairs of bases 12, base 12 just can skid in connecting rod 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.
When need to regulate its can the size of maximum moment of load time, change the position of adjusting nut 16 on bolt 14 can change Compress Spring 11 by the degree compressed thus 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 T-shaped screwdriver of telescopic handle antioverloading, comprise handle (1), screw jack (2), connecting rod (3), guide rail (4), circular hole (5), screw hole (6), trip bolt (7), fixed block (8), coupling bar (9), slide block (10), Compress Spring (11), base (12), annular groove (13), bolt (14), nut (15), adjusting nut (16), spring (17), driver bit (18), Telescopic handle (19), handle socket (20), socket (21), it is characterized in that: the both sides of described handle (1) are provided with screw jack (2), bolt (14) is provided with in screw jack (2), the end of bolt (14) is provided with nut (15), bolt (14) is provided with adjusting nut (16) and spring (17), one end of connecting rod (3) is fixedly connected with the middle part of handle (1) is vertical, the both sides of connecting rod (3) are provided with guide rail (4), connecting rod (3) is provided with circular hole (5), the lower end of connecting rod (3) is provided with screw hole (6), trip bolt (7) is provided with in screw hole (6), the below of guide rail (4) is provided with fixed block (8), fixed block (8) is provided with circular hole (5), guide rail (4) is provided with coupling bar (9), the two ends of coupling bar (9) are provided with circular hole (5), slide block (10) and Compress Spring (11) is provided with in connecting rod (3), one end of slide block (10) is fixedly connected with one end of coupling bar (9), base (12) is provided with in connecting rod (3), base (12) is provided with annular groove (13), coupling bar (9) is through after the guide rail (4) being arranged on connecting rod (3) both sides, coupling bar (9) is fixed on guide rail (4) through the circular hole (5) being arranged on coupling bar (9) two ends by bolt (14), bolt (14) is successively through the screw jack (2) being arranged on handle (1) both sides, be fixed in screw jack (2) and circular hole (5) by nut (15) after the circular hole (5) being arranged on coupling bar (9) two ends and the circular hole (5) being arranged on fixed block (8), base (12) is entering after in connecting rod (3), the screw rod embedding of trip bolt (7) is arranged in the annular groove (13) on base (12), base (12) is fixed in connecting rod (3), one end of base (12) 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 socket (21), the top of Telescopic handle (19) is provided with screw hole (6), after one end of handle (1) enters the handle socket (20) be arranged in Telescopic handle (19), trip bolt (7) is through the screw hole (6) being arranged on Telescopic handle (19) top, Telescopic handle (19) is fixed on the outside of handle (1).
2. the T-shaped screwdriver of a kind of telescopic handle antioverloading according to claim 1, is characterized in that: the length of described handle (1) is greater than the length of described Telescopic handle (19).
CN201520037479.6U 2015-01-20 2015-01-20 The T-shaped screwdriver of a kind of telescopic handle antioverloading Expired - Fee Related CN204397796U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520037479.6U CN204397796U (en) 2015-01-20 2015-01-20 The T-shaped screwdriver of a kind of telescopic handle antioverloading

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520037479.6U CN204397796U (en) 2015-01-20 2015-01-20 The T-shaped screwdriver of a kind of telescopic handle antioverloading

Publications (1)

Publication Number Publication Date
CN204397796U true CN204397796U (en) 2015-06-17

Family

ID=53421692

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520037479.6U Expired - Fee Related CN204397796U (en) 2015-01-20 2015-01-20 The T-shaped screwdriver of a kind of telescopic handle antioverloading

Country Status (1)

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CN (1) CN204397796U (en)

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GR01 Patent grant
C14 Grant of patent or utility model
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