CN204397760U - The T-shaped screwdriver of a kind of telescopic handle antioverloading formula - Google Patents
The T-shaped screwdriver of a kind of telescopic handle antioverloading formula Download PDFInfo
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- CN204397760U CN204397760U CN201520037576.5U CN201520037576U CN204397760U CN 204397760 U CN204397760 U CN 204397760U CN 201520037576 U CN201520037576 U CN 201520037576U CN 204397760 U CN204397760 U CN 204397760U
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- 238000010168 coupling process Methods 0.000 claims abstract description 20
- 238000005859 coupling reaction Methods 0.000 claims abstract description 20
- 230000008878 coupling Effects 0.000 claims abstract description 19
- 230000008859 change Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The utility model relates to the T-shaped screwdriver of a kind of telescopic handle antioverloading formula, comprises handle, tapped through hole, screw jack, screw rod, knob, coupling bar, little annular groove, trip bolt, connecting rod, guide rail, through hole, bolt hole, set bolt, fixed block, latch, slide block, pin hole, screw hole, connection holes, Compress Spring, base, large annular groove, bolt, 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
Technical field
The utility model relates to a kind of screwdriver, and specifically the T-shaped screwdriver of a kind of telescopic handle antioverloading formula, 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 formula 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 formula, comprises handle, tapped through hole, screw jack, screw rod, knob, coupling bar, little annular groove, trip bolt, connecting rod, guide rail, through hole, bolt hole, set bolt, fixed block, latch, slide block, pin hole, screw hole, connection holes, Compress Spring, base, large annular groove, bolt, nut, spring, driver bit, Telescopic handle, handle socket, socket, it is characterized in that: the middle part of described handle is provided with tapped through hole, the both sides of tapped through hole are provided with screw jack, bolt is provided with in screw jack, bolt is provided with nut and spring, screw rod is provided with in tapped through hole, 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, coupling bar is provided with little annular groove, 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, through hole is provided with in connecting rod, the lower end of connecting rod is provided with bolt hole, set bolt is provided with in bolt hole, the top of bolt hole is provided with fixed block, fixed block is provided with through hole, guide rail is provided with latch, the two ends of latch are provided with through hole, slide block is provided with in connecting rod, slide block is provided with pin hole, latch is provided with in pin hole, the top of pin hole is provided with screw hole, trip bolt is provided with in screw hole, the top of slide block is provided with connection holes, Compress Spring and base is provided with in connecting rod, base is provided with large annular groove, one end of coupling bar enter be arranged on slider top connection holes in after, trip bolt is through the screw hole be arranged on slide block and embedding is arranged in the little annular groove on coupling bar, coupling bar is fixed in connection holes, after in base enters and is arranged on connecting rod through hole, set bolt is through the bolt hole being arranged on connecting rod both sides and embedding is arranged in the large 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 bolt hole, after one end of handle enters the handle socket be arranged in Telescopic handle, set 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 height of described base is greater than the height of described driver bit.
The length of described latch is greater than the length of described pin hole.
The length of described handle is greater than the length of described bolt.
The length of described handle is greater than the length of described screw rod.
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 drift of described Compress Spring.
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 spring.
The length of described latch is greater than the width of described connecting rod.
Described latch successively through the guide rail being arranged on connecting rod both sides, be arranged on slide block pin hole after, be arranged on bolt in screw jack and through after the through hole being arranged on latch two ends, latch be fixed in guide rail and pin hole.
The drift of described spring is greater than the length of described bolt.
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 connecting rod 9 in the utility model.
Fig. 6 is the perspective view of fixed block 14 in the utility model.
Fig. 7 is the perspective view of slide block 16 in the utility model.
Fig. 8 is the perspective view of set bolt 13 and Telescopic handle 27 in the utility model.
In figure: 1-handle, 2-tapped through hole, 3-screw jack, 4-screw rod, 5-knob, 6-coupling bar, the little annular groove of 7-, 8-trip bolt, 9-connecting rod, 10-guide rail, 11-through hole, 12-bolt hole, 13-set bolt, 14-fixed block, 15-latch, 16-slide block, 17-pin hole, 18-screw hole, 19-connection holes, 20-Compress Spring, 21-base, the large annular groove of 22-, 23-bolt, 24-nut, 25-spring, 26-driver bit, 27-Telescopic handle, 28-handle socket, 29-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, Fig. 5, Fig. 6, shown in Fig. 7 and Fig. 8, the T-shaped screwdriver of a kind of telescopic handle antioverloading formula, comprises handle 1, tapped through hole 2, screw jack 3, screw rod 4, knob 5, coupling bar 6, little annular groove 7, trip bolt 8, connecting rod 9, guide rail 10, through hole 11, bolt hole 12, set bolt 13, fixed block 14, latch 15, slide block 16, pin hole 17, screw hole 18, connection holes 19, Compress Spring 20, base 21, large annular groove 22, bolt 23, nut 24, spring 25, driver bit 26, Telescopic handle 27, handle socket 28, socket 29, it is characterized in that: the middle part of described handle 1 is provided with tapped through hole 2, the both sides of tapped through hole 2 are provided with screw jack 3, bolt 23 is provided with in screw jack 3, bolt 23 is provided with nut 24 and spring 25, screw rod 4 is provided with in tapped through hole 2, one end of screw rod 4 is fixedly connected with one end of knob 5, the other end of screw rod 4 is fixedly connected with one end of coupling bar 6, coupling bar 6 is provided with little annular groove 7, one end of connecting rod 9 is fixedly connected with the middle part of handle 1 is vertical, the both sides of connecting rod 9 are provided with guide rail 10, through hole 11 is provided with in connecting rod 9, the lower end of connecting rod 9 is provided with bolt hole 12, set bolt 13 is provided with in bolt hole 12, the top of bolt hole 12 is provided with fixed block 14, fixed block 14 is provided with through hole 11, guide rail 10 is provided with latch 15, the two ends of latch 15 are provided with through hole 11, slide block 16 is provided with in connecting rod 9, slide block 16 is provided with pin hole 17, latch 15 is provided with in pin hole 17, the top of pin hole 17 is provided with screw hole 18, trip bolt 8 is provided with in screw hole 18, the top of slide block 16 is provided with connection holes 19, Compress Spring 20 and base 21 is provided with in connecting rod 9, base 21 is provided with large annular groove 22, one end of coupling bar 6 enter be arranged on slide block 16 top connection holes 19 in after, trip bolt 8 is through the screw hole 18 be arranged on slide block 16 and embedding is arranged in the little annular groove 7 on coupling bar 6, coupling bar 6 is fixed in connection holes 19, base 21 enters and is arranged on after in through hole on connecting rod 9 11, set bolt 13 is through the bolt hole 12 being arranged on connecting rod 9 both sides and embedding is arranged in the large annular groove 22 on base 21, base 21 is fixed in connecting rod 9, one end of base 21 is fixedly connected with the top of driver bit 26, the outside of handle 1 is provided with Telescopic handle 27, handle socket 28 is provided with in Telescopic handle 27, Telescopic handle 27 is provided with socket 29, the top of Telescopic handle 27 is provided with bolt hole 12, after one end of handle 1 enters the handle socket 28 be arranged in Telescopic handle 27, set bolt 13 is through the bolt hole 12 be arranged on Telescopic handle 27, Telescopic handle 27 is fixed on the outside of handle 1.
The length of described handle 1 is greater than the length of described Telescopic handle 27.
The height of described base 21 is greater than the height of described driver bit 26.
The length of described latch 15 is greater than the length of described pin hole 17.
The length of described handle 1 is greater than the length of described bolt 23.
The length of described handle 1 is greater than the length of described screw rod 4.
The length of described connecting rod 9 is greater than the length of described guide rail 10.
The length of described connecting rod 9 is greater than the drift of described Compress Spring 20.
The length of described connecting rod 9 is greater than the length of described slide block 16.
The length of described connecting rod 9 is greater than the drift of described spring 25.
The length of described latch 15 is greater than the width of described connecting rod 9.
Described latch 15 successively through the guide rail 10 being arranged on connecting rod 9 both sides, be arranged on slide block 16 pin hole 17 after, be arranged on bolt 23 in screw jack 3 and through after the through hole 11 being arranged on latch 15 two ends, latch 15 be fixed in guide rail 10 and pin hole 17.
The drift of described spring 25 is greater than the length of described bolt 23.
When needs carry out dismounting to screw and are fastening, being aimed at by driver bit 26 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 Compress Spring 20 pairs of bases 21, base 21 just can skid in connecting rod 9, 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 5 change Compress Spring 20 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 T-shaped screwdriver of telescopic handle antioverloading formula, comprise handle (1), tapped through hole (2), screw jack (3), screw rod (4), knob (5), coupling bar (6), little annular groove (7), trip bolt (8), connecting rod (9), guide rail (10), through hole (11), bolt hole (12), set bolt (13), fixed block (14), latch (15), slide block (16), pin hole (17), screw hole (18), connection holes (19), Compress Spring (20), base (21), large annular groove (22), bolt (23), nut (24), spring (25), driver bit (26), Telescopic handle (27), handle (28), socket (29), it is characterized in that: the middle part of described handle (1) is provided with tapped through hole (2), the both sides of tapped through hole (2) are provided with screw jack (3), bolt (23) is provided with in screw jack (3), bolt (23) is provided with nut (24) and spring (25), screw rod (4) is provided with in tapped through hole (2), one end of screw rod (4) is fixedly connected with one end of knob (5), the other end of screw rod (4) is fixedly connected with one end of coupling bar (6), coupling bar (6) is provided with little annular groove (7), one end of connecting rod (9) is fixedly connected with the middle part of handle (1) is vertical, the both sides of connecting rod (9) are provided with guide rail (10), through hole (11) is provided with in connecting rod (9), the lower end of connecting rod (9) is provided with bolt hole (12), set bolt (13) is provided with in bolt hole (12), the top of bolt hole (12) is provided with fixed block (14), fixed block (14) is provided with through hole (11), guide rail (10) is provided with latch (15), the two ends of latch (15) are provided with through hole (11), slide block (16) is provided with in connecting rod (9), slide block (16) is provided with pin hole (17), latch (15) is provided with in pin hole (17), the top of pin hole (17) is provided with screw hole (18), trip bolt (8) is provided with in screw hole (18), the top of slide block (16) is provided with connection holes (19), Compress Spring (20) and base (21) is provided with in connecting rod (9), base (21) is provided with large annular groove (22), one end of coupling bar (6) enter be arranged on slide block (16) top connection holes (19) in after, trip bolt (8) is through the screw hole (18) be arranged on slide block (16) and embedding is arranged in the little annular groove (7) on coupling bar (6), coupling bar (6) is fixed in connection holes (19), after in base (21) enters and is arranged on connecting rod (9) through hole (11), set bolt (13) is through the bolt hole (12) being arranged on connecting rod (9) both sides and embedding is arranged in the large annular groove (22) on base (21), base (21) is fixed in connecting rod (9), one end of base (21) is fixedly connected with the top of driver bit (26), the outside of handle (1) is provided with Telescopic handle (27), handle socket (28) is provided with in Telescopic handle (27), Telescopic handle (27) is provided with socket (29), the top of Telescopic handle (27) is provided with bolt hole (12), after one end of handle (1) enters the handle socket (28) be arranged in Telescopic handle (27), set bolt (13) is through the bolt hole (12) be arranged on Telescopic handle (27), Telescopic handle (27) is fixed on the outside of handle (1).
2. the T-shaped screwdriver of a kind of telescopic handle antioverloading formula according to claim 1, is characterized in that: the length of described handle (1) is greater than the length of described Telescopic handle (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520037576.5U CN204397760U (en) | 2015-01-20 | 2015-01-20 | The T-shaped screwdriver of a kind of telescopic handle antioverloading formula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520037576.5U CN204397760U (en) | 2015-01-20 | 2015-01-20 | The T-shaped screwdriver of a kind of telescopic handle antioverloading formula |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204397760U true CN204397760U (en) | 2015-06-17 |
Family
ID=53421657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520037576.5U Expired - Fee Related CN204397760U (en) | 2015-01-20 | 2015-01-20 | The T-shaped screwdriver of a kind of telescopic handle antioverloading formula |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204397760U (en) |
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2015
- 2015-01-20 CN CN201520037576.5U patent/CN204397760U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |