CN204397692U - A kind of telescopic handle T-shaped antioverloading formula box spanner - Google Patents
A kind of telescopic handle T-shaped antioverloading formula box spanner Download PDFInfo
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- CN204397692U CN204397692U CN201520037124.7U CN201520037124U CN204397692U CN 204397692 U CN204397692 U CN 204397692U CN 201520037124 U CN201520037124 U CN 201520037124U CN 204397692 U CN204397692 U CN 204397692U
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- handle
- bolt
- connecting rod
- hole
- telescopic handle
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Abstract
The utility model relates to a kind of telescopic handle T-shaped antioverloading formula box spanner, comprises handle, screw jack, connecting rod, guide rail, circular hole, fixed block, through hole, screw hole, trip bolt, coupling bar, slide block, spring, bolt, hold-down nut, adjusting nut, collet head, annular groove, Telescopic handle, handle socket, socket.The utility model structure is simple, easy to use, when dismantling bolt, nut and being fastening, when spanner reaches certain limit to bolt, nut applied force square, collet head just can skid in connecting rod, thus can effectively prevent because moment is excessive and cause bolt, nut 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 spanner, and specifically a kind of telescopic handle T-shaped antioverloading formula box spanner, belongs to machine tool technical field.
Background technology
Often need to use box spanner to dismantle bolt, nut in machine work and fastening.In production and life, widely used bolt, nut are mostly regular regular polygon structure at present, because workmen dismantles at use box spanner bolt, nut and is difficult to control moment exactly in fastening process, often easily exceed bolt, maximum moment that nut can carry, the corner angle on bolt, nut outer wall are caused to damage, cause spanner to skid, bring unnecessary trouble to machine work.
Although at present the digital torque spanner produced and use in life can measure exactly and read bolt, moment that nut carries, due to the expensive and poor reliability of digital torque spanner, cannot use in machine work on a large scale.Therefore can effectively prevent moment excessive in the urgent need to a kind of and cause the box spanner that bolt, nut damage.
Be incorporated herein the applicant 201320689180.X patent, which disclose a kind of antioverloading box spanner, although this technical scheme can effectively prevent because moment is excessive and cause bolt, nut to damage, but the moment of its load can not flexible modulation, therefore has certain limitation.
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 telescopic handle that is that cause bolt, nut to damage T-shaped antioverloading formula box spanner.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of telescopic handle T-shaped antioverloading formula box spanner, comprises handle, screw jack, connecting rod, guide rail, circular hole, fixed block, through hole, screw hole, trip bolt, coupling bar, slide block, spring, bolt, hold-down nut, adjusting nut, collet head, annular groove, Telescopic handle, handle socket, socket, it is characterized in that: the both sides of described handle are provided with screw jack, 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 below of guide rail is provided with fixed block, fixed block is provided with through hole, and the below of fixed block is provided with screw hole, is provided with trip bolt in screw hole, guide rail is provided with coupling bar, the two ends of coupling bar are provided with through hole, are provided with slide block and spring in connecting rod, and one end of coupling bar is fixedly connected with one end of slide block, bolt is provided with in screw jack, the end of bolt is provided with hold-down nut, and bolt is provided with adjusting nut, is provided with collet head in connecting rod, the outer wall of collet head is provided with annular groove, and bolt is successively through the screw jack being arranged on handle both sides, the nut that is fixed after the through hole being arranged on coupling bar two ends and the through hole being arranged on fixed block is fixed in screw jack and through hole, collet head is after entering the circular hole be arranged on connecting rod, the screw rod embedding of trip bolt is arranged in the annular groove on collet head outer wall, collet head is fixed in connecting rod, 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 collet head 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 bolt.
The length of described coupling bar is greater than the width of described connecting rod.
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 slide block.
The length of described connecting rod is greater than the length of described collet head.
The width of described annular groove is greater than the diameter of the screw rod of described trip bolt.
Compared with prior art, the utility model has following beneficial effect: structure is simple, easy to use, when dismantling bolt, nut and being fastening, when spanner reaches certain limit to bolt, nut applied force square, collet head just can skid in connecting rod, thus can effectively prevent because moment is excessive and cause bolt, nut 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 6 in the utility model.
Fig. 5 is the perspective view of the utility model middle sleeve head 16.
Fig. 6 is the perspective view of trip bolt 9 and Telescopic handle 18 in the utility model.
In figure: 1-handle, 2-screw jack, 3-connecting rod, 4-guide rail, 5-circular hole, 6-fixed block, 7-through hole, 8-screw hole, 9-trip bolt, 10-coupling bar, 11-slide block, 12-spring, 13-bolt, 14-hold-down nut, 15-adjusting nut, 16-collet head, 17-annular groove, 18-Telescopic handle, 19-handle socket, 20-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, a kind of telescopic handle T-shaped antioverloading formula box spanner, comprises handle 1, screw jack 2, connecting rod 3, guide rail 4, circular hole 5, fixed block 6, through hole 7, screw hole 8, trip bolt 9, coupling bar 10, slide block 11, spring 12, bolt 13, hold-down nut 14, adjusting nut 15, collet head 16, annular groove 17, Telescopic handle 18, handle socket 19, socket 20, it is characterized in that: the both sides of described handle 1 are provided with screw jack 2, 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 below of guide rail 4 is provided with fixed block 6, fixed block 6 is provided with through hole 7, and the below of fixed block 6 is provided with screw hole 8, is provided with trip bolt 9 in screw hole 8, guide rail 4 is provided with coupling bar 10, the two ends of coupling bar 10 are provided with through hole 7, are provided with slide block 11 and spring 12 in connecting rod 3, and one end of coupling bar 10 is fixedly connected with one end of slide block 11, bolt 13 is provided with in screw jack 2, the end of bolt 13 is provided with hold-down nut 14, and bolt 13 is provided with adjusting nut 15, is provided with collet head 16 in connecting rod 3, the outer wall of collet head 16 is provided with annular groove 17, and bolt 13 is successively through the screw jack 2 being arranged on handle 1 both sides, the nut 14 that is fixed after the through hole 7 being arranged on coupling bar 10 two ends and the through hole 7 being arranged on fixed block 6 is fixed in screw jack 2 and through hole 7, collet head 16 is after entering the circular hole 5 be arranged on connecting rod 3, the screw rod embedding of trip bolt 9 is arranged in the annular groove 17 on collet head 16 outer wall, collet head 16 is fixed in connecting rod 3, the outside of handle 1 is provided with Telescopic handle 18, handle socket 19 is provided with in Telescopic handle 18, Telescopic handle 18 is provided with socket 20, the top of Telescopic handle 18 is provided with screw hole 8, after one end of handle 1 enters the handle socket 19 be arranged in Telescopic handle 18, Telescopic handle 18, through the screw hole 8 being arranged on Telescopic handle 18 top, is fixed on the outside of handle 1 by trip bolt 9.
The length of described handle 1 is greater than the length of described Telescopic handle 18.
The length of described collet head 16 is greater than the length of described slide block 11.
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 bolt 13.
The length of described coupling bar 10 is greater than the width of described connecting rod 3.
The drift of described spring 12 is greater than the length of described connecting rod 3.
The length of described connecting rod 3 is greater than the length of described slide block 11.
The length of described connecting rod 3 is greater than the length of described collet head 16.
The width of described annular groove 17 is greater than the diameter of the screw rod of described trip bolt 9.
When needs to be dismantled bolt, nut and are fastening, being aimed at by collet head 16 and being inserted in needs to be disassembled with in fastening bolt or nut, then turning handle 1 pair of bolt, nut are dismantled and fastening, when moment is greater than the frictional force at spring 12 pairs of collet head 16 tops, collet head 16 just can skid in connecting rod 3, now increase moment in any case all can not to dismantle bolt, nut again and fastening, thus can effectively prevent because moment is excessive and cause bolt, nut to damage.
When need to regulate its can the size of maximum moment of load time, by change the position of adjusting nut 15 on bolt 13 change spring 12 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. a telescopic handle T-shaped antioverloading formula box spanner, comprise handle (1), screw jack (2), connecting rod (3), guide rail (4), circular hole (5), fixed block (6), through hole (7), screw hole (8), trip bolt (9), coupling bar (10), slide block (11), spring (12), bolt (13), hold-down nut (14), adjusting nut (15), collet head (16), annular groove (17), Telescopic handle (18), handle socket (19), socket (20), it is characterized in that: the both sides of described handle (1) are provided with screw jack (2), 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 below of guide rail (4) is provided with fixed block (6), fixed block (6) is provided with through hole (7), the below of fixed block (6) is provided with screw hole (8), trip bolt (9) is provided with in screw hole (8), guide rail (4) is provided with coupling bar (10), the two ends of coupling bar (10) are provided with through hole (7), slide block (11) and spring (12) is provided with in connecting rod (3), one end of coupling bar (10) is fixedly connected with one end of slide block (11), bolt (13) is provided with in screw jack (2), the end of bolt (13) is provided with hold-down nut (14), bolt (13) is provided with adjusting nut (15), collet head (16) is provided with in connecting rod (3), the outer wall of collet head (16) is provided with annular groove (17), bolt (13) is successively through the screw jack (2) being arranged on handle (1) both sides, the nut (14) that is fixed after the through hole (7) being arranged on coupling bar (10) two ends and the through hole (7) being arranged on fixed block (6) is fixed in screw jack (2) and through hole (7), collet head (16) is after entering the circular hole (5) be arranged on connecting rod (3), the screw rod embedding of trip bolt (9) is arranged in the annular groove (17) on collet head (16) outer wall, collet head (16) is fixed in connecting rod (3), the outside of handle (1) is provided with Telescopic handle (18), handle socket (19) is provided with in Telescopic handle (18), Telescopic handle (18) is provided with socket (20), the top of Telescopic handle (18) is provided with screw hole (8), after one end of handle (1) enters the handle socket (19) be arranged in Telescopic handle (18), trip bolt (9) is through the screw hole (8) being arranged on Telescopic handle (18) top, Telescopic handle (18) is fixed on the outside of handle (1).
2. a kind of telescopic handle according to claim 1 T-shaped antioverloading formula box spanner, is characterized in that: the length of described handle (1) is greater than the length of described Telescopic handle (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520037124.7U CN204397692U (en) | 2015-01-20 | 2015-01-20 | A kind of telescopic handle T-shaped antioverloading formula box spanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520037124.7U CN204397692U (en) | 2015-01-20 | 2015-01-20 | A kind of telescopic handle T-shaped antioverloading formula box spanner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204397692U true CN204397692U (en) | 2015-06-17 |
Family
ID=53421589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520037124.7U Expired - Fee Related CN204397692U (en) | 2015-01-20 | 2015-01-20 | A kind of telescopic handle T-shaped antioverloading formula box spanner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204397692U (en) |
-
2015
- 2015-01-20 CN CN201520037124.7U patent/CN204397692U/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 |