CN204397707U - A kind of telescopic handle is T-shaped can antioverloading box spanner - Google Patents
A kind of telescopic handle is T-shaped can antioverloading box spanner Download PDFInfo
- Publication number
- CN204397707U CN204397707U CN201520037577.XU CN201520037577U CN204397707U CN 204397707 U CN204397707 U CN 204397707U CN 201520037577 U CN201520037577 U CN 201520037577U CN 204397707 U CN204397707 U CN 204397707U
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- handle
- connecting rod
- telescopic handle
- hole
- bolt
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- Expired - Fee Related
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Abstract
The utility model relates to that a kind of telescopic handle is T-shaped can antioverloading box spanner, comprises handle, tapped through hole, screw rod, knob, connecting rod, circular hole, screw hole, trip bolt, slide block, spring, collet head, annular groove, Telescopic handle, handle 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 is T-shaped can antioverloading 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 is T-shaped can antioverloading 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 is T-shaped can antioverloading box spanner, comprises handle, tapped through hole, screw rod, knob, connecting rod, circular hole, screw hole, trip bolt, slide block, spring, collet head, annular groove, Telescopic handle, handle socket, it is characterized in that: the middle part of described handle is provided with tapped through hole, is provided with screw rod in tapped through hole, the upper end of screw rod is provided with knob, the lower end of screw rod is provided with slide block, one end of screw rod is fixedly connected with one end of knob, and the other end of screw rod is fixedly connected with one end of slide block, and one end of 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, is provided with trip bolt in screw hole, is provided with slide block in connecting rod, spring and collet head, collet head is provided with annular groove, one end of screw rod enters after in connecting rod through the tapped through hole be arranged in the middle part of handle and is fixedly connected with one end of slide block, collet head is entering after in connecting rod, the screw rod embedding of trip bolt is arranged in the annular groove on collet head, 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 screw hole, after one end of handle enters the handle socket be arranged in Telescopic handle, Telescopic handle, through the screw hole be arranged on Telescopic handle, 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 slide block is greater than the width of described annular groove.
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 length of slide block.
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 collet head.
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 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 5 in the utility model.
Fig. 6 is the perspective view of trip bolt 8 and Telescopic handle 13 in the utility model.
In figure: 1-handle, 2-tapped through hole, 3-screw rod, 4-knob, 5-connecting rod, 6-circular hole, 7-screw hole, 8-trip bolt, 9-slide block, 10-spring, 11-collet head, 12-annular groove, 13-Telescopic handle, 14-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, a kind of telescopic handle is T-shaped can antioverloading box spanner, comprises handle 1, tapped through hole 2, screw rod 3, knob 4, connecting rod 5, circular hole 6, screw hole 7, trip bolt 8, slide block 9, spring 10, collet head 11, annular groove 12, Telescopic handle 13, handle socket 14, 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 slide block 9, 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 slide block 9, one end of connecting rod 5 is fixedly connected with the middle part of handle 1 is vertical, connecting rod 5 is provided with circular hole 6, the lower end of connecting rod 5 is provided with screw hole 7, is provided with trip bolt 8 in screw hole 7, is provided with slide block 9 in connecting rod 5, spring 10 and collet head 11, collet head 11 is provided with annular groove 12, one end of screw rod 3 enters after in connecting rod 5 through the tapped through hole 2 be arranged in the middle part of handle 1 and is fixedly connected with one end of slide block 9, collet head 11 is entering after in connecting rod 5, the screw rod embedding of trip bolt 8 is arranged in the annular groove 12 on collet head 11, collet head 11 is fixed in connecting rod 5, the outside of handle 1 is provided with Telescopic handle 13, handle socket 14 is provided with in Telescopic handle 13, Telescopic handle 13 is provided with screw hole 7, after one end of handle 1 enters the handle socket 14 be arranged in Telescopic handle 13, Telescopic handle 13, through the screw hole 7 be arranged on Telescopic handle 13, is fixed on the outside of handle 1 by trip bolt 8.
The length of described handle 1 is greater than the length of described Telescopic handle 13.
The length of described slide block 9 is greater than the width of described annular groove 12.
The length of described connecting rod 5 is greater than the length of described screw rod 3.
The length of described connecting rod 5 is greater than the length of slide block 9.
The length of described connecting rod 5 is greater than the drift of described spring 10.
The length of described connecting rod 5 is greater than the length of described collet head 11.
When needs to be dismantled bolt, nut and are fastening, being aimed at by collet head 11 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 10 pairs of collet head 11 tops, collet head 11 just can skid in connecting rod 5, 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 turn knobs 4 change spring 10 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 is T-shaped can antioverloading box spanner, comprise handle (1), tapped through hole (2), screw rod (3), knob (4), connecting rod (5), circular hole (6), screw hole (7), trip bolt (8), slide block (9), spring (10), collet head (11), annular groove (12), Telescopic handle (13), handle socket (14), 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 slide block (9), 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 slide block (9), one end of connecting rod (5) is fixedly connected with the middle part of handle (1) is vertical, connecting rod (5) is provided with circular hole (6), the lower end of connecting rod (5) is provided with screw hole (7), trip bolt (8) is provided with in screw hole (7), slide block (9) is provided with in connecting rod (5), spring (10) and collet head (11), collet head (11) is provided with annular groove (12), one end of screw rod (3) enters after in connecting rod (5) through the tapped through hole (2) being arranged on handle (1) middle part and is fixedly connected with one end of slide block (9), collet head (11) is entering after in connecting rod (5), the screw rod embedding of trip bolt (8) is arranged in the annular groove (12) on collet head (11), collet head (11) is fixed in connecting rod (5), the outside of handle (1) is provided with Telescopic handle (13), handle socket (14) is provided with in Telescopic handle (13), Telescopic handle (13) is provided with screw hole (7), after one end of handle (1) enters the handle socket (14) be arranged in Telescopic handle (13), trip bolt (8) is through the screw hole (7) be arranged on Telescopic handle (13), Telescopic handle (13) is fixed on the outside of handle (1).
2. a kind of telescopic handle according to claim 1 is T-shaped can antioverloading box spanner, it is characterized in that: the length of described handle (1) is greater than the length of described Telescopic handle (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520037577.XU CN204397707U (en) | 2015-01-20 | 2015-01-20 | A kind of telescopic handle is T-shaped can antioverloading box spanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520037577.XU CN204397707U (en) | 2015-01-20 | 2015-01-20 | A kind of telescopic handle is T-shaped can antioverloading box spanner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204397707U true CN204397707U (en) | 2015-06-17 |
Family
ID=53421604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520037577.XU Expired - Fee Related CN204397707U (en) | 2015-01-20 | 2015-01-20 | A kind of telescopic handle is T-shaped can antioverloading box spanner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204397707U (en) |
-
2015
- 2015-01-20 CN CN201520037577.XU patent/CN204397707U/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 |