CN204036325U - A kind of T-shaped antioverloading spanner - Google Patents
A kind of T-shaped antioverloading spanner Download PDFInfo
- Publication number
- CN204036325U CN204036325U CN201420493280.XU CN201420493280U CN204036325U CN 204036325 U CN204036325 U CN 204036325U CN 201420493280 U CN201420493280 U CN 201420493280U CN 204036325 U CN204036325 U CN 204036325U
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- CN
- China
- Prior art keywords
- bolt
- connecting rod
- nut
- hole
- coupling bar
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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
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Abstract
The utility model relates to a kind of T-shaped antioverloading spanner, comprises handle, screw jack, connecting rod, guide rail, circular hole, screw hole, trip bolt, fixed block, through hole, coupling bar, slide block, Compress Spring, bolt, nut, adjusting nut, spring, collet head, annular groove.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 T-shaped antioverloading 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 the T-shaped antioverloading spanner that can effectively prevent moment excessive and cause bolt, nut to damage.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of T-shaped antioverloading spanner, comprises handle, screw jack, connecting rod, guide rail, circular hole, screw hole, trip bolt, fixed block, through hole, coupling bar, slide block, Compress Spring, bolt, nut, adjusting nut, spring, collet head, annular groove, 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 through hole, guide rail is provided with coupling bar, the two ends of coupling bar are provided with through 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, collet head is provided with in connecting rod, collet head 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 through 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 through hole by nut after the through hole being arranged on coupling bar two ends and the through hole being arranged on fixed 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, is fixed in connecting rod by collet head.
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 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 trip bolt 7 in the utility model.
Fig. 5 is the perspective view of fixed block 8 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-through hole, 10-coupling bar, 11-slide block, 12-Compress Spring, 13-bolt, 14-nut, 15-adjusting nut, 16-spring, 17-collet head, 18-annular groove.
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, a kind of T-shaped antioverloading spanner, comprises handle 1, screw jack 2, connecting rod 3, guide rail 4, circular hole 5, screw hole 6, trip bolt 7, fixed block 8, through hole 9, coupling bar 10, slide block 11, Compress Spring 12, bolt 13, nut 14, adjusting nut 15, spring 16, collet head 17, annular groove 18, it is characterized in that: the both sides of described handle 1 are provided with screw jack 2, bolt 13 is provided with in screw jack 2, the end of bolt 13 is provided with nut 14, bolt 13 is provided with adjusting nut 15 and spring 16, 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 through hole 9, guide rail 4 is provided with coupling bar 10, the two ends of coupling bar 10 are provided with through hole 9, slide block 11 and Compress Spring 12 is provided with in connecting rod 3, one end of slide block 11 is fixedly connected with one end of coupling bar 10, collet head 17 is provided with in connecting rod 3, collet head 17 is provided with annular groove 18, coupling bar 10 is through after the guide rail 4 being arranged on connecting rod 3 both sides, coupling bar 10 is fixed on guide rail 4 through the through hole 9 being arranged on coupling bar 10 two ends by bolt 13, bolt 13 is successively through the screw jack 2 being arranged on handle 1 both sides, be fixed in screw jack 2 and through hole 9 by nut 14 after the through hole 9 being arranged on coupling bar 10 two ends and the through hole 9 being arranged on fixed block 8, collet head 17 is entering after in connecting rod 3, the screw rod embedding of trip bolt 7 is arranged in the annular groove 18 on collet head 17, is fixed in connecting rod 3 by collet head 17.
The length of described coupling bar 10 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 slide block 11.
The length of described connecting rod 3 is greater than the drift of described Compress Spring 12.
The length of described connecting rod 3 is greater than the drift of described spring 16.
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.
When needs to be dismantled bolt, nut and are fastening, being aimed at by collet head 17 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 Compress Spring 12 pairs of collet head 17 tops, collet head 17 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, change the position of adjusting nut 15 on bolt 13 can change Compress Spring 12 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. a T-shaped antioverloading spanner, comprise handle (1), screw jack (2), connecting rod (3), guide rail (4), circular hole (5), screw hole (6), trip bolt (7), fixed block (8), through hole (9), coupling bar (10), slide block (11), Compress Spring (12), bolt (13), nut (14), adjusting nut (15), spring (16), collet head (17), annular groove (18), it is characterized in that: the both sides of described handle (1) are provided with screw jack (2), bolt (13) is provided with in screw jack (2), the end of bolt (13) is provided with nut (14), bolt (13) is provided with adjusting nut (15) and spring (16), 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 through hole (9), guide rail (4) is provided with coupling bar (10), the two ends of coupling bar (10) are provided with through hole (9), slide block (11) and Compress Spring (12) is provided with in connecting rod (3), one end of slide block (11) is fixedly connected with one end of coupling bar (10), collet head (17) is provided with in connecting rod (3), collet head (17) is provided with annular groove (18), coupling bar (10) is through after the guide rail (4) being arranged on connecting rod (3) both sides, coupling bar (10) is fixed on guide rail (4) through the through hole (9) being arranged on coupling bar (10) two ends by bolt (13), bolt (13) is successively through the screw jack (2) being arranged on handle (1) both sides, be fixed in screw jack (2) and through hole (9) by nut (14) after the through hole (9) being arranged on coupling bar (10) two ends and the through hole (9) being arranged on fixed block (8), collet head (17) is entering after in connecting rod (3), the screw rod embedding of trip bolt (7) is arranged in the annular groove (18) on collet head (17), collet head (17) is fixed in connecting rod (3).
2. the T-shaped antioverloading spanner of one according to claim 1, is characterized in that: the length of described coupling bar (10) is greater than the length of described slide block (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420493280.XU CN204036325U (en) | 2014-08-29 | 2014-08-29 | A kind of T-shaped antioverloading spanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420493280.XU CN204036325U (en) | 2014-08-29 | 2014-08-29 | A kind of T-shaped antioverloading spanner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204036325U true CN204036325U (en) | 2014-12-24 |
Family
ID=52237033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420493280.XU Expired - Fee Related CN204036325U (en) | 2014-08-29 | 2014-08-29 | A kind of T-shaped antioverloading spanner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204036325U (en) |
-
2014
- 2014-08-29 CN CN201420493280.XU patent/CN204036325U/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: 20141224 Termination date: 20150829 |
|
| EXPY | Termination of patent right or utility model |