CN204308820U - The adjustable antioverloading box spanner of a kind of T-shaped load of connecting rod folding type - Google Patents
The adjustable antioverloading box spanner of a kind of T-shaped load of connecting rod folding type Download PDFInfo
- Publication number
- CN204308820U CN204308820U CN201420697523.1U CN201420697523U CN204308820U CN 204308820 U CN204308820 U CN 204308820U CN 201420697523 U CN201420697523 U CN 201420697523U CN 204308820 U CN204308820 U CN 204308820U
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- China
- Prior art keywords
- hole
- bolt
- fixed block
- connecting rod
- collet head
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- Expired - Fee Related
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Abstract
The utility model relates to a kind of spanner, specifically the adjustable antioverloading box spanner of the T-shaped load of connecting rod folding type, comprises handle, connecting rod, spring, fixed block, circular hole, screw hole, trip bolt, collet head, first order annular groove, second level annular groove, check lock lever, through hole, bolt hole, set bolt, pin hole, connection holes, latch.The utility model structure is simple, easy to use, dismounting and fastening can be carried out the bolt or nut being in the narrow location such as corner, and can prevent the excessive nut that causes of moment from damaging, be conducive to improving dismounting and be fasteningly in the bolt of the narrow location such as corner or the operating efficiency of nut.
Description
Technical field
The utility model relates to a kind of spanner, and specifically the adjustable antioverloading box spanner of the T-shaped load of a kind of connecting rod folding type, belongs to machine tool technical field.
Background technology
As everyone knows, box spanner is made up of the collet head of multiple band hexagon ring or 12 corner apertures and the multiple component such as handle and connecting rod, be specially adapted to dismantle and fastening residing for the bolt of the very narrow or very depths of caving in, space or nut.
Often need to use box spanner to carry out dismounting and fastening to bolt or nut in machine work.Because the structure of current widely used box spanner in production and life is all generally fixing, certain operating radius is needed when the existing box spanner of use to carry out dismounting and be fastening to bolt or nut, cause normally using box spanner to carry out dismounting and fastening to the bolt or nut that are in the narrow location such as corner, so workmen uses open-end wrench or double offset ring spanner to carry out dismounting and fastening to the bolt or nut that are in the narrow location such as corner.
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, dismantle and fastening bendable antioverloading box spanner in the urgent need to inventing a kind of can carrying out the bolt or nut being in the narrow location such as corner.
Summary of the invention
The technical problems to be solved in the utility model is: provide a kind of structure simple, easy to use, can carry out dismantling and the fastening adjustable antioverloading box spanner of the T-shaped load of connecting rod folding type the bolt or nut being in the narrow location such as corner.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: the adjustable antioverloading box spanner of the T-shaped load of a kind of connecting rod folding type, comprise handle, connecting rod, spring, fixed block, circular hole, screw hole, trip bolt, collet head, first order annular groove, second level annular groove, check lock lever, through hole, bolt hole, set bolt, pin hole, connection holes, latch, it is characterized in that: one end of described connecting rod is fixedly connected with the middle part of handle is vertical, the other end of connecting rod is provided with spring, one end of spring is fixedly connected with one end of connecting rod, the other end of spring is fixedly connected with the top of fixed block, circular hole is provided with in fixed block, collet head is provided with in circular hole, the outer wall of collet head is provided with first order annular groove and second level annular groove, fixed block is provided with screw hole, trip bolt is provided with in screw hole, spring is provided with in fixed block, after one end of collet head embeds the circular hole be arranged in fixed block, the screw rod of trip bolt also embeds in the first order annular groove or second level annular groove that are arranged on collet head outer wall through the screw hole be arranged on fixed block, collet head is fixed in fixed block, connecting rod is provided with check lock lever, through hole is provided with in check lock lever, check lock lever is provided with bolt hole, set bolt is provided with in bolt hole, after in one end of connecting rod enters and is arranged in check lock lever through hole, set bolt is through the bolt hole be arranged on check lock lever, check lock lever is fixed on the outside of connecting rod, fixed block is provided with pin hole, collet head is provided with connection holes, latch is provided with in pin hole, latch is successively through after the pin hole be arranged on fixed block and the connection holes being arranged on collet head, collet head is locked in fixed block.
The length of described latch is greater than the external diameter of described fixed block.
The diameter of described fixed block is greater than the external diameter of described spring.
The height of described fixed block is greater than the height of described collet head.
The height of described collet head is greater than the width of described first order annular groove and second level annular groove.
The width of described first order annular groove and second level annular groove is greater than the diameter of the screw rod of described trip bolt.
The length of described connecting rod is greater than the drift of described spring.
The length of described connecting rod is greater than the height of described fixed block.
The drift of described spring is greater than the height of described collet head.
Described spring is cylindrical helical spring.
The diameter of described connecting rod is greater than the external diameter of described spring.
The surface of described handle, connecting rod, spring, fixed block, trip bolt, collet head is through the concentrated sulfuric acid or red fuming nitric acid (RFNA) Passivation Treatment at normal temperatures, and object improves the resistance to corrosion of spanner, to adapt to the severe working environment of various complexity.
Compared with prior art, the utility model has following beneficial effect: structure is simple, easy to use, dismounting and fastening can be carried out to the bolt or nut being in the narrow location such as corner, and can prevent the excessive nut that causes of moment from damaging, be conducive to improving dismounting and being fasteningly in the bolt of the narrow location such as corner or the operating efficiency of nut.
Accompanying drawing explanation
Fig. 1 is perspective view of the present utility model.
Fig. 2 is stereochemical structure exploded perspective view of the present utility model.
Fig. 3 is the perspective view of fixed block 4 in the utility model.
Fig. 4 is the perspective view of the utility model middle sleeve head 8.
Fig. 5 is the perspective view of check lock lever 11 in the utility model.
In figure: 1-handle, 2-connecting rod, 3-spring, 4-fixed block, 5-circular hole, 6-screw hole, 7-trip bolt, 8-collet head, 9-first order annular groove, 10-second level annular groove, 11-check lock lever, 12-through hole, 13-bolt hole, 14-set bolt, 15-pin hole, 16-connection holes, 17-latch.
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 adjustable antioverloading box spanner of the T-shaped load of a kind of connecting rod folding type, comprises handle 1, connecting rod 2, spring 3, fixed block 4, circular hole 5, screw hole 6, trip bolt 7, collet head 8, first order annular groove 9, second level annular groove 10, check lock lever 11, through hole 12, bolt hole 13, set bolt 14, pin hole 15, connection holes 16, latch 17, it is characterized in that: one end of described connecting rod 2 is fixedly connected with the middle part of handle 1 is vertical, the other end of connecting rod 2 is provided with spring 3, one end of spring 3 is fixedly connected with one end of connecting rod 2, the other end of spring 3 is fixedly connected with the top of fixed block 4, circular hole 5 is provided with in fixed block 4, collet head 8 is provided with in circular hole 5, the outer wall of collet head 8 is provided with first order annular groove 9 and second level annular groove 10, fixed block 4 is provided with screw hole 6, trip bolt 7 is provided with in screw hole 6, spring 3 is provided with in fixed block 4, after one end of collet head 8 embeds the circular hole 5 be arranged in fixed block 4, the screw rod of trip bolt 7 also embeds in the first order annular groove 9 or second level annular groove 10 that are arranged on collet head 8 outer wall through the screw hole 6 be arranged on fixed block 4, collet head 8 is fixed in fixed block 4, connecting rod 2 is provided with check lock lever 11, through hole 12 is provided with in check lock lever 11, check lock lever 11 is provided with bolt hole 13, set bolt 14 is provided with in bolt hole 13, one end of connecting rod 2 enters and is arranged on after in through hole in check lock lever 11 12, set bolt 14 is through the bolt hole 13 be arranged on check lock lever 11, check lock lever 11 is fixed on the outside of connecting rod 2, fixed block 4 is provided with pin hole 15, collet head 8 is provided with connection holes 16, latch 17 is provided with in pin hole 15, latch 17 is successively through arranging
Pin hole on fixed block 4 15 and after being arranged on collet head 8 connection holes 16, is locked in collet head 8 in fixed block 4.
The length of described latch 17 is greater than the external diameter of described fixed block 4.
The diameter of described fixed block 4 is greater than the external diameter of described spring 3.
The height of described fixed block 4 is greater than the height of described collet head 8.
The height of described collet head 8 is greater than the width of described first order annular groove 9 and second level annular groove 10.
The width of described first order annular groove 9 and second level annular groove 10 is greater than the diameter of the screw rod of described trip bolt 7.
The length of described connecting rod 2 is greater than the drift of described spring 3.
The length of described connecting rod 2 is greater than the height of described fixed block 4.
The drift of described spring 3 is greater than the height of described collet head 8.
Described spring 3 is cylindrical helical spring.
The diameter of described connecting rod 2 is greater than the external diameter of described spring 3.
The surface of described handle 1, connecting rod 2, spring 3, fixed block 4, trip bolt 7, collet head 8 is through the concentrated sulfuric acid or red fuming nitric acid (RFNA) Passivation Treatment at normal temperatures, and object improves the resistance to corrosion of spanner, to adapt to the severe working environment of various complexity.
As shown in Figure 1, when need to the bolt or nut that are in the narrow location such as corner carry out dismounting and fastening time, first unscrew set bolt 14, then check lock lever 11 is stretched into along connecting rod 2, the bolt 14 that is simultaneously tightened gets final product fixing and locking bar 11, finally collet head 8 is aimed at and need to be disassembled and fastening bolt or nut, lateral pressure is applied by spring 3 bending to handle 1, be disassembled and be inserted in collet head 8 with fastening bolt or nut by needs simultaneously, turning handle 1 can carry out dismounting and fastening to bolt or nut.
When do not need to the bolt or nut that are in the narrow location such as corner carry out dismounting and fastening time, first unscrew set bolt 14, then check lock lever 11 is stretched out along connecting rod 2 and the top of fixed block 4 is inserted in check lock lever 11, the bolt 14 that is simultaneously tightened gets final product fixing and locking bar 11, now applying lateral pressure to handle 1 just can not spring 3 bending, and finally being aimed at by collet head 8 needs to be disassembled with fastening bolt or nut and turning handle 1 can carry out dismounting and fastening to bolt or nut.
When moment is greater than the frictional force at spring 3 pairs of collet head 8 tops, collet head 8 just can skid in fixed block 4, 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, first screw out trip bolt 7, then according to actual needs by first order annular groove 9 or second level annular groove 10 alignment screw hole 6, finally the screw rod of trip bolt 7 is embedded in first order annular groove 9 or second level annular groove 10 can change its can the size of maximum moment of load.
When collet head 8 is locked in fixed block 4 by needs, collet head 8 successively can be locked in fixed block 4 through the pin hole 15 be arranged on fixed block 4 and the connection holes 16 be arranged on collet head 8 by latch 17.
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 adjustable antioverloading box spanner of the T-shaped load of connecting rod folding type, comprise handle (1), connecting rod (2), spring (3), fixed block (4), circular hole (5), screw hole (6), trip bolt (7), collet head (8), first order annular groove (9), second level annular groove (10), check lock lever (11), through hole (12), bolt hole (13), set bolt (14), pin hole (15), connection holes (16), latch (17), it is characterized in that: one end of described connecting rod (2) is fixedly connected with the middle part of handle (1) is vertical, the other end of connecting rod (2) is provided with spring (3), one end of spring (3) is fixedly connected with one end of connecting rod (2), the other end of spring (3) is fixedly connected with the top of fixed block (4), circular hole (5) is provided with in fixed block (4), collet head (8) is provided with in circular hole (5), the outer wall of collet head (8) is provided with first order annular groove (9) and second level annular groove (10), fixed block (4) is provided with screw hole (6), trip bolt (7) is provided with in screw hole (6), spring (3) is provided with in fixed block (4), after one end of collet head (8) embeds the circular hole (5) be arranged in fixed block (4), the screw rod of trip bolt (7) is through the screw hole (6) be arranged on fixed block (4) and embed in the first order annular groove (9) that is arranged on collet head (8) outer wall or second level annular groove (10), collet head (8) is fixed in fixed block (4), connecting rod (2) is provided with check lock lever (11), through hole (12) is provided with in check lock lever (11), check lock lever (11) is provided with bolt hole (13), set bolt (14) is provided with in bolt hole (13), after in one end of connecting rod (2) enters and is arranged in check lock lever (11) through hole (12), set bolt (14) is through the bolt hole (13) be arranged on check lock lever (11), check lock lever (11) is fixed on the outside of connecting rod (2), fixed block (4) is provided with pin hole (15), collet head (8) is provided with connection holes (16), latch (17) is provided with in pin hole (15), latch (17) is successively through after the pin hole (15) be arranged on fixed block (4) and the connection holes (16) being arranged on collet head (8), collet head (8) is locked in fixed block (4).
2. the adjustable antioverloading box spanner of the T-shaped load of a kind of connecting rod folding type according to claim 1, is characterized in that: the length of described latch (17) is greater than the external diameter of described fixed block (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420697523.1U CN204308820U (en) | 2014-11-20 | 2014-11-20 | The adjustable antioverloading box spanner of a kind of T-shaped load of connecting rod folding type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420697523.1U CN204308820U (en) | 2014-11-20 | 2014-11-20 | The adjustable antioverloading box spanner of a kind of T-shaped load of connecting rod folding type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204308820U true CN204308820U (en) | 2015-05-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420697523.1U Expired - Fee Related CN204308820U (en) | 2014-11-20 | 2014-11-20 | The adjustable antioverloading box spanner of a kind of T-shaped load of connecting rod folding type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204308820U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106312924A (en) * | 2016-10-11 | 2017-01-11 | 河钢股份有限公司邯郸分公司 | Heavy bolt combining and fastening tool |
| CN110056068A (en) * | 2018-01-18 | 2019-07-26 | 厦门汉洁卫浴有限公司 | Fasten adjustable apparatus |
-
2014
- 2014-11-20 CN CN201420697523.1U patent/CN204308820U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106312924A (en) * | 2016-10-11 | 2017-01-11 | 河钢股份有限公司邯郸分公司 | Heavy bolt combining and fastening tool |
| CN110056068A (en) * | 2018-01-18 | 2019-07-26 | 厦门汉洁卫浴有限公司 | Fasten adjustable apparatus |
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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: 20150506 Termination date: 20151120 |
|
| EXPY | Termination of patent right or utility model |