CN204108898U - A kind of bending dual-purpose type antioverloading box spanner - Google Patents
A kind of bending dual-purpose type antioverloading box spanner Download PDFInfo
- Publication number
- CN204108898U CN204108898U CN201420612284.5U CN201420612284U CN204108898U CN 204108898 U CN204108898 U CN 204108898U CN 201420612284 U CN201420612284 U CN 201420612284U CN 204108898 U CN204108898 U CN 204108898U
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- China
- Prior art keywords
- bolt
- hole
- fixed block
- connecting rod
- lock lever
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Abstract
The utility model relates to a kind of bending dual-purpose type antioverloading box spanner, comprises handle, connecting rod, spring, fixed block, circular hole, screw hole, trip bolt, collet head, annular groove, check lock lever, through hole, bolt hole, set bolt.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 a kind of bending dual-purpose type antioverloading box spanner, 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 bending dual-purpose type 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 fastening bending dual-purpose type antioverloading box spanner 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: a kind of bending dual-purpose type antioverloading box spanner, comprise handle, connecting rod, spring, fixed block, circular hole, screw hole, trip bolt, collet head, annular groove, check lock lever, through hole, bolt hole, set bolt, 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 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 is through the screw hole be arranged on fixed block and embedding is arranged in the annular groove on collet head outer wall, 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.
The length of described check lock lever is greater than the height of described collet head.
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 annular groove.
The width of described 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 diameter of described fixed block is greater than the external diameter of described spring.
The surface of described handle, connecting rod, spring, fixed block, trip bolt, collet head, check lock lever, set bolt is through the concentrated sulfuric acid or red fuming nitric acid (RFNA) Passivation Treatment at normal temperatures, 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 10 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-annular groove, 10-check lock lever, 11-through hole, 12-bolt hole, 13-set bolt.
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 bending dual-purpose type antioverloading box spanner, comprises handle 1, connecting rod 2, spring 3, fixed block 4, circular hole 5, screw hole 6, trip bolt 7, collet head 8, annular groove 9, check lock lever 10, through hole 11, bolt hole 12, set bolt 13, 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 annular groove 9, 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 embedding is arranged in the annular groove 9 on collet head 8 outer wall, collet head 8 is fixed in fixed block 4, connecting rod 2 is provided with check lock lever 10, through hole 11 is provided with in check lock lever 10, check lock lever 10 is provided with bolt hole 12, set bolt 13 is provided with in bolt hole 12, one end of connecting rod 2 enters and is arranged on after in through hole in check lock lever 10 11, set bolt 13 is through the bolt hole 12 be arranged on check lock lever 10, check lock lever 10 is fixed on the outside of connecting rod 2.
The length of described check lock lever 10 is greater than the height of described collet head 8.
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 annular groove 9.
The width of described annular groove 9 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 diameter of described fixed block 4 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, check lock lever 10, set bolt 13 is through the concentrated sulfuric acid or red fuming nitric acid (RFNA) Passivation Treatment at normal temperatures, 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 13, then check lock lever 10 is stretched into along connecting rod 2, the bolt 13 that is simultaneously tightened gets final product fixing and locking bar 10, 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 13, then check lock lever 10 is stretched out along connecting rod 2 and the top of fixed block 4 is inserted in check lock lever 10, the bolt 13 that is simultaneously tightened gets final product fixing and locking bar 10, 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.
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 bending dual-purpose type antioverloading box spanner, comprise handle (1), connecting rod (2), spring (3), fixed block (4), circular hole (5), screw hole (6), trip bolt (7), collet head (8), annular groove (9), check lock lever (10), through hole (11), bolt hole (12), set bolt (13), 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 annular groove (9), 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 embedding is arranged in the annular groove (9) on collet head (8) outer wall, collet head (8) is fixed in fixed block (4), connecting rod (2) is provided with check lock lever (10), through hole (11) is provided with in check lock lever (10), check lock lever (10) is provided with bolt hole (12), set bolt (13) is provided with in bolt hole (12), after in one end of connecting rod (2) enters and is arranged in check lock lever (10) through hole (11), set bolt (13) is through the bolt hole (12) be arranged on check lock lever (10), check lock lever (10) is fixed on the outside of connecting rod (2).
2. a kind of bending dual-purpose type antioverloading box spanner according to claim 1, is characterized in that: the length of described check lock lever (10) is greater than the height of described collet head (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420612284.5U CN204108898U (en) | 2014-10-22 | 2014-10-22 | A kind of bending dual-purpose type antioverloading box spanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420612284.5U CN204108898U (en) | 2014-10-22 | 2014-10-22 | A kind of bending dual-purpose type antioverloading box spanner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204108898U true CN204108898U (en) | 2015-01-21 |
Family
ID=52326253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420612284.5U Expired - Fee Related CN204108898U (en) | 2014-10-22 | 2014-10-22 | A kind of bending dual-purpose type antioverloading box spanner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204108898U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113199429A (en) * | 2021-05-24 | 2021-08-03 | 徐州工程学院 | Adjustable nut dismounting device |
-
2014
- 2014-10-22 CN CN201420612284.5U patent/CN204108898U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113199429A (en) * | 2021-05-24 | 2021-08-03 | 徐州工程学院 | Adjustable nut dismounting device |
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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: 20150121 Termination date: 20151022 |
|
| EXPY | Termination of patent right or utility model |