CN204308825U - A kind of telescopic handle connecting rod can the adjustable antioverloading box spanner of bending load - Google Patents
A kind of telescopic handle connecting rod can the adjustable antioverloading box spanner of bending load Download PDFInfo
- Publication number
- CN204308825U CN204308825U CN201420697606.0U CN201420697606U CN204308825U CN 204308825 U CN204308825 U CN 204308825U CN 201420697606 U CN201420697606 U CN 201420697606U CN 204308825 U CN204308825 U CN 204308825U
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- China
- Prior art keywords
- telescopic handle
- connecting rod
- fixed block
- annular groove
- handle
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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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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The utility model relates to a kind of telescopic handle connecting rod can the adjustable antioverloading box spanner of bending load, comprises handle, connecting rod, spring, fixed block, circular hole, screw hole, trip bolt, collet head, first order annular groove, second level annular groove, Telescopic handle.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 telescopic handle connecting rod can the adjustable antioverloading box spanner of bending load, 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 dismounting and fastening telescopic handle connecting rod can the adjustable antioverloading box spanner of bending load to 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 telescopic handle connecting rod can the adjustable antioverloading box spanner of bending load, comprise handle, connecting rod, spring, fixed block, circular hole, screw hole, trip bolt, collet head, first order annular groove, second level annular groove, Telescopic handle, 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, the outside of handle is provided with Telescopic handle, circular hole is provided with in Telescopic handle, Telescopic handle is provided with screw hole, after in one end of handle enters and is arranged in Telescopic handle circular hole, trip bolt is through the screw hole be arranged on Telescopic handle, Telescopic handle is fixed on handle.
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 trip bolt 7 and Telescopic handle 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-Telescopic handle.
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 telescopic handle connecting rod can the adjustable antioverloading box spanner of bending load, 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, Telescopic handle 11, 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, the outside of handle 1 is provided with Telescopic handle 11, circular hole 5 is provided with in Telescopic handle 11, Telescopic handle 11 is provided with screw hole 6, one end of handle 1 enters and is arranged on after in circular hole in Telescopic handle 11 5, trip bolt 7 is through the screw hole 6 be arranged on Telescopic handle 11, Telescopic handle 11 is fixed on handle 1.
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 collet head 8 is aimed at needs 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, rotary handle 1 can carry out dismounting and fastening to the bolt or nut being in the narrow location such as corner.
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.
In time needing the length of regulating handle 1, first unscrew trip bolt 7, then regulate Telescopic handle 11 to stretch out the length of handle 1, finally screw trip bolt 7 and can lock Telescopic handle 11, thus reach the object of regulating handle 1 length.
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 connecting rod can the adjustable antioverloading box spanner of bending load, 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), Telescopic handle (11), 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), the outside of handle (1) is provided with Telescopic handle (11), circular hole (5) is provided with in Telescopic handle (11), Telescopic handle (11) is provided with screw hole (6), after in one end of handle (1) enters and is arranged in Telescopic handle (11) circular hole (5), trip bolt (7) is through the screw hole (6) be arranged on Telescopic handle (11), Telescopic handle (11) is fixed on handle (1).
2. a kind of telescopic handle connecting rod according to claim 1 can the adjustable antioverloading box spanner of bending load, it is characterized in that: the diameter of described fixed block (4) is greater than the external diameter of described spring (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420697606.0U CN204308825U (en) | 2014-11-20 | 2014-11-20 | A kind of telescopic handle connecting rod can the adjustable antioverloading box spanner of bending load |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420697606.0U CN204308825U (en) | 2014-11-20 | 2014-11-20 | A kind of telescopic handle connecting rod can the adjustable antioverloading box spanner of bending load |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204308825U true CN204308825U (en) | 2015-05-06 |
Family
ID=53131157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420697606.0U Expired - Fee Related CN204308825U (en) | 2014-11-20 | 2014-11-20 | A kind of telescopic handle connecting rod can the adjustable antioverloading box spanner of bending load |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204308825U (en) |
-
2014
- 2014-11-20 CN CN201420697606.0U patent/CN204308825U/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: 20150506 Termination date: 20151120 |
|
| EXPY | Termination of patent right or utility model |