CN205342934U - Flexible hook spanner - Google Patents
Flexible hook spanner Download PDFInfo
- Publication number
- CN205342934U CN205342934U CN201521135943.1U CN201521135943U CN205342934U CN 205342934 U CN205342934 U CN 205342934U CN 201521135943 U CN201521135943 U CN 201521135943U CN 205342934 U CN205342934 U CN 205342934U
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- chain
- tapped
- hook
- handle
- length
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Abstract
The utility model discloses a flexible hook spanner is applicable to dismantlement and installation that not unidimensional lathe main shaft connect the stem nut, including handle and the work portion of setting at the handle front end, work portion includes: the chain, the gib head, the sprocket, its with the chain meshes mutually for extend / shorten the length of chain, and the stopper, be used for the restriction the sprocket is rotatory the utility model discloses the flexible characteristic of utilizing the chain can realize the coupling nut of different diameter specifications, and the convertibility characteristics of reunion hook spanner pothook can adapt to the pore size of different diameter nut unthreaded holes.
Description
Technical field
This utility model relates to the spanner of mechanical field.More specifically, this utility model relates to a kind of flexible hook spanner adapting to different size main shaft extension bar nut.
Background technology
The Chinese patent that the patent No. is " CN201320009192-3 " discloses a kind of adjustable hook spanner, but for a kind of attaching nut's dismounting, scope can only be used extremely limited.To for various sizes of attaching nut, then need the hook spanner preparing several different size to complete dismounting, carry and be inconvenient in plant maintenance process, and after the abrasion of hook spanner grab, whole hook spanner can only be scrapped.
Utility model content
A purpose of the present utility model is to solve at least the above, and provides the advantage that at least will be described later.
This utility model is it is also an object that provide the hook-shaped spanner of the machine tool chief axis extension bar nut of a kind of different size easy to carry, applicable, different light hole size.
In order to realize according to these purposes of the present utility model and further advantage, provide a kind of flexible hook-shaped spanner, suitable in dismounting and the installation of various sizes of machine tool chief axis extension bar nut, including handle and the work portion being arranged on handle front end, described work portion includes:
Chain, its front end is provided with the first tapped through hole；
Gib head, it is threaded in described first tapped through hole, for being fastened in the unthreaded hole of described main shaft extension bar nut；
Sprocket wheel, it is arranged on the front end of described handle by supporting seat, and is meshed with the rear end of described chain, with the length of chain described in extension/contraction；And
Limited block, it contacts with described sprocket wheel, is used for limiting described sprocket wheel and rotates.
In another embodiment, the front end of described chain and the front end of described handle are respectively provided with a hollow ring, one spring steel wire by two ends be provided with can hollow ring described in hook hook and above-mentioned two hollow ring can clamping, the length of described spring steel wire is more than the air line distance between above-mentioned two hollow ring；
Described hook is flexibly connected with described spring steel wire, so that described spring steel wire can do rotation movement with the straight line at two hollow ring places for rotating shaft.
In another embodiment, the front end of described handle is additionally provided with segmental arc, the profile of described main shaft extension bar nut of fitting with part.
In another embodiment, described handle includes basic courses department and sliding part, and described basic courses department is provided with groove along its length, and described sliding part is slidably disposed on described groove；
Wherein, several the second tapped through holes are offered on the surface of described basic courses department along its length, several the 3rd tapped through holes are offered on the surface of described sliding part along its length, and described second tapped through hole is in the same size with described 3rd tapped through hole, to wear fixing bolt.
In another embodiment, described gib head has plurality of specifications to adapt to different size of unthreaded hole.
In another embodiment, the surface configuration of described gib head has the coating of increasing friction force.
In another embodiment, the surface configuration of described segmental arc has the coating of increasing friction force.
This utility model at least includes following beneficial effect:
1, flexible chain is adopted to connect gib head, it is possible to contact with the exterior contour of main shaft extension bar nut to greatest extent, it is adaptable to the environment of narrow space.
2, chain is connected with sprocket wheel, it is possible to effectively control the length of chain, it is possible to freely regulate the length of chain according to the diameter of various sizes of machine tool chief axis extension bar nut, greatly strengthen use scope of the present utility model.
3, this utility model arranges a spring steel wire, and effect is in that to ensure that soft chain keeps certain range of extension and radian, solves the problem that flexible chain is not easily shaped, and can is stuck in by gib head on the unthreaded hole of main shaft extension bar nut easily.
4, this utility model adopts telescopic handle, it is possible to achieve with moment dismounting little as far as possible and installation nut.
Part is embodied by further advantage of the present utility model, target and feature by description below, and part also will by being understood by those skilled in the art research of the present utility model and practice.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the side-looking structural representation in utility model works portion.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in further detail, to make those skilled in the art can implement according to this with reference to description word.
It should be noted that, in description of the present utility model, term " transverse direction ", " longitudinal direction ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, it is for only for ease of description this utility model and simplifies description, it is not indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.
As depicted in figs. 1 and 2, this utility model provides a kind of flexible hook-shaped spanner, it is adaptable to the dismounting of various sizes of machine tool chief axis extension bar nut 6 and installation, and including handle 5 and the work portion being arranged on handle 5 front end, described work portion includes:
Chain 1, its front end is provided with the first tapped through hole 101；
Gib head 2, it is threaded in described first tapped through hole 101, for being fastened in the unthreaded hole 601 of described main shaft extension bar nut 6；
Sprocket wheel 3, it is arranged on the front end of described handle 5 by supporting seat, and it is meshed with the rear end of described chain 1, the length of chain 1 described in extension/contraction；And
Limited block, does not mark in figure, and it contacts with described sprocket wheel 3, is used for limiting described sprocket wheel 3 and rotates.This limit method can be designed as: limited block is a latch being perpendicular to sprocket wheel 3 plane, when limited block is moved between the tooth of sprocket wheel 3, namely stops that sprocket wheel 3 is rotated further；May be designed in limited block is shape that one end is hinged on handle 5 front end, that have the tooth being meshed with sprocket wheel 3, and when limited block is contacted with sprocket wheel 3, namely sprocket wheel 3 is confined, it is impossible to move.
In one embodiment, the front end of described chain 1 and the front end of described handle 5 are respectively provided with a hollow ring, two ends are provided with and can the spring steel wire 4 of eave tile of hollow ring described in hook be connected on above-mentioned two hollow ring, and the length of described spring steel wire 4 is more than the air line distance between above-mentioned two hollow ring；
Wherein, described eave tile is flexibly connected with described spring steel wire 4, so that described spring steel wire can do rotation movement with the straight line at the spacing ring place at two ends for rotating shaft.Described spring steel wire 4 can either reach support chains 1 to launch, rather than be rolled into one or naturally droop, it is wound around described main shaft extension bar nut 6 without hindering chain 1, because spring steel wire 4 can do rotation movement, even if spring steel wire 4 touches main shaft extension bar nut 6, also can naturally rotate, the winding action of chain 1 will not be hindered.
In one embodiment, the front end of described handle 5 is additionally provided with segmental arc 7, the profile of described main shaft extension bar nut 6 of fitting with part, is so designed to the contact area increasing main shaft extension bar nut 6 with spanner, reduces the pressure on main shaft extension bar nut 6 surface.
In one embodiment, described handle 5 includes basic courses department 50l and sliding part 502, and described basic courses department 501 is provided with groove along its length, and described sliding part 502 is slidably disposed on described groove；
In one embodiment, wherein, several the second tapped through holes are offered on the surface of described basic courses department 501 along its length, several the 3rd tapped through holes are offered on the surface of described sliding part 502 along its length, described second tapped through hole is in the same size with described 3rd tapped through hole, to wear fixing bolt 8.
In one embodiment, described gib head 2 is the gib head 2 of removable applicable different unthreaded hole 601 sizes.
In one embodiment, the surface configuration of described gib head 2 has the coating of increasing friction force.
In one embodiment, the surface configuration of described segmental arc 7 has the coating of increasing friction force.
Although embodiment of the present utility model is disclosed as above, but listed utilization that it is not restricted in description and embodiment, it can be applied to various applicable field of the present utility model completely, for those skilled in the art, it is easily achieved other amendment, therefore, under the general concept limited without departing substantially from claim and equivalency range, this utility model is not limited to specific details and shown here as the legend with description.
Claims (7)
1. a flexible hook-shaped spanner, it is adaptable to the dismounting of various sizes of machine tool chief axis extension bar nut and installation, including handle and the work portion being arranged on handle front end, it is characterised in that described work portion includes:
Chain, its front end is provided with the first tapped through hole；
Gib head, it is threaded in described first tapped through hole, for being fastened in the unthreaded hole of described main shaft extension bar nut；
Sprocket wheel, it is arranged on the front end of described handle by supporting seat, and is meshed with the rear end of described chain, with the length of chain described in extension/contraction；And
Limited block, it contacts with described sprocket wheel, is used for limiting described sprocket wheel and rotates.
2. flexible hook-shaped spanner as claimed in claim 1, it is characterized in that, the front end of described chain and the front end of described handle are respectively provided with a hollow ring, one spring steel wire by two ends be provided with can hollow ring described in hook hook and above-mentioned two hollow ring can clamping, the length of described spring steel wire is more than the air line distance between above-mentioned two hollow ring；
Wherein, described hook is flexibly connected with described spring steel wire, so that described spring steel wire can do rotation movement with the straight line at two hollow ring places for rotating shaft.
3. flexible hook-shaped spanner as claimed in claim 1, it is characterised in that the front end of described handle is additionally provided with segmental arc, the profile of described main shaft extension bar nut of fitting with part.
4. flexible hook-shaped spanner as claimed in claim 1, it is characterised in that described handle includes basic courses department and sliding part, and described basic courses department is provided with groove along its length, and described sliding part is slidably disposed on described groove；
Wherein, several the second tapped through holes are offered on the surface of described basic courses department along its length, several the 3rd tapped through holes are offered on the surface of described sliding part along its length, and described second tapped through hole is in the same size with described 3rd tapped through hole, to wear fixing bolt.
5. flexible hook-shaped spanner as claimed in claim 1, it is characterised in that described gib head has plurality of specifications to adapt to different size of unthreaded hole.
6. flexible hook-shaped spanner as claimed in claim 1, it is characterised in that the surface configuration of described gib head has the coating of increasing friction force.
7. flexible hook-shaped spanner as claimed in claim 3, it is characterised in that the surface configuration of described segmental arc has the coating of increasing friction force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521135943.1U CN205342934U (en) | 2015-12-31 | 2015-12-31 | Flexible hook spanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521135943.1U CN205342934U (en) | 2015-12-31 | 2015-12-31 | Flexible hook spanner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205342934U true CN205342934U (en) | 2016-06-29 |
Family
ID=56173394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521135943.1U Active CN205342934U (en) | 2015-12-31 | 2015-12-31 | Flexible hook spanner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205342934U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105415257A (en) * | 2015-12-31 | 2016-03-23 | 武汉天和技术股份有限公司 | Flexible hook spanner |
| CN106863191A (en) * | 2017-04-10 | 2017-06-20 | 泸州市金松机械设备制造有限公司 | A kind of spanner with double splayed jaw structures |
| CN106903636A (en) * | 2017-04-10 | 2017-06-30 | 泸州市金松机械设备制造有限公司 | A kind of multipurpose wrench device with adjustable handle structure |
| CN109397166A (en) * | 2018-11-14 | 2019-03-01 | 深圳唐渠科技有限公司 | A kind of fastener unscrews tightening tool |
-
2015
- 2015-12-31 CN CN201521135943.1U patent/CN205342934U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105415257A (en) * | 2015-12-31 | 2016-03-23 | 武汉天和技术股份有限公司 | Flexible hook spanner |
| CN106863191A (en) * | 2017-04-10 | 2017-06-20 | 泸州市金松机械设备制造有限公司 | A kind of spanner with double splayed jaw structures |
| CN106903636A (en) * | 2017-04-10 | 2017-06-30 | 泸州市金松机械设备制造有限公司 | A kind of multipurpose wrench device with adjustable handle structure |
| CN106863191B (en) * | 2017-04-10 | 2019-07-19 | 泸州市金松机械设备制造有限公司 | A kind of spanner with double splayed jaw structures |
| CN109397166A (en) * | 2018-11-14 | 2019-03-01 | 深圳唐渠科技有限公司 | A kind of fastener unscrews tightening tool |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |