CN204640054U - A kind of two degrees of freedom drive wrench - Google Patents
A kind of two degrees of freedom drive wrench Download PDFInfo
- Publication number
- CN204640054U CN204640054U CN201520156785.1U CN201520156785U CN204640054U CN 204640054 U CN204640054 U CN 204640054U CN 201520156785 U CN201520156785 U CN 201520156785U CN 204640054 U CN204640054 U CN 204640054U
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- China
- Prior art keywords
- handle
- degrees
- executive item
- sprocket
- transmission device
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- Expired - Fee Related
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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The utility model provides a kind of two degrees of freedom drive wrench, belongs to hardware & tools technical field.This two degrees of freedom drive wrench comprises handle and executive item, by handle and executive item are separated, and set up one-level or secondary transmission device between, the transmission device that during operation, appearance and size is less and executive item enter in narrow space, and outside stayed by handle; During rotary handle, moment is passed to executive item by one-level or secondary transmission device, thus completes disassembling operations.It take Chain conveyer as the Novel transmission spanner of operation principle that the utility model have developed a kind of, and its structure is simple, easy to use, can realize binary flexible adjustment, forms multiple-working mode; The utility model breaches the inherent shortcoming of conventional tool spanner, solves the dismounting problem of small space internal thread connecting piece.
Description
Technical field
The utility model relates to hardware & tools technical field, specifically a kind of two degrees of freedom drive wrench.
Background technology
In production, life, the dismounting of the threaded connector such as nut, bolt uses the instruments such as monkey wrench, back-up wrench and box spanner usually.Analyze from structure, these traditional tool wrench are made up of handle and executive item two parts usually.Owing to needing the larger anglec of rotation during dismounting, two parts link together, and thus must have enough space ability complete operations.But in the process that vehicle maintenance or other mechanical device are repaired, if threaded connector is in narrow and small crack just, or in long narrow passage, traditional tool wrench is restricted owing to rotating, just cannot dismounting, or dismounting is difficult.
Summary of the invention
Technical assignment of the present utility model is for the deficiencies in the prior art, provides a kind of two degrees of freedom drive wrench that can play a role in small space.By handle and executive item being separated, and increase transmission device between, the transmission device that during operation, appearance and size is less and executive item enter in narrow space, and outside stayed by handle; During rotary handle, moment is passed to executive item by transmission device, thus complete disassembling operations.
The utility model solves the technical scheme that its technical problem adopts:
Scheme one: a kind of two degrees of freedom drive wrench, comprise handle and executive item, first level transmission device is provided with between handle and executive item, described first level transmission device comprises driving shaft, driven shaft, is relatively located at driving shaft and the drive sprocket on driven shaft and driven sprocket and the chain being connected drive sprocket and driven sprocket, above-mentioned first level transmission device is assemblied in and is fixedly connected with in formed containment housing by housing with cover plate, described driving shaft stretches out casing and is fixedly connected with handle, and driven shaft stretches out casing and is fixedly connected with executive item.
Above-mentioned two degrees of freedom drive wrench, its handle is ratchet handle, plays the feature of ratchet mechanism, does not need to do continuous integral cycle rotating during operation, only needs unidirectional intermittently to rotate.In addition, by pulling change-over switch, can bidirectional operation be realized, reaching the object of tearing open and filling.
Above-mentioned two degrees of freedom drive wrench, its executive item is sleeve.
Above-mentioned two degrees of freedom drive wrench, its executive item also comprises the universal joint coordinating sleeve to use, and during to guarantee dismounting, sleeve can be enclosed within threaded connector reliably.
Scheme two: a kind of two degrees of freedom drive wrench, comprises handle and executive item, be provided with secondary transmission device between handle and executive item, described secondary transmission device comprises the first transmission component and the second transmission component;
Described first transmission component comprises the first driving shaft, the first driven shaft, is relatively located at the first driving shaft and the first drive sprocket on the first driven shaft and the first driven sprocket and the first chain being connected the first drive sprocket and the first driven sprocket, above-mentioned first transmission component is assemblied in and is fixedly connected with in the first formed containment housing by housing with cover plate, and described first driven shaft is fixedly connected with the second transmission component through the first containment housing;
Described second transmission component comprises the second driven shaft, is located at the second drive sprocket of the first driven shaft end, is located at the second driven sprocket on the second driven shaft and connects the second chain of the second drive sprocket and the second driven sprocket, and above-mentioned second transmission component is assemblied in and is fixedly connected with in the second formed containment housing by housing with cover plate;
Described first driving shaft stretches out the first containment housing and is fixedly connected with handle, and the second driven shaft stretches out the second containment housing and is fixedly connected with executive item.
Above-mentioned two degrees of freedom drive wrench, its handle is ratchet handle, plays the feature of ratchet mechanism, does not need to do continuous integral cycle rotating during operation, only needs unidirectional intermittently to rotate.In addition, by pulling change-over switch, can bidirectional operation be realized, reaching the object of tearing open and filling.
Above-mentioned two degrees of freedom drive wrench, its executive item is sleeve.
Above-mentioned two degrees of freedom drive wrench, its executive item also comprises the universal joint coordinating sleeve to use, and during to guarantee dismounting, sleeve can be enclosed within threaded connector reliably.
Compared with prior art, the beneficial effect produced is a kind of two degrees of freedom drive wrench of the present utility model:
1, breach the inherent shortcoming of conventional tool spanner, solve the dismounting problem of small space internal thread connecting piece;
2, have developed a kind of take Chain conveyer as the Novel transmission spanner of operation principle; On the one hand, Chain conveyer be two sprocket wheels by chain drive, by selecting suitable chain length to realize long-distance transmission, and do not increase appearance and size; On the other hand, Chain conveyer is positive drive, can not skid;
3, this two degrees of freedom drive wrench has three kinds of mode of operations: a) the most basic ratchet handle and sleeve combination pattern; B) primary transmission pattern is used; C) use secondary transmission pattern, enhance flexibility and the accessibility of operation in space;
4, the transmission device used is assemblied in closed box, improves ease for use.
A kind of two degrees of freedom drive wrench of the present utility model, its structure is simple, easy to use, on the basis of existing ratchet handle and sleeve, set up one-level or secondary transmission device, be easy to realize binary flexible adjustment, form multiple-working mode, solve the dismounting problem of small space internal thread connecting piece.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of a kind of two degrees of freedom drive wrench in embodiment one;
Accompanying drawing 2 is the plan structure figure after Fig. 1 removes handle and executive item;
Accompanying drawing 3 is structural representations of a kind of two degrees of freedom drive wrench in embodiment two;
Accompanying drawing 4 be Fig. 3 remove after handle and executive item plan structure figure.
In figure, 1, ratchet handle, 2, executive item, 3, transmission device, 4, casing, 5, housing, 6, cover plate, 7, drive sprocket, the 701, first drive sprocket, 702, the second drive sprocket, 8, driven sprocket, the 801, first driven sprocket, 802, the second driven sprocket, 9, chain, the 901, first chain, 902, the second chain, 10, square hole axle, 11, self-locking square toes axle.
Detailed description of the invention
Below in conjunction with accompanying drawing 1-4, a kind of two degrees of freedom drive wrench of the present utility model is described in detail below.
Embodiment one
As accompanying drawing 1, shown in 2, a kind of two degrees of freedom drive wrench of the present utility model, comprise ratchet handle 1 and sleeve 2, transmission device 3 is provided with between ratchet handle 1 and sleeve 2, described transmission device 3 is primary transmission, it comprises driving shaft, driven shaft, relatively be located at the drive sprocket 7 on driving shaft and driven shaft and driven sprocket 8, and connect the chain 9 of drive sprocket 7 and driven sprocket 8, above-mentioned first level transmission device is assemblied in and is fixedly connected with in formed containment housing 4 by housing 5 with cover plate 6, described driving shaft stretches out casing 4 and is fixedly connected with ratchet handle 1, driven shaft stretches out casing 4 and is fixedly connected with sleeve 2.
Above-mentioned two degrees of freedom drive wrench, its driving shaft is square hole axle 10, and driven shaft is self-locking square toes axle 11.
Above-mentioned two degrees of freedom drive wrench, during actual use, for being adapted to the needs of the threaded connector of all size size, 5-13mm totally 9 kinds of specifications selected by sleeve 2.In addition, when considering dismounting, sleeve can be enclosed within threaded connector reliably, and a universal joint can be selected to coordinate sleeve 2 to use.
Above-mentioned two degrees of freedom drive wrench, in manufacturing process, consider the appearance and size needs reducing transmission device 3, chosen drive sprocket 7 and the driven sprocket 8 of same specification, namely gearratio is 1.
The course of work of the present embodiment is described below: first according to the specification need tearing bolt open, selects suitable sleeve 2, and be installed in self-locking square toes axle 11, ratchet spanner 1 is inserted in square hole axle 10; Then sleeve 2 is enclosed within bolt head, holds casing 4, pull ratchet handle 1, just easily can pull down bolt.
Embodiment two
As shown in accompanying drawing 3,4, a kind of two degrees of freedom drive wrench of the present utility model, comprises ratchet handle 1 and sleeve 2, is provided with transmission device 3 between ratchet handle 1 and sleeve 2; Described transmission device 3 is secondary transmission, and it comprises the first transmission component and the second transmission component;
Described first transmission component comprises the first driving shaft, the first driven shaft, is relatively located at the first driving shaft and the first drive sprocket 701 on the first driven shaft and the first driven sprocket 801 and the first chain 901 being connected the first drive sprocket 701 and the first driven sprocket 801, above-mentioned first transmission component is assemblied in and is fixedly connected with in the first formed containment housing 4 by housing 5 with cover plate 6, and described first driven shaft is fixedly connected with the second transmission component through the first containment housing 4;
Described second transmission component comprises the second driven shaft, is located at the second drive sprocket 702 of the first driven shaft end, is located at the second driven sprocket 802 on the second driven shaft and connects the second chain 902 of the second drive sprocket 702 and the second driven sprocket 802, and above-mentioned second transmission component is assemblied in and is fixedly connected with in the second formed containment housing 4 by housing 5 with cover plate 6;
Described first driving shaft stretches out the first containment housing and is fixedly connected with ratchet handle 1, and the second driven shaft stretches out the second containment housing 4 and is fixedly connected with sleeve 2.
Above-mentioned two degrees of freedom drive wrench, during actual use, for being adapted to the needs of the threaded connector of all size size, 5-13mm totally 9 kinds of specifications selected by sleeve 2.In addition, when considering dismounting, sleeve can be enclosed within threaded connector reliably, and a universal joint can be selected to coordinate sleeve 2 to use.
Above-mentioned two degrees of freedom drive wrench, in manufacturing process, consider the appearance and size needs reducing transmission device 3, chosen the first drive sprocket 701, first driven sprocket 801, second drive sprocket 702 and the second driven sprocket 802 of same specification, namely gearratio is 1.
Above-mentioned two degrees of freedom drive wrench, the angle of the first chain 901 and the second chain 902 is 0-360 °, makes sleeve 2 can arrive optional position on two dimensional surface, further increases the flexibility of accessibility and operation.
When threaded connector is in small space, conventional tool spanner is helpless, and adopts primary transmission also to lack operating space.At this moment, secondary transmission pattern formation two degrees of freedom drive wrench can be used to use.Prove after tested, this mode is very flexible, effectively can complete the disassemble and assemble work in small space.
A kind of its processing and fabricating of two degrees of freedom drive wrench of the present utility model is simple and convenient, processing and fabricating shown in by specification accompanying drawing.
Except the technical characteristic described in description, be the known technology of those skilled in the art.
Claims (8)
1. a two degrees of freedom drive wrench, comprise handle and executive item, it is characterized in that, first level transmission device is provided with between handle and executive item, described first level transmission device comprises driving shaft, driven shaft, is relatively located at driving shaft and the drive sprocket on driven shaft and driven sprocket and the chain being connected drive sprocket and driven sprocket, above-mentioned first level transmission device is assemblied in and is fixedly connected with in formed containment housing by housing with cover plate, described driving shaft stretches out casing and is fixedly connected with handle, and driven shaft stretches out casing and is fixedly connected with executive item.
2. a kind of two degrees of freedom drive wrench according to claim 1, is characterized in that, described handle is ratchet handle.
3. a kind of two degrees of freedom drive wrench according to claim 1 and 2, is characterized in that, described executive item is sleeve.
4. a kind of two degrees of freedom drive wrench according to claim 1 and 2, is characterized in that, the universal joint that described executive item comprises sleeve and coordinates sleeve to use.
5. a two degrees of freedom drive wrench, comprises handle and executive item, it is characterized in that, be provided with secondary transmission device between handle and executive item, and described secondary transmission device comprises the first transmission component and the second transmission component;
Described first transmission component comprises the first driving shaft, the first driven shaft, is relatively located at the first driving shaft and the first drive sprocket on the first driven shaft and the first driven sprocket and the first chain being connected the first drive sprocket and the first driven sprocket, above-mentioned first transmission component is assemblied in and is fixedly connected with in the first formed containment housing by housing with cover plate, and described first driven shaft is fixedly connected with the second transmission component through the first containment housing;
Described second transmission component comprises the second driven shaft, is located at the second drive sprocket of the first driven shaft end, is located at the second driven sprocket on the second driven shaft and connects the second chain of the second drive sprocket and the second driven sprocket, and above-mentioned second transmission component is assemblied in and is fixedly connected with in the second formed containment housing by housing with cover plate;
Described first driving shaft stretches out the first containment housing and is fixedly connected with handle, and the second driven shaft stretches out the second containment housing and is fixedly connected with executive item.
6. a kind of two degrees of freedom drive wrench according to claim 5, is characterized in that, described handle is ratchet handle.
7. a kind of two degrees of freedom drive wrench according to claim 5 or 6, is characterized in that, described executive item is sleeve.
8. a kind of two degrees of freedom drive wrench according to claim 5 or 6, is characterized in that, the universal joint that described executive item comprises sleeve and coordinates sleeve to use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520156785.1U CN204640054U (en) | 2015-03-19 | 2015-03-19 | A kind of two degrees of freedom drive wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520156785.1U CN204640054U (en) | 2015-03-19 | 2015-03-19 | A kind of two degrees of freedom drive wrench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204640054U true CN204640054U (en) | 2015-09-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520156785.1U Expired - Fee Related CN204640054U (en) | 2015-03-19 | 2015-03-19 | A kind of two degrees of freedom drive wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204640054U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106363567A (en) * | 2016-12-02 | 2017-02-01 | 中国航天科技集团公司长征机械厂 | Method for applying torque in assisted way by using transfer torque wrench head |
| CN109866153A (en) * | 2017-12-01 | 2019-06-11 | 坤鑫国际有限公司 | Driving tools structure |
-
2015
- 2015-03-19 CN CN201520156785.1U patent/CN204640054U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106363567A (en) * | 2016-12-02 | 2017-02-01 | 中国航天科技集团公司长征机械厂 | Method for applying torque in assisted way by using transfer torque wrench head |
| CN109866153A (en) * | 2017-12-01 | 2019-06-11 | 坤鑫国际有限公司 | Driving tools structure |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150916 Termination date: 20160319 |