CN105587778A - Stirring coupling - Google Patents

Abstract

The invention discloses a stirring coupling which comprises a driving shaft and a driven shaft. A middle element used for connecting the driving shaft and the driven shaft is arranged between the driving shaft and the driven shaft. The two ends of the middle element are both provided with a plug. Protrusion parts are arranged on the side walls of the plugs. The driving shaft and the driven shaft are both provided with an insertion groove allowing the corresponding plug to be inserted in. The inner walls of the insertion grooves are provided with concave parts matched with the protrusion parts. The driving shaft and the driven shaft are provided with limiting mechanisms used for preventing the middle element from disengaging. The problems that the coupling needs to be corrected again and operation is tedious when a coupling is detached can be solved.

Description

A kind of shaft coupling that stirs

Technical field

The present invention relates to mechanical transmission fields, particularly a kind of shaft coupling that stirs.

Background technology

Two axles (driving shaft and driven shaft) that shaft coupling is used for connecting in different institutions make it the machine components of common rotation with transmitting torque. In the power transmission of high-speed overload, it is the effect of dynamic property that some shaft coupling also has buffering, vibration damping and raising axle.

For example, in reactor, shaft coupling is mainly the effect of playing coupled reaction still kettle and agitator. When shaft coupling selection of a great variety, first should, according to the selected suitable type of job requirement, then according to diameter calculated torque and the rotating speed of axle, then from about finding applicable model handbook, finally do necessary checking computations to some vital part. As an important stressed fulcrum of reactor, both played certain connection function, also play the good effect of accepting, for make between motor and shaft be connected more firm, shaft flexible rotating.

But existing shaft coupling when mounted, and difficulty is looked for perpendicularity, so there is the difficult problem of installing; In unloading process, have and be difficult for the problem that makes each isolation of components easy; To sum up, existing shaft coupling has the problem of dismounting difficulty.

Summary of the invention

The deficiency existing for prior art, the object of the present invention is to provide a kind of shaft coupling that stirs, and can solve in the time of dismounting shaft coupling and need to again correct shaft coupling, operates comparatively loaded down with trivial details problem.

For achieving the above object, the invention provides following technical scheme:

A kind of shaft coupling that stirs, comprise driving shaft and driven shaft, between described driving shaft and driven shaft, be provided with the middleware for being connected driving shaft and driven shaft, described middleware two ends are provided with plug, in plug sidewalls, be provided with lug boss, described driving shaft and driven shaft are provided with the slot inserting for plug, and slot inwall is provided with the depressed part coordinating with lug boss, and described driving shaft and driven shaft are provided with the position-limit mechanism for preventing that middleware from coming off.

By taking technique scheme, in the time that needs use shaft coupling, first make to be connected by middleware between driving shaft and driven shaft, the two ends of middleware are provided with on plug and plug and are provided with lug boss, plug can be inserted into respectively in the slot of driving shaft and driven shaft, simultaneously in order to prevent that middleware from rotating in the slot of driving shaft and driven shaft, on slot inwall, be provided with depressed part, depressed part can make lug boss embedded, plug is in the time being inserted into slot, because making plug, the effect of depressed part and lug boss blocks in slot, avoid plug spinning in slot to skid, but middleware can tilt by any direction again in slot, simultaneously arranging of position-limit mechanism can avoid middleware to occur from situation about departing from slot.

The present invention is further set to: described middleware includes the inserted link that connects two ends plug, and described inserted link section radius is less than plug section radius.

By taking technique scheme, in the time that driving shaft and driven shaft carry out, middleware is inserted in slot completely, in order to make can to tilt between driving shaft and driven shaft and inserted link, middleware is provided with inserted link, the section radius of inserted link is less than the section radius of plug, while making inserted link in slot, do not contact with the inwall of slot, the plug that only has middleware with slot inwall to contacting, therefore between middleware and driving shaft and driven shaft, can tilt to any direction, the effect of blocking that has simultaneously just increased plug and slot because of the effect of lug boss and depressed part, can not make middleware that the phenomenon that spinning is skidded occurs in slot.

The present invention is further set to: the projection piece that is provided with at least two above equidistant arrangements on described plug.

By taking technique scheme, in order to make the steadiness between middleware and driving shaft and driven shaft better, the plug projection portion of middleware is that symmetrical both sides on plug arrange, although independent lug boss also can make can not spin in the slot generation of phenomenon of plug, due to the middleware spin phenomenon of skidding in driving shaft and driven shaft, thereby driving shaft cannot be synchronizeed and rotate with driven shaft, but plug can occur when independent lug boss makes plug in slot does not have lug boss one end and slot inwall produce spacing and rock, can not be well and slot laminating, symmetrically arranged lug boss can well locking-type plug in slot.

The present invention is further set to: described lug boss is dome-type.

By taking technique scheme, the effect of lug boss is exactly mainly in the depressed part embedding in slot, thereby what make that middleware can be firm is inserted in slot, but in order to prevent that lug boss from because corner angle make centre, Caton phenomenon occurring in the time departing from driving shaft and driven shaft, depressed part in lug boss and slot is all set to dome-type, the setting of dome-type ensure that lug boss can be embedded into and in depressed part, prevent the middleware spin of skidding, and can avoid again lug boss Caton phenomenon to occur in the time rotating because of the too much driving shaft of corner angle and driven shaft.

The present invention is further set to: the back-up ring that described position-limit mechanism includes position-limited edge and establishes with spacing checkpost.

By taking technique scheme, because shaft coupling is that driving shaft and driven shaft are completely inserted in slot and realize by middleware in use, now driving shaft and driven shaft interconnect, prevent that driving shaft and driven shaft from coming off, so be provided with collar on the inserted link of middleware, after middleware inserts in slot completely, collar blocks driving shaft and driven shaft and can prevent that driving shaft and driven shaft from coming off in the time of rotation.

The present invention is further set to: described driving shaft and driven shaft are provided with screw thread away from middleware one end.

By taking technique scheme, arranging of screw thread can make driving shaft be connected respectively distinct device and equipment component with driven shaft, and screw thread is convenient to remove and install.

The present invention is further set to: described plug is set to fillet away from inserted link place.

By taking technique scheme, comparatively smooth when the design of fillet can make plug carry out any j angular turn in slot, avoid the phenomenon that occurs that card pauses.

Compared to prior art, the present invention, after dismounting shaft coupling, when shaft coupling is corrected again, has advantage simple to operate.

Brief description of the drawings

Fig. 1 is embodiment view;

Fig. 2 is the A-A profile of Fig. 1.

Reference numeral: 11, middleware; 110, driving shaft; 111, driven shaft; 112, plug; 113, inserted link; 114, back-up ring; 115, lug boss; 116, slot; 117, depressed part; 118, position-limited edge.

Detailed description of the invention

With reference to accompanying drawing, embodiments of the invention are described further.

See figures.1.and.2, a kind of shaft coupling that stirs, comprises driving shaft 110, driven shaft 111 and middleware 11, and driving shaft 110 is connected with driven shaft 111 by middleware 11; The slot 116 arranging on driving shaft 110 in installation process can facilitate the plug 112 on middleware 11 to insert connection, between the middleware 11 and driving shaft 110 now connecting by inserting mode, the lug boss 115 arranging on middleware 11 is embedded in the depressed part 117 of driving shaft 110 madial walls just, can prevent that middleware 11 from skidding and causing spinning phenomenon to occur in driving shaft 110.

Simultaneously for the middleware 11 that prevents from pegging graft departs from driving shaft 110, the back-up ring 114 that is provided with position-limited edge 118 and coordinates with position-limited edge 118 on driving shaft 110, in unloading process, only need make successively position-limited edge 118 separate with back-up ring 114, lug boss 115 departs from depressed part 117 can realize dismounting fast, in order to prevent that driving shaft 110 and driven shaft 111 can conveniently fast disassemblings, middleware 11 is provided with inserted link 113, the section radius of inserted link 113 is less than the section radius of plug 112, inserted link 113 is not contacted with the inwall of slot 116 in the time that slot 116 is interior, the plug 112 that only has middleware 11 with slot 116 inwalls to contacting, thereby reduce the excessive problem that is not easy to dismounting of frictional force between middleware 11 and driving shaft 110 and driven shaft 111, simultaneously because lug boss 115 and the effect of depressed part 117 have just increased the frictional force of plug 112 with slot 116, the phenomenon that can not make middleware 11 skid in the interior generation spinning of slot 116.

In order to make the steadiness between middleware 11 and driving shaft 110 and driven shaft 111 better, the plug 112 projection portions 115 of middleware 11 are that symmetrical both sides on plug 112 arrange, although independent lug boss 115 also can make can not spin in slot 116 generation of phenomenon of plug 112, due to the middleware 11 spin phenomenon of skidding in driving shaft 110 and driven shaft 111, thereby driving shaft 110 cannot be synchronizeed and rotate with driven shaft 111, but making plug 112 that plug 112 can occur in the time that slot 116 is interior, independent lug boss 115 do not have lug boss 115 one end and slot 116 inwalls produce spacing and rock, can not be well and slot 116 fit, symmetrically arranged lug boss 115 can well locking-type plug 112 in slot 116. to sum up shaft coupling is that driving shaft 110 inserts the interior realization of slot 116 with driven shaft 111 completely by middleware 11 in use.

Now driving shaft 110 interconnects with driven shaft 111, driving shaft 110 can come off in the time rotating with driven shaft 111, so be provided with back-up ring 114 on the inserted link 113 of middleware 11, back-up ring 114 is stuck in the draw-in groove in driving shaft 110 and driven shaft 111, prevents that shaft coupling from coming off between driving shaft 110 and driven shaft 111 in the time rotating.

Arranging of screw thread can make driving shaft 110 be connected respectively distinct device and equipment component with driven shaft 111, and screw thread is convenient to remove and install.

The above is only the preferred embodiment of the present invention, and protection scope of the present invention is also not only confined to above-described embodiment, and all technical schemes belonging under thinking of the present invention all belong to protection scope of the present invention. It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (7)

1. a stirring shaft coupling, comprise driving shaft (110) and driven shaft (111), it is characterized in that: between described driving shaft (110) and driven shaft (111), be provided with the middleware (11) for being connected driving shaft (110) and driven shaft, described middleware (11) two ends are provided with plug (112), on plug (112) sidewall, be provided with lug boss (115), described driving shaft (110) is provided with driven shaft (111) slot (116) inserting for plug (112), slot (116) inwall is provided with the depressed part (117) coordinating with lug boss (115), described driving shaft (110) is provided with the position-limit mechanism for preventing that middleware from coming off with driven shaft (111).

2. a kind of shaft coupling that stirs according to claim 1, it is characterized in that: described middleware (11) includes the inserted link (113) that connects two ends plugs (112), and described inserted link (113) section radius is less than plug (112) section radius.

3. a kind of shaft coupling that stirs according to claim 1, is characterized in that: the projection piece (115) that is provided with at least two above equidistant arrangements on described plug (112).

4. a kind of shaft coupling that stirs according to claim 1, is characterized in that: described lug boss (115) is dome-type.

5. a kind of shaft coupling that stirs according to claim 1, is characterized in that: the back-up ring (114) that described position-limit mechanism includes position-limited edge (118) and establishes with spacing checkpost.

6. a kind of shaft coupling that stirs according to claim 1, is characterized in that: described driving shaft (110) is provided with screw thread with driven shaft (111) away from middleware (11) one end.

7. a kind of shaft coupling that stirs according to claim 1, is characterized in that: described plug (112) locates to be set to fillet away from inserted link (113).