CN211371062U

CN211371062U - Novel keyway-shaped coupler

Info

Publication number: CN211371062U
Application number: CN201922291115.1U
Authority: CN
Inventors: 翟寿缙
Original assignee: Suzhou Divine New Energy Co ltd
Current assignee: Suzhou Divine New Energy Co ltd
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-08-28
Anticipated expiration: 2029-12-19

Abstract

The utility model discloses a novel keyway shaft coupling, including the shaft coupling aluminum pipe, the shaft hole has been seted up at the center of shaft coupling aluminum pipe, has seted up the bar keyway on the outer periphery of shaft coupling aluminum pipe, and bar keyway department is provided with the screw hole, is provided with the bar key in the bar keyway, and the bar key is tightly decided the screw through the protruding end and is installed on the shaft coupling aluminum pipe, and the protruding end is tightly decided to be provided with on the screw and is changeed the mechanism, changes the mechanism and includes handle, preceding support ring board, back support ring board, spliced pole and spacing ring. The utility model discloses a keyway shape shaft coupling adopts conventional pipe processing bar keyway, only adopts drilling tapping technology can realize the setting of screw hole, and processing is simple and the degree of difficulty is little, and processing is cheap under the little condition of volume, with the motor shaft perforating hole and install it in the shaft coupling aluminium pipe, installs the bar key in the bar keyway, through the fixed of protruding end holding screw realization shaft coupling aluminium pipe, bar key and motor shaft, the motor is difficult for droing in the axial under the condition of perpendicular installation.

Description

Novel keyway-shaped coupler

Technical Field

The utility model relates to a shaft coupling technical field specifically is a novel keyway shape shaft coupling.

Background

The coupling is a device for connecting two shafts or a shaft and a rotating part, rotating together in the process of transmitting motion and power and not separating under normal conditions. Sometimes it is used as a safety device to prevent the coupled machine parts from bearing excessive load, and it plays the role of overload protection.

When using, the existing coupler mostly processes the key groove on the inner wall of the coupler, the motor shaft is installed in the key groove, then the installation key is fixed, the processing difficulty of the coupler is larger, if the coupler is expensive to process under the condition of small volume, the problem of radial transmission force can be solved by the coupler, but the motor is easy to fall off in the axial direction under the condition of vertical installation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel keyway shape shaft coupling, processing is simple and the degree of difficulty is little, to processing cheaply under the little condition of volume, and the motor is difficult for droing under the condition of perpendicular installation to the axial, can solve the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: a novel keyway-shaped coupler comprises a coupler aluminum pipe, wherein a shaft hole is formed in the center of the coupler aluminum pipe, a strip-shaped keyway is formed in the outer circumferential surface of the coupler aluminum pipe, a threaded hole is formed in the strip-shaped keyway and communicated with the shaft hole, a strip-shaped key is arranged in the strip-shaped keyway, an installation through hole is uniformly distributed in the strip-shaped key, and the strip-shaped key is installed on the coupler aluminum pipe through a convex end fastening screw;

be provided with on the tight set screw of protruding end and change a mechanism, it includes handle, preceding supporting ring board, back supporting ring board, spliced pole and spacing ring to change a mechanism, the spacing ring is installed on the outer periphery of the tight set screw of protruding end, the both sides of spacing ring are provided with preceding supporting ring board and back supporting ring board respectively, preceding supporting ring board and back supporting ring board all overlap on the tight set screw of protruding end, preceding supporting ring board is connected through parallel and symmetric distribution's spliced pole with back supporting ring board, still install the handle on the preceding supporting ring board.

Preferably, the threaded end of the convex end fastening screw is fixed in the threaded hole, and the unthreaded end of the convex end fastening screw is located in the mounting through hole.

Preferably, the threaded hole corresponds to the position of the mounting through hole.

Preferably, the rear support ring plate is further provided with a telescopic spring and a telescopic guide post, and the rear support ring plate is further connected with the limiting ring through the telescopic spring and the telescopic guide post.

Preferably, the front support ring plate and the rear support ring plate are the same, and the diameters of the front support ring plate and the rear support ring plate are both larger than the diameter of the limiting ring.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a keyway shape shaft coupling adopts conventional pipe processing bar keyway, only adopts drilling tapping technology can realize the setting of screw hole, and processing is simple and the degree of difficulty is little, and processing is cheap under the little condition of volume, with the motor shaft perforating hole and install it in the shaft coupling aluminium pipe, installs the bar key in the bar keyway, through the fixed of protruding end holding screw realization shaft coupling aluminium pipe, bar key and motor shaft, the motor is difficult for droing in the axial under the condition of perpendicular installation.

Drawings

Fig. 1 is a schematic view of a key-groove type coupling of the present invention;

fig. 2 is a top view of the key-groove coupling of the present invention;

fig. 3 is a schematic view of the coupling aluminum pipe of the present invention;

fig. 4 is a sectional top view of the coupling aluminum pipe of the present invention;

fig. 5 is a sectional top view of the key groove type coupling of the present invention;

FIG. 6 is an enlarged view of the point A of the present invention;

fig. 7 is a schematic view of the male end fastening screw of the present invention.

In the figure: 1. a coupling aluminum tube; 11. a shaft hole; 12. a strip-shaped key groove; 121. a threaded hole; 2. a bar key; 21. mounting a through hole; 3. the convex end tightly fixes the screw; 4. a handle rotating mechanism; 41. a handle; 42. a front support ring plate; 43. a rear support ring plate; 44. connecting columns; 45. a limiting ring; 5. a tension spring; 6. a telescopic guide post.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-7, a novel keyway type coupler comprises a coupler aluminum pipe 1, a shaft hole 11 is formed in the center of the coupler aluminum pipe 1, a strip-shaped keyway 12 is formed in the outer circumferential surface of the coupler aluminum pipe 1, a threaded hole 121 is formed in the position of the strip-shaped keyway 12, the threaded hole 121 corresponds to a mounting through hole 21, the strip-shaped keyway 12 is machined by a conventional circular pipe, the arrangement of the threaded hole 121 can be realized only by a drilling and tapping process, the machining is simple and has small difficulty, the machining is cheap under the condition of small quantity, the threaded hole 121 is communicated with the shaft hole 11, strip-shaped keys 2 are arranged in the strip-shaped keyway 12, the strip-shaped keys 2 are respectively provided with a mounting through hole 21, the strip-shaped keys 2 are mounted on the coupler aluminum pipe 1 through a convex end fastening screw 3, one end of the convex end fastening screw 3 with a thread is, a through hole is drilled on a motor shaft and the motor shaft is installed in a coupler aluminum pipe 1, a bar-shaped key 2 is installed in a bar-shaped key groove 12, the coupler aluminum pipe 1, the bar-shaped key 2 and the motor shaft are fixed through a convex end fastening screw 3, and the motor is not easy to fall off axially under the condition of vertical installation.

The lug end fastening screw 3 is provided with a rotating handle mechanism 4, the rotating handle mechanism 4 comprises a handle 41, a front supporting ring plate 42, a rear supporting ring plate 43, a connecting column 44 and a limiting ring 45, during installation, the front supporting ring plate 42, the connecting column 44 and the rear supporting ring plate 43 are driven by the handle 41 to rotate so as to enable the lug end fastening screw 3 to rotate and be installed in the threaded hole 121, at the moment, the rotating handle mechanism 4 is accommodated in the installation through hole 21, when the coupling aluminum pipe 1 is disassembled, the handle 41 is pulled outwards, at the moment, the telescopic spring 5 and the telescopic guide column 6 are both contracted until the handle 41 is positioned at the outer side of the installation through hole 21, at the moment, the front supporting ring plate 42, the connecting column 44 and the rear supporting ring plate 43 are driven by the handle 41 to rotate so as to enable the lug end fastening screw 3 to rotate and leave the threaded hole 121, at the motor shaft is not installed on the coupling aluminum pipe 1 through the lug end, the limiting ring 45 is installed on the outer circumferential surface of the protruding end fastening screw 3, a front supporting ring plate 42 and a rear supporting ring plate 43 are respectively arranged on two sides of the limiting ring 45, the front supporting ring plate 42 is the same as the rear supporting ring plate 43, the diameters of the front supporting ring plate 42 and the rear supporting ring plate 43 are larger than the diameter of the limiting ring 45, the front supporting ring plate 42 and the rear supporting ring plate 43 are sleeved on the protruding end fastening screw 3, an expansion spring 5 and an expansion guide column 6 are further arranged on the rear supporting ring plate 43, the rear supporting ring plate 43 is further connected with the limiting ring 45 through the expansion spring 5 and the expansion guide column 6, the front supporting ring plate 42 and the rear supporting ring plate 43 are connected through connecting columns 44 which are parallel and symmetrically distributed, and a handle 41 is further installed on the front supporting ring plate 42.

To sum up, the utility model discloses a keyway shape shaft coupling adopts conventional pipe processing bar keyway 12, only adopts drilling tapping technology can realize the setting of screw hole 121, and processing is simple and the degree of difficulty is little, and to processing cheaply under the little condition of volume, with the motor shaft perforating hole and install it in shaft coupling aluminum pipe 1, install bar key 2 in bar keyway 12, through the fixed of protruding end tight set screw 3 realization shaft coupling aluminum pipe 1, bar key 2 and motor shaft, the motor is difficult for droing under the condition of perpendicular installation to the axial.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel keyway shape shaft coupling, includes shaft coupling aluminum pipe (1), its characterized in that: the center of the coupling aluminum pipe (1) is provided with a shaft hole (11), the outer circumferential surface of the coupling aluminum pipe (1) is provided with a strip-shaped key groove (12), a threaded hole (121) is formed in the strip-shaped key groove (12), the threaded hole (121) is communicated with the shaft hole (11), a strip-shaped key (2) is arranged in the strip-shaped key groove (12), mounting through holes (21) are uniformly distributed in the strip-shaped key (2), and the strip-shaped key (2) is mounted on the coupling aluminum pipe (1) through a convex end fastening screw (3);

it changes mechanism (4) to be provided with on protruding end tight set screw (3), it includes handle (41), preceding supporting ring board (42), back supporting ring board (43), spliced pole (44) and spacing ring (45) to change mechanism (4), install on the outer periphery of protruding end tight set screw (3) spacing ring (45), supporting ring board (42) and back supporting ring board (43) before the both sides of spacing ring (45) are provided with respectively, preceding supporting ring board (42) and back supporting ring board (43) all overlap on protruding end tight set screw (3), preceding supporting ring board (42) and back supporting ring board (43) are connected through parallel and symmetric distribution's spliced pole (44), still install handle (41) on preceding supporting ring board (42).

2. A novel spline coupler according to claim 1, wherein: the threaded end of the convex end fastening screw (3) is fixed in the threaded hole (121), and the unthreaded end of the convex end fastening screw (3) is positioned in the mounting through hole (21).

3. A novel spline coupler according to claim 1, wherein: the threaded hole (121) corresponds to the position of the mounting through hole (21).

4. A novel spline coupler according to claim 1, wherein: the rear support ring plate (43) is further provided with a telescopic spring (5) and a telescopic guide post (6), and the rear support ring plate (43) is further connected with a limiting ring (45) through the telescopic spring (5) and the telescopic guide post (6).

5. A novel spline coupler according to claim 1, wherein: the front support ring plate (42) and the rear support ring plate (43) are the same, and the diameters of the front support ring plate (42) and the rear support ring plate (43) are larger than that of the limiting ring (45).