CN212899434U

CN212899434U - Shaft coupling

Info

Publication number: CN212899434U
Application number: CN202021441477.0U
Authority: CN
Inventors: 贾乐平; 郝大凯
Original assignee: Weifang Haojun Smart Home Co ltd
Current assignee: Weifang Haojun Smart Home Co ltd
Priority date: 2020-07-21
Filing date: 2020-07-21
Publication date: 2021-04-06
Anticipated expiration: 2030-07-21

Abstract

The utility model discloses a coupler, it includes the driving shaft of being connected with power unit and the driven shaft of being connected with rotating part, the rigid coupling has main connection pad on the driving shaft, and the rigid coupling has the follow connection pad that suits with main connection pad on the driven shaft, and main connection pad corresponds on with following the connection pad and is equipped with a plurality of notches, and main connection pad is followed respectively to the notch and from connection pad ring cloth, and main connection pad is worn to be equipped with the bolt that passes the notch and bolt and will be connected main connection pad and follow connection pad as an organic whole from between the connection pad, main connection pad and follow and be connected with elastic support device between the connection pad. The utility model discloses realize rolling slats door main shaft and driving motor's quick power connection, have the advantage that power transmission is stable and long service life.

Description

Shaft coupling

Technical Field

The utility model relates to a coupler.

Background

The effect of shaft coupling is to carry out power connection with two axles, adopts the shaft coupling promptly, and the driving shaft can transmit power to the driven shaft through the shaft coupling. The existing coupling mainly comprises a rigid coupling and a flexible coupling, wherein the rigid coupling is generally adopted in the market, the main structure of the rigid coupling comprises a sleeve, a flange, a bearing and the like, and the structure of the rigid coupling is not described in detail; in order to compensate for the axial offset of the two shafts, a large number of flexible couplings, commonly known as universal joints (universal cross joints), ball and socket couplings, are available on the market.

The main shaft on the rolling door is driven by power through a motor. In the field installation process, the coaxiality of a main shaft on the roller shutter door and a power output shaft of a motor is difficult to guarantee, so that the problem that the existing rigid coupling cannot be adopted and abnormal sound or the roller shutter door main shaft is damaged easily occurs. If the flexible coupling in the prior art is adopted, the existing roller shutter door spindle needs to be redesigned, the production cost is greatly increased, and the roller shutter door is not practical.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a simple structure and the efficient shaft coupling of transmission, its power that can be applicable to main shaft and driving motor on the rolling slats door is connected to can realize installing fast.

In order to solve the technical problem, the provided coupler comprises a driving shaft connected with a power mechanism and a driven shaft connected with a rotating part, and is characterized in that: the driving shaft is fixedly connected with a main connecting disc, the driven shaft is fixedly connected with a secondary connecting disc matched with the main connecting disc, a plurality of notches are correspondingly arranged on the main connecting disc and the secondary connecting disc, the notches are annularly distributed along the main connecting disc and the secondary connecting disc respectively, bolts penetrating through the notches are arranged between the main connecting disc and the secondary connecting disc in a penetrating mode, the main connecting disc and the secondary connecting disc are connected into a whole through the bolts, and elastic supporting devices are connected between the main connecting disc and the secondary connecting disc.

The elastic supporting device comprises a supporting spring arranged on the main connecting disc, and the other end of the supporting spring abuts against the auxiliary connecting disc.

The main connecting disc is provided with a concave groove, the supporting spring is arranged in the concave groove, and a rotating ball is arranged between the end part of the supporting spring and the auxiliary connecting disc.

The bolt is sleeved with a wear-resistant sleeve positioned in the notch.

And an outer cover body covering the main connecting disc and the auxiliary connecting disc is arranged between the connecting parts of the driving shaft and the driven shaft.

The outer cover body is including the fixed cover body and go up the lid, and the fixed cover body has an end plate and a cover section of thick bamboo, goes up the lid for setting up in the cover body and the apron that sets up relatively with the end plate, the driving shaft wears the dress and just main connection pad is located the cover section of thick bamboo on the end plate of the fixed cover body, the driven shaft is worn the dress and is located between main connection pad and the last lid from the connection pad on following the connection pad.

The bolt penetrates through the other end of the cover plate after penetrating through the end plate of the fixed cover body.

The outer cover body comprises end cover plates respectively connected to the driving shaft and the driven shaft, and an outer cover cylinder covering the main connecting disc and the auxiliary connecting disc is connected between the two end cover plates.

After adopting above-mentioned structure, elastic support device's setting and main connection pad, from the setting of connection pad, when the driving shaft rotates, stretch into the setting in the notch through the bolt, main connection pad drives the bolt, from the connection pad rotation, thereby it rotates to drive the driven shaft, the transmission of power has been realized, and through elastic support device's setting, the axis of driving shaft and driven shaft no longer need strict axiality, main shaft and driving motor's on the rolling slats door quick installation power connection has been realized, make its life prolong greatly under the stable condition of power transmission.

To sum up, the utility model discloses realize rolling slats door main shaft and driving motor's quick power connection, have the advantage that power transmission is stable and long service life.

Drawings

The invention will be further described with reference to the accompanying drawings:

fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic view taken along line A-A of FIG. 1;

FIG. 3 is a schematic structural view taken along line B-B in FIG. 1;

fig. 4 is a schematic structural diagram of another embodiment of the present invention.

Detailed Description

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. That is, the left-right position in fig. 1 in this embodiment is the front-back position of this embodiment, the left side in fig. 1 is the front of this embodiment, the right side is the back of this embodiment, and the middle position near fig. 1 is the middle (or inner) of this embodiment.

As shown in fig. 1, fig. 2 and fig. 3, the utility model provides a shaft coupling, it includes driving shaft 1 that is connected with power unit and driven shaft 2 of being connected with rotatable parts, driving shaft and driven shaft are comparatively speaking, one of them axle can be connected with driving motor, in this embodiment, on its mainly used rolling slats door, therefore driven shaft 2 is connected with the main shaft of rolling slats door, driven shaft 2 can adopt the structure of square shaft, driving shaft 1 can be connected through rigid coupling power with driving motor's power take off shaft (even, the driving shaft can directly be driving motor's power take off shaft). The driving shaft 1 is fixedly connected with a main connecting disc 3, the driven shaft 2 is fixedly connected with a driven connecting disc 4 matched with the main connecting disc 3, the shape and the size of the main connecting disc and the driven connecting disc can be completely the same, a plurality of notches 5 are correspondingly arranged on the main connecting disc and the driven connecting disc and are respectively distributed along the main connecting disc and the driven connecting disc in an annular mode, the notches are uniformly distributed in an annular mode and are recessed inwards from the outer surface of the discs to form arc-shaped notches, bolts 10 penetrating through the notches are arranged between the main connecting disc and the driven connecting disc in a penetrating mode and connect the main connecting disc and the driven connecting disc into a whole through the bolts, in the embodiment, an outer cover body 7 covering the main connecting disc 3 and the driven connecting disc 4 is arranged between the connecting portions of the driving shaft and the driven shaft, the outer cover body 7 can prevent the bolts from falling off from the notches, the outer cover body 7 comprises a fixed cover body 71, go up lid 72 for setting up in the cover body and with the relative apron that sets up of end plate, the driving shaft wears to adorn on the end plate of fixed cover body 71 and main connection pad 3 is located the cover section of thick bamboo, driven shaft 2 wears to adorn from connection pad 4 and lies in between main connection pad and the last lid from the connection pad, main connection pad and have certain clearance from between the connection pad to the diameter of main connection pad and follow connection pad slightly is less than the internal diameter of cover section of thick bamboo, bolt 10 passes behind the end plate of the fixed cover body and wears out from the other end of apron. In this embodiment, the outer cover 7 rotates together with the driving shaft and the driven shaft.

Referring to fig. 1 to 3, an elastic supporting device is connected between the main connecting disc 3 and the slave connecting disc, the elastic supporting device may be an elastic cylinder in the prior art, in this embodiment, the elastic supporting device includes a supporting spring 33 disposed on the main connecting disc 3, the other end of the supporting spring abuts against the slave connecting disc, a concave groove 31 is disposed on the main connecting disc 3, the concave groove extends from the inner end of the main connecting disc to the direction of the driving shaft, the supporting spring is disposed in the concave groove, a rotating ball 32 is disposed between the end of the supporting spring and the slave connecting disc, a spherical-crown-shaped groove for the rotating ball to enter is disposed on the slave connecting disc, and this structure can keep a certain distance between the main connecting disc and the slave connecting disc and prevent the sliding friction of the supporting spring. The bolt is sleeved with a wear-resistant sleeve 6 positioned in the notch, and the arrangement of the wear-resistant sleeve can increase the transmission stability and prevent the bolt 10 from being worn. In the drawing of the present embodiment, the driving shaft is exposed through the end of the main connecting disk 3, that is, the recessed groove is provided on the end surface of the driving shaft, and since the section where the driving shaft is fixed to the main connecting disk can be regarded as a part of the main connecting disk, of course, the end of the driving shaft can be connected to the outer surface of the main connecting disk, and the connection between the slave connecting disk and the slave shaft can be made by the same principle, the portion where the recessed groove is provided may be the main connecting disk or the driving shaft in the drawing, and the support position of the other end of the support spring may be the slave connecting disk or the slave connecting disk.

Referring to fig. 4, the present invention provides another embodiment, the basic structure of which is the same as the above embodiment, except that the outer cover 7 includes end cover plates 74 rotatably connected to the driving shaft and the driven shaft, i.e. the driving shaft and the driven shaft are connected to the end cover plates through bearings, an outer cover cylinder 73 is connected between the end cover plates, and the end cover plates and the outer cover cylinder can be connected through connecting screws.

The utility model discloses do not receive the restriction of above-mentioned embodiment, at this technical field personnel, based on the utility model discloses the equivalent change and the part replacement of last concrete structure are all in the protection scope of the utility model.

Claims

1. The utility model provides a shaft coupling, includes driving shaft (1) and driven shaft (2) of being connected with rotatable parts that are connected with power unit, characterized by: the connecting device is characterized in that a main connecting disc (3) is fixedly connected to the driving shaft (1), a driven disc (4) matched with the main connecting disc (3) is fixedly connected to the driven shaft (2), a plurality of notches (5) are correspondingly arranged on the main connecting disc and the driven disc, the notches are annularly distributed along the main connecting disc and the driven disc respectively, bolts (10) penetrating through the notches are arranged between the main connecting disc and the driven disc in a penetrating mode, the main connecting disc and the driven disc are connected into a whole through the bolts, and an elastic supporting device is connected between the main connecting disc (3) and the driven disc.

2. The coupling of claim 1 wherein: the elastic supporting device comprises a supporting spring arranged on the main connecting disc (3), and the other end of the supporting spring abuts against the auxiliary connecting disc.

3. The coupling of claim 2 wherein: be equipped with recessed groove (31) on main connection pad (3), supporting spring sets up and is equipped with between supporting spring's the tip and the follow connection pad and changes the pearl in the recessed groove.

4. The coupling of claim 1 wherein: the bolt is sleeved with a wear-resistant sleeve (6) positioned in the notch.

5. A coupling according to any one of claims 1-4, wherein: and an outer cover body (7) which covers the main connecting disc (3) and the auxiliary connecting disc (4) is arranged between the connecting parts of the driving shaft and the driven shaft.

6. The coupling of claim 5 wherein: the outer cover body (7) comprises a fixed cover body (71) and an upper cover body (72), the fixed cover body is provided with an end plate and a cover cylinder, the upper cover body (72) is a cover plate which is arranged in the cover body and is opposite to the end plate, the driving shaft penetrates through the end plate of the fixed cover body (71) and the main connecting disc (3) is located in the cover cylinder, and the driven shaft (2) penetrates through the auxiliary connecting disc (4) and is located between the main connecting disc and the upper cover body from the connecting disc.

7. The coupling of claim 6 wherein: and the bolt (10) penetrates through the end plate of the fixed cover body and then penetrates out from the other end of the cover plate.

8. The coupling of claim 5 wherein: the outer cover body (7) comprises end cover plates (74) connected to the driving shaft and the driven shaft respectively, and an outer cover cylinder (73) covered on the main connecting disc (3) and the auxiliary connecting disc (4) is connected between the two end cover plates.