CN218953861U - Coupling - Google Patents

Abstract

The utility model relates to a coupler which comprises a first half shaft, a second half shaft, a connecting groove, a rotary buckle and a spring limiting module, wherein the first half shaft comprises a first connecting sleeve and a first shaft disc, and the first shaft disc is sleeved outside one end of the first connecting sleeve; the second half shaft comprises a second connecting sleeve and a second shaft disc, and the second shaft disc is sleeved outside the second connecting sleeve; the connecting grooves are correspondingly formed in the first shaft disc and the second shaft disc, each connecting groove of the first shaft disc is connected with a rotary buckle in a rotating mode along the extending direction of the connecting groove, the bottom of each connecting groove of the second shaft disc is provided with a sliding groove, and a spring limiting module is arranged in the sliding groove so that the rotary buckle on the first shaft disc extends into the connecting groove on the second shaft disc and is buckled with the spring limiting module. The beneficial effects of the utility model are as follows: compared with the mode of adopting a plurality of threaded screws to fix, the mode of adopting the cooperation of rotary rod and the spacing module of spring to fix saves time, and does not need to use the instrument.

Description

Coupling

Technical Field

The utility model relates to the technical field of couplings, in particular to a coupling.

Background

In order to improve the stability of connection between two half shafts, a common coupling on the market often adopts a plurality of groups of screw threaded connection between the half shafts, and when the coupling is assembled and disassembled, each group of screws need to be correspondingly installed in a threaded hole and respectively taken out, so that the time is relatively wasted.

Disclosure of Invention

The utility model aims to solve the technical problem of designing a coupler, and the time for assembling and disassembling the coupler is saved.

The technical scheme for solving the technical problems is as follows:

the shaft coupling comprises a first half shaft, a second half shaft, a connecting groove, a rotary buckle and a spring limiting module, wherein the first half shaft comprises a first connecting sleeve and a first shaft disc, and the first shaft disc is sleeved outside one end of the first connecting sleeve; the second half shaft comprises a second connecting sleeve and a second shaft disc, and the second shaft disc is sleeved outside the second connecting sleeve; the connecting grooves are correspondingly formed in the first shaft disc and the second shaft disc, each connecting groove of the first shaft disc is connected with a rotary buckle in a rotating mode along the extending direction of the connecting groove, the bottom of each connecting groove of the second shaft disc is provided with a sliding groove, and a spring limiting module is arranged in the sliding groove so that the rotary buckle on the first shaft disc extends into the connecting groove on the second shaft disc and is buckled with the spring limiting module.

The beneficial effects of the utility model are as follows: before the coupler is assembled, the first half shaft and the second half shaft are coaxially placed, then a rotary buckle is outwards rotated from a connecting groove of a first shaft disc of the first half shaft, then the first shaft disc is close to the second shaft disc, the rotary buckle is fastened on a spring limiting module in the connecting groove of the second shaft disc, a plurality of rotary buckles are respectively fastened on the spring limiting module of the second shaft disc in a corresponding manner, the rotary buckle is matched with the spring limiting module, the first half shaft and the second half shaft are fixed in position, and then the coupler is assembled; when the coupler is disassembled, only the spring limiting module is controlled to loosen the rotary buckle, and the rotary buckle in the connecting groove of the second shaft disc is sequentially taken down, so that the first half shaft is separated from the second half shaft, and the coupler is disassembled; compared with the mode of adopting a plurality of threaded screws to fix, the mode of adopting the cooperation of rotary rod and the spacing module of spring to fix saves time, and does not need to use the instrument.

On the basis of the technical scheme, the utility model can be improved as follows.

Further, the plurality of sliding grooves are connected in the second shaft disc to form an annular cylindrical groove; the spring limiting module comprises a spring and an adjusting mechanism, the adjusting mechanism comprises an adjusting ring, limiting clamping blocks and a pressing rod, the adjusting ring is arranged in the sliding groove in a sliding mode, a plurality of limiting clamping blocks are arranged around the adjusting ring, the limiting clamping blocks extend out of the sliding groove and are matched with a rotating buckle in the connecting groove, the pressing rod is arranged on the outer side of the adjusting ring and penetrates through the outer end of the sliding groove to extend out of the second shaft disc, one end of the spring is connected with the inner end of the sliding groove, and the other end of the spring is connected with the inner side of the adjusting ring.

Further, clamping devices are arranged in the first connecting sleeve and the second connecting sleeve, each clamping device comprises a clamping ring and a screw, the clamping ring is a section of missing major arc ring, one end of a clamping ring gap is provided with an adjusting groove, and the screw penetrates through the side wall of the first connecting sleeve or the second connecting sleeve and the other end of the clamping ring gap to be in threaded connection with the adjusting groove.

Further, a plurality of rubber sheets are adhered to the inner wall of the clamping ring.

Drawings

FIG. 1 is a schematic view of a coupling according to the present utility model;

FIG. 2 is a schematic view of a first half shaft of a coupling according to the present utility model;

FIG. 3 is a schematic view of a second half shaft configuration of a coupling according to the present utility model;

FIG. 4 is a schematic view of an adjusting mechanism of a coupling according to the present utility model;

FIG. 5 is a cross-sectional view of a second half shaft portion of a coupling according to the present utility model;

fig. 6 is a schematic structural view of a clamping device of a coupling according to the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1. the device comprises a first half shaft, 11, a first connecting sleeve, 12, a first shaft disc, 2, a second half shaft, 21, a second connecting sleeve, 22, a second shaft disc, 221, a sliding groove, 3, a connecting groove, 4, a rotary buckle, 5, a spring limiting module, 51, a spring, 52, an adjusting mechanism, 521, an adjusting ring, 522, a limiting clamping block, 523, a pressing rod, 6, a clamping device, 61, a clamping ring, 611, an adjusting groove, 612, a rubber sheet, 62 and a screw.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.

As shown in fig. 1 to 6, an embodiment 1 of the present utility model is a coupling, which comprises a first half shaft 1, a second half shaft 2, a connecting groove 3, a rotary buckle 4 and a spring limiting module 5, wherein the first half shaft 1 comprises a first connecting sleeve 11 and a first shaft disc 12, and the first shaft disc 12 is sleeved outside one end of the first connecting sleeve 11; the second half shaft 2 comprises a second connecting sleeve 21 and a second shaft disc 22, and the second shaft disc 22 is sleeved outside the second connecting sleeve 21; the first shaft disc 12 and the second shaft disc 22 are correspondingly provided with connecting grooves 3, each connecting groove 3 of the first shaft disc 12 is rotationally connected with a rotary buckle 4 along the extending direction of the connecting groove 3, the bottom of each connecting groove 3 of the second shaft disc 22 is provided with a sliding groove 221, and a spring limiting module 5 is arranged in the sliding groove 221 so that the rotary buckle 4 on the first shaft disc 12 extends into the connecting groove 3 on the second shaft disc 22 and is buckled with the spring limiting module 5.

Before the coupler is assembled, the first half shaft 1 and the second half shaft 2 are coaxially placed, then the rotary buckle 4 is outwards rotated from the connecting groove 3 of the first shaft disk 12 of the first half shaft 1, then the first shaft disk 12 is close to the second shaft disk 22, the rotary buckle 4 is fastened on the spring limiting module 5 in the connecting groove 3 of the second shaft disk 22, a plurality of rotary buckles 4 are respectively fastened on the spring limiting module 5 of the second shaft disk 22 correspondingly in sequence, and the rotary buckle 4 is matched with the spring limiting module 5 to fix the positions of the first half shaft 1 and the second half shaft 2, so that the coupler is assembled; when the coupler is dismounted, only the spring limiting module 5 is controlled to loosen the rotary buckle 4, and the rotary buckle 4 in the connecting groove 3 of the second shaft disc 22 is sequentially taken down, so that the first half shaft 1 and the second half shaft 2 are separated, and the dismounting of the coupler is completed; compared with the mode of adopting a plurality of threaded screws to fix, the mode of adopting the rotary rod to fix with the spring limit module 5 in a matching way saves time and does not need to use tools.

In the coupling according to embodiment 2 of the present utility model, on the basis of embodiment 1, a plurality of sliding grooves 221 are connected in the second shaft 22 to form an annular cylindrical groove; the spring limit module 5 comprises a spring 51 and an adjusting mechanism 52, the adjusting mechanism 52 comprises an adjusting ring 521, limit clamping blocks 522 and a pressing rod 523, the adjusting ring 521 is arranged in the sliding groove 221 in a sliding mode, a plurality of limit clamping blocks 522 are arranged around the adjusting ring 521, the limit clamping blocks 522 extend out of the sliding groove 221 and are matched with the rotary buckle 4 in the connecting groove 3, the pressing rod 523 is arranged on the outer side of the adjusting ring 521, the pressing rod 523 penetrates through the outer end of the sliding groove 221 to extend out of the second shaft disc 22, one end of the spring 51 is connected with the inner end of the sliding groove 221, and the other end of the spring 51 is connected with the inner side of the adjusting ring 521. When the coupler is assembled, the rotary buckle 4 is rotated to be clamped with the limit clamping block 522, and the limit clamping block 522 is tightly propped against the outer end of the sliding groove 221 under the action of the spring 51 in the sliding groove 221, so that the limit rotary buckle 4 cannot be unhooked from the limit clamping block 522, and the coupler is assembled; when the coupler is disassembled, the pressing rod 523 on the second shaft disc 22 is pressed inwards, the adjusting ring 521 slides inwards in the sliding groove 221 under the drive of the pressing rod 523, the spring 51 is compressed, the limiting clamping block 522 releases the position limitation of the rotary buckle 4, so that the rotary buckle 4 can fall off from the limiting clamping block 522, and the coupler is disassembled; the device has simple structure and strong practicability.

The embodiment 3 of the utility model provides a coupling, which further comprises a clamping device 6 on the basis of the embodiment 1, wherein the clamping device 6 is arranged in each of the first connecting sleeve 11 and the second connecting sleeve 21, the clamping device 6 comprises a clamping ring 61 and a screw 62, the clamping ring 61 is a section of a missing major arc ring, one end of a gap of the clamping ring 61 is provided with an adjusting groove 611, the screw 62 penetrates through the side wall of the first connecting sleeve 11 or the second connecting sleeve 21 and the other end of the gap of the clamping ring 61 to be in threaded connection with the adjusting groove 611. The screw 62 is screwed inwards, under the action of the screw 62, the gap of the clamping ring 61 is reduced, the inner diameter is reduced, and the power shaft or the output shaft is clamped, so that the coupling can meet the power transmission requirement of a series of shaft bodies under the condition that the half shafts are not replaced.

In the coupling according to embodiment 4 of the present utility model, a plurality of rubber sheets 612 are adhered to the inner wall of the clamp ring 61 on the basis of embodiment 3. The rubber sheet 612 can increase the friction force between the clamping ring 61 and the shaft body, and prevent the clamping ring 61 and the shaft body from rotating relatively during the rotation process of the coupling.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims (4)

1. The coupler is characterized by comprising a first half shaft (1), a second half shaft (2), a connecting groove (3), a rotary buckle (4) and a spring limiting module (5), wherein the first half shaft (1) comprises a first connecting sleeve (11) and a first shaft disc (12), and one end of the first connecting sleeve (11) is sleeved with the first shaft disc (12) outside; the second half shaft (2) comprises a second connecting sleeve (21) and a second shaft disc (22), and the second shaft disc (22) is sleeved outside the second connecting sleeve (21); the utility model discloses a spring limiting device, including first hub (12) and second hub (22), first hub (12) and second hub (22) are gone up to correspond and have been seted up spread groove (3), every of first hub (12) all follow in spread groove (3) extending direction rotates and is connected with rotatory knot (4), every of second hub (22) spread groove (3) bottom has all been seted up spout (221), be provided with in spout (221) spacing module of spring (5), so that rotatory knot (4) on first hub (12) stretch into in spread groove (3) on second hub (22) with spacing module of spring (5) lock.

2. A coupling according to claim 1, wherein a plurality of said slide grooves (221) are interconnected in said second shaft (22) to form annular cylindrical grooves; the spring limiting module (5) comprises a spring (51) and an adjusting mechanism (52), the adjusting mechanism (52) comprises an adjusting ring (521), limiting clamping blocks (522) and a pressing rod (523), the adjusting ring (521) is arranged in the sliding groove (221) in a sliding mode, a plurality of limiting clamping blocks (522) are arranged around the adjusting ring (521), the limiting clamping blocks (522) extend out of the sliding groove (221) and are matched with the rotary buckle (4) in the connecting groove (3), the pressing rod (523) is arranged on the outer side of the adjusting ring (521), the pressing rod (523) penetrates through the outer end of the sliding groove (221) to extend out of the second shaft disc (22), one end of the spring (51) is connected with the inner end of the sliding groove (221), and the other end of the spring (51) is connected with the inner side of the adjusting ring (521).

3. The coupling according to claim 1, further comprising a clamping device (6), wherein the clamping device (6) is arranged in each of the first connecting sleeve (11) and the second connecting sleeve (21), the clamping device (6) comprises a clamping ring (61) and a screw (62), the clamping ring (61) is a section of a missing major arc ring, an adjusting groove (611) is formed in one end of a gap of the clamping ring (61), and the screw (62) penetrates through the side wall of the first connecting sleeve (11) or the second connecting sleeve (21) and the other end of the gap of the clamping ring (61) to be in threaded connection with the adjusting groove (611).

4. A coupling according to claim 3, wherein the inner wall of the clamping ring (61) is glued with a plurality of rubber sheets (612).

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