CN213628551U

CN213628551U - Slip coupling

Info

Publication number: CN213628551U
Application number: CN202022446081.1U
Authority: CN
Inventors: 林晓
Original assignee: Shenzhen Gangjing Precision Machinery Co ltd
Current assignee: Shenzhen Gangjing Precision Machinery Co ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-07-06
Anticipated expiration: 2030-10-29

Abstract

The utility model discloses a shaft coupling slides, including the initiative flange, initiative flange right-hand member screw thread interlude is connected with four bolts, four the common screw thread connection of bolt left end has initiative semi-axis, initiative semi-axis left end activity interlude is connected with advancing device, advancing device left end activity interlude is connected with the axle groove device, driven semi-axis has been cup jointed in the activity of axle groove device left end, driven semi-axis left end screw thread connection has driven flange, driven flange left end interlude is connected with the driven lever. A shaft coupling slides, through setting up initiative semi-axis and driven semi-axis, can match the meshing each other with the latch of two semi-axes to make the transmission of moment of torsion more smooth, reduced the mechanical wear when rotatory, and through setting up connecting pin with shaft groove device and advancing device swing joint, can dismantle fast when making shaft coupling internals produce the damage and repair and change.

Description

Slip coupling

Technical Field

The utility model relates to a shaft coupling technical field, in particular to shaft coupling slides.

Background

The coupler is a mechanical part which can be connected with a driving shaft and a driven shaft and can rotate together to transmit torque, the coupler is various, and can be divided into a fixed coupler and a movable coupler according to the change conditions of the relative positions and the positions of the two connected shafts, the fixed coupler is simple in structure and easy to manufacture, the movable coupler is complex in structure and wide in applicable range, and the existing sliding coupler has the following defects: 1. the existing coupler is mostly fixedly connected, when parts inside the coupler are damaged, the coupler is not easy to disassemble and maintain, and the overall replacement cost is high; 2. the friction loss is great when current slidable coupling rotates, and inside slider loss is serious, and the transmission of moment of torsion has the time delay when driving shaft and driven shaft rotate for mechanical wearing and tearing.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a shaft coupling slides, can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a sliding coupling, includes the initiative flange, initiative flange right-hand member screw thread interlude is connected with four bolts, four the common screw thread connection of bolt left end has initiative semi-axis, initiative semi-axis left end activity interlude is connected with advancing device, advancing device left end activity interlude is connected with the axle groove device, driven semi-axis has been cup jointed in the activity of axle groove device left end, driven semi-axis left end screw thread connection has driven flange, driven flange left end interlude is connected with the driven lever.

Preferably, the driven half shaft comprises a connecting block, a tooth head is fixedly connected to the right end of the connecting block, a plurality of clamping teeth are distributed on the right end of the tooth head in an equidistant annular array mode, a threaded rod is connected between the upper clamping teeth and the lower clamping teeth in a threaded penetrating mode, fastening nuts are connected to the front portion of the outer surface of the threaded rod and the rear portion of the outer surface in a threaded mode, and the left end of the connecting block is connected to the right end of the driven flange through bolts.

Preferably, the shaft groove device comprises an outer groove pipe, a wear-resistant pipe is fixedly connected to the inner surface of the outer groove pipe, first threaded holes penetrating through the outer groove pipe are formed in the front side of the outer surface of the outer groove pipe and the rear side of the outer surface of the outer groove pipe, sliding grooves are formed in the front side of the inner surface of the wear-resistant pipe and the rear side of the inner surface of the wear-resistant pipe, and the outer groove pipe is connected to the outer surface of the threaded rod in a threaded penetrating mode through the first.

Preferably, the outer trough pipe is positioned in the tooth head, and the outer surface of the outer trough pipe is tightly attached to the inner surface of the tooth head.

Preferably, advancing device is including advancing the piece, advance the wear-resisting piece of piece left end fixedly connected with, advance the second screw hole that the piece surface upside opened has the break-over, wear-resisting piece left end fixedly connected with flexible piece, the equal fixedly connected with slider of flexible piece surface front side and surface rear side, flexible piece left end fixedly connected with blotter, advance the piece right-hand member fixed connection right wall in the initiative semi-axis, two the equal sliding connection of slider is in the spout.

Preferably, the outer surface of the telescopic block is tightly attached to the inner surface of the wear-resistant pipe, and the outer surface of the propelling block is tightly attached to the inner surface of the driving half shaft.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses in, through being provided with initiative semi-axis and driven semi-axis, pass through connecting pin activity interlude with shaft groove device and advancing device and connect, when the internals takes place to damage, can take off the connecting pin through unscrewing the nut to the part of quick replacement internal damage, the cost of change is practiced thrift in the convenient dismantlement.

2. The utility model discloses in, through set up wear-resisting piece and wear-resisting ring in the device to when the shaft coupling is rotatory, can prolong the life of flexible piece, reduce the wearing and tearing of flexible piece, and through setting up the blotter, when the driven shaft is reciprocal flexible, can cushion the inside impact force of machinery, alleviate linkage rotation time pause and pause in between and frustrate and feel, improve the stationarity of transmission.

Drawings

Fig. 1 is a schematic view of the overall structure of a slip coupling of the present invention;

fig. 2 is a schematic view of the overall structure of a driven half shaft of the sliding coupling of the present invention;

fig. 3 is a schematic view of the overall structure of a shaft groove device of a slip coupling according to the present invention;

fig. 4 is the overall structure diagram of the propulsion device of the sliding coupling of the present invention.

In the figure: 1. an active flange; 2. a driven flange; 3. a bolt; 4. a driven lever; 5. a driven half shaft; 6. a propulsion device; 7. a shaft groove device; 8. a drive half shaft; 51. connecting blocks; 52. a tooth head; 53. clamping teeth; 54. a threaded rod; 55. fastening a nut; 71. an outer trough pipe; 72. a wear resistant tube; 73. a chute; 74. a first threaded hole; 61. a propulsion block; 62. a wear-resistant block; 63. a second threaded hole; 64. a telescopic block; 65. a cushion pad; 66. a slide block.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, a slip coupling comprises a driving flange 1, wherein four bolts 3 are threaded and alternately connected to the right end of the driving flange 1, a driving semi-axis 8 is threaded and connected to the left ends of the four bolts 3, a propulsion device 6 is movably and alternately connected to the left end of the driving semi-axis 8, a shaft groove device 7 is movably and alternately connected to the left end of the propulsion device 6, a driven semi-axis 5 is movably sleeved to the left end of the shaft groove device 7, a driven flange 2 is threaded and connected to the left end of the driven semi-axis 5, and a driven rod 4 is alternately and alternately connected to the left.

The driven half shaft 5 comprises a connecting block 51, the right end of the connecting block 51 is fixedly connected with a tooth head 52, a plurality of clamping teeth 53 are distributed on the right end of the tooth head 52 in an equidistant annular array manner, the clamping teeth 53 of the driving half shaft 8 and the driven half shaft 5 are mutually meshed, a threaded rod 54 is connected between the upper clamping tooth 53 and the lower clamping tooth 53 in a threaded manner, fastening nuts 55 are respectively connected to the front part and the rear part of the outer surface of the threaded rod 54 in a threaded manner so as to fix and limit the threaded rod 54, the left end of the connecting block 51 is connected to the right end of the driven flange 2 in a threaded manner through a bolt 3, the shaft groove device 7 comprises an outer groove pipe 71, a wear-resistant pipe 72 is fixedly connected to the inner surface of the outer groove pipe 71 in a threaded manner, penetrating first threaded holes 74 are respectively formed in the front side and the rear side of the outer surface of the, outer groove pipe 71 is located tooth head 52, make initiative semi-axis 8 and driven semi-axis 5 joint each other, and outer groove pipe 71 surface hugs closely tooth head 52 internal surface, advancing device 6 includes propulsion piece 61, propulsion piece 61 left end fixedly connected with wear-resisting piece 62, propulsion piece 61 surface upside is opened has the second screw hole 63 of break-over, wear-resisting piece 62 left end fixedly connected with expansion block 64, expansion block 64 surface front side and the equal fixedly connected with slider 66 of surface rear side, expansion block 64 left end fixedly connected with blotter 65, can alleviate the impact force of expansion block 64 and the contact of shaft groove device 7, propulsion piece 61 right-hand member fixed connection is right wall in initiative semi-axis 8, the equal sliding connection of two sliders 66 is in spout 73, wear-resisting pipe 72 internal surface is hugged closely to the expansion block 64 surface, the surface of propulsion piece 61 hugs closely initiative semi-axis 8 internal surface.

It should be noted that, the utility model relates to a sliding coupling, when the driving shaft drives the driving flange 1 to rotate, the driving flange 1 drives the driving half shaft 8 to rotate, the driving half shaft 8 drives the propulsion unit 6 to rotate, the propulsion unit 6 is connected with the shaft groove device 7 to rotate, the shaft groove device 7 drives the driven half shaft 5 to rotate, the driven half shaft 5 drives the driven flange 2 and the driven rod 4 to rotate, when the driven rod 4 has left and right reciprocating movement, the shaft groove device 7 moves left and right under the push of the driven rod 4 to make the sliding block 66 in the propulsion unit 6 slide left and right in the sliding groove 73, through setting up the wear-resisting tube 72 and the wear-resisting block 62, the service life of the device can be prolonged, and the friction can be reduced, through setting up the buffer pad 65, when the telescopic block 64 strikes the left wall in the shaft groove device 7, the shock of the device can be reduced, when the coupling, the latch 53 of the driving half shaft 8 and the latch 53 of the driven half shaft 5 are meshed with each other and in close contact with each other, so that the driving half shaft 8 can more smoothly drive the driven half shaft 5 to rotate, when the sliding block 66 slides left and right in the sliding groove 73, the latch 53 of the driving half shaft 8 and the latch 53 of the driven half shaft 5 are not separated from each other, the stability of torque transmission is guaranteed, after the shaft groove device 7 or the propelling device 6 is damaged due to failure, the machine is rapidly stopped, the fastening nut 55 on the outer surface of the latch 53 is unscrewed, the threaded rod 54 is drawn out, the damaged part can be taken out and replaced, the threaded rod 54 is inserted into the first threaded hole 74 of a new part, the fastening nut 55 is screwed to complete the installation, and the replacement process is convenient and rapid.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A slip coupling, comprising an active flange (1), characterized in that: initiative flange (1) right-hand member screw thread interlude is connected with four bolts (3), four bolt (3) left end common thread connection has initiative semi-axis (8), initiative semi-axis (8) left end activity interlude is connected with advancing device (6), advancing device (6) left end activity interlude is connected with shaft groove device (7), driven semi-axis (5) have been cup jointed in shaft groove device (7) left end activity, driven semi-axis (5) left end screw thread connection has driven flange (2), driven flange (2) left end interlude is connected with driven lever (4).

2. A slip coupling according to claim 1, wherein: driven half shaft (5) are including connecting block (51), connecting block (51) right-hand member fixedly connected with tooth head (52), tooth head (52) right-hand member equidistance annular array distributes and has a plurality of latch (53), two from top to bottom common screw thread interlude is connected with threaded rod (54) between latch (53), threaded rod (54) surface front portion and the equal threaded connection in surface rear portion have fastening nut (55), connecting block (51) left end passes through bolt (3) threaded connection at driven flange (2) right-hand member.

3. A slip coupling according to claim 1, wherein: the shaft groove device (7) comprises an outer groove pipe (71), a wear-resistant pipe (72) is fixedly connected to the inner surface of the outer groove pipe (71), first threaded holes (74) penetrating through the front side and the rear side of the outer surface of the outer groove pipe (71), sliding grooves (73) are formed in the front side and the rear side of the inner surface of the wear-resistant pipe (72), and the outer groove pipe (71) is in threaded penetrating connection with the outer surface of the threaded rod (54) through the first threaded holes (74).

4. A slip coupling according to claim 3, wherein: the outer groove pipe (71) is positioned in the tooth head (52), and the outer surface of the outer groove pipe (71) is tightly attached to the inner surface of the tooth head (52).

5. A slip coupling according to claim 1, wherein: advancing device (6) is including advancing piece (61), advance piece (61) left end fixedly connected with wear-resisting piece (62), advance piece (61) surface upside and open the second screw hole (63) that have the break-over, wear-resisting piece (62) left end fixedly connected with telescopic block (64), telescopic block (64) surface front side and the equal fixedly connected with slider (66) of surface rear side, telescopic block (64) left end fixedly connected with blotter (65), advance piece (61) right-hand member fixed connection right side wall in initiative semi-axis (8), two the equal sliding connection of slider (66) is in spout (73).

6. A slip coupling according to claim 5, wherein: the outer surface of the telescopic block (64) is tightly attached to the inner surface of the wear-resistant pipe (72), and the outer surface of the propulsion block (61) is tightly attached to the inner surface of the driving half shaft (8).