CN219345309U

CN219345309U - Integrated coupling

Info

Publication number: CN219345309U
Application number: CN202221756220.3U
Authority: CN
Inventors: 方必坤
Original assignee: Dongguan Shanggong Precision Hardware Technology Co ltd
Current assignee: Dongguan Shanggong Precision Hardware Technology Co ltd
Priority date: 2022-07-09
Filing date: 2022-07-09
Publication date: 2023-07-14
Anticipated expiration: 2032-07-09

Abstract

The utility model provides an integrated coupler, which relates to the technical field of couplers and comprises a coupler body, wherein the coupler body comprises an integrally formed coupler body, the coupler body is a cylinder, a plurality of buffer grooves are formed in the coupler body, the plane of each buffer groove is perpendicular to the central axis of the coupler body, a first lock shaft hole and a second lock shaft hole are formed in the coupler body, and the aperture of the second lock shaft hole is larger than that of the first lock shaft hole. The utility model has the advantages that the coupler is integrally processed by a light aluminum material, an assembly link in the production process is omitted, and the coupler is integrally formed, so that the transmission error caused by the assembly clearance of parts is reduced, the coupler can more accurately transmit the torque force and the rotating speed between the couplers, and the coupler is provided with the buffer slot, can absorb the angle, the axial direction and the radial direction deviation between two shafts in the use process, and has the characteristics of high precision and zero clearance.

Description

Integrated coupling

Technical Field

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

Background

The coupling is also called a coupling. The rotary shaft coupling is generally used for coupling the driving shaft and the driven shaft of different mechanisms together for rotary motion, is used for transmitting kinetic energy and torque, and can be arranged or selected according to the size of the shaft to be coupled. The coupling can compensate the offset between the two shafts caused by inaccurate manufacturing and installation, deformation or thermal expansion during working, and the like, and alleviate impact and absorb vibration.

The conventional coupling is generally assembled by a plurality of parts, but the coupling formed by assembling is easy to generate transmission errors due to assembly gaps among the parts in the use process.

Disclosure of Invention

The utility model overcomes the defects in the prior art, and provides the integrated coupler which is integrally processed by a light aluminum material, so that an assembly link in the production process is omitted, and the coupler is integrally formed, so that the transmission error caused by the assembly clearance of parts is reduced, the coupler can more accurately transmit the torsion and the rotating speed between the couplers, and the coupler is provided with the buffer groove, can absorb the angle, the axial direction and the radial direction deviation between two shafts in the use process, and has the characteristics of high precision and zero clearance.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model provides an integral type shaft coupling, includes the shaft coupling body of integrated into one piece, the shaft coupling body is the cylinder, be provided with a plurality of buffer tanks on the shaft coupling body, every buffer tank place plane all with the axis of the shaft coupling body is perpendicular, be provided with first lock shaft hole and second lock shaft hole on the shaft coupling body, the aperture in second lock shaft hole is greater than the aperture in first lock shaft hole, the opening position in first lock shaft hole and the opening position in second lock shaft hole are provided with the chamfer respectively.

Further, as seen in the longitudinal projection direction of the coupling body, a plurality of the buffer grooves surround and form 360 degrees.

Further, the first lock shaft hole and the second lock shaft hole are respectively positioned at two end faces of the coupling body, the first lock shaft hole and the second lock shaft hole are concentric, and the first lock shaft hole and the second lock shaft hole are communicated cylindrical holes.

Still further, first lock shaft hole diameter direction is cut and is first lock shaft groove and second lock shaft groove, the second lock shaft groove is including the first horizontal groove, first perpendicular groove, the first arc groove that connect gradually, first horizontal groove is located the circular plane of shaft coupling body, first perpendicular groove with first arc groove is located the cylinder curved surface of shaft coupling body, first perpendicular groove perpendicular to first arc groove, first perpendicular groove with the intersection point of first arc groove is the midpoint of first arc groove.

Still further, be provided with first bolt hole on the cylindrical curved surface of shaft coupling body, first bolt hole perpendicular to first vertical groove, bolt head hole and the screw hole of first bolt hole distribute and be in the both sides of first vertical groove.

Still further, the second lock shaft hole diameter direction is cut and is become third lock shaft groove and fourth lock shaft groove, the third lock shaft groove is including the second cross slot, second erects groove, the second arc groove that connect gradually, the second cross slot is located the circular plane of shaft coupling body, the second erects the groove with the second arc groove is located the cylinder curved surface of shaft coupling body, the second erects the groove perpendicular to the second arc groove, the second erects the groove with the intersection point in second arc groove is the midpoint in second arc groove.

Still further, be provided with the second bolt hole on the cylindrical curved surface of shaft coupling body, the second bolt hole perpendicular to the second erects the groove, the bolt head hole and the screw hole of second bolt hole distribute and be in the both sides of second erects the groove.

Still further, the bolt head hole is a concave counter bore.

Further, the buffer grooves are positioned on the cylindrical curved surface of the coupling body, the buffer grooves are parallel to the cylindrical plane of the coupling body, and gaps are arranged between adjacent buffer grooves; the length of the buffer groove is three fourths of the circumference length of the side face of the coupling body, and the width of the buffer groove is 1-2 mm.

Further, the coupling is made of a lightweight aluminum material.

Compared with the prior art, the utility model has the beneficial effects that:

the coupler is integrally processed by a light aluminum material, so that an assembly link in the production process is omitted, and the coupler is integrally formed, so that transmission errors caused by assembly gaps of parts are reduced, the coupler can more accurately transmit torsion and rotation speed between the couplers, and the coupler is provided with the buffer groove, can absorb angle, axial and radial deviations between two shafts in the use process, and has the characteristics of high precision and zero gap.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, in which:

FIG. 1 is a first general view of an integral coupling;

FIG. 2 is a second general view of an integral coupling;

FIG. 3 is a side view of an integral coupling;

FIG. 4 is a cross-sectional view of an integral coupling;

in the figure: 1-first lock shaft hole, 2-first lock shaft groove, 3-second lock shaft groove, 301-first transverse groove, 302-first vertical groove, 303-first arc groove, 4-first bolt hole, 5-first lock shaft bolt, 6-buffer groove, 8-second lock shaft hole, 9-third lock shaft groove, 901-second transverse groove, 902-second vertical groove, 903-second arc groove, 10-fourth lock shaft groove, 11-second bolt hole, 12-second lock shaft bolt, 13-coupling body.

Detailed Description

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

As shown in fig. 1, an integral coupling comprises an integrally formed coupling body 13, the coupling body 13 is in a cylindrical shape, two end faces of the coupling body 13 are respectively provided with a first lock shaft hole 1 and a second lock shaft hole 8, the aperture sizes of the first lock shaft hole 1 and the second lock shaft hole 8 are different, and as can be seen in fig. 1, 2 and 4, the opening positions of the first lock shaft hole 1 and the opening positions of the second lock shaft hole 8 are respectively provided with a chamfer, which is beneficial to the insertion and assembly of the shaft body; cut into first lock shaft groove 2 and second lock shaft groove 3 along first lock shaft hole 1 diameter direction, second lock shaft groove 3 is including the first horizontal groove 301 and the first vertical groove 302 that connect gradually, first vertical groove 302 is connected with first arc groove 303, first horizontal groove 301 is located the circular plane of shaft coupling body 1, first vertical groove 302 and first arc groove 303 are located the cylinder curved surface of shaft coupling body 1, first vertical groove 302 perpendicular to first arc groove 303, the intersection point of first vertical groove 302 and first arc groove 303 is the midpoint of first arc groove 303. The cylindrical curved surface of the coupling body 1 is provided with a first bolt hole 4, the first bolt hole 4 is perpendicular to the first vertical groove 302, and a bolt head hole and a threaded hole of the first bolt hole 4 are respectively positioned on two sides of the first vertical groove 302. When the shaft is connected with the shaft, the shaft is inserted into the first lock shaft hole 1, the first lock shaft bolt 5 is inserted into and connected to the threaded hole through the bolt head hole of the first bolt hole 4, the first vertical groove 303 is pressed tightly after the first lock shaft bolt 5 is screwed down, and the shaft coupling is an integral piece, so that the gap between the first lock shaft groove 2 and the second lock shaft groove 3 is reduced, and the purpose of locking the shaft is achieved.

As shown in fig. 2, the third lock shaft groove 9 and the fourth lock shaft groove 10 are cut along the diameter direction of the second lock shaft hole 8, the third lock shaft groove 9 includes a second transverse groove 901 and a second vertical groove 902 which are sequentially connected, the second vertical groove 902 is connected with a second arc groove 903, the second transverse groove 901 is located on the circular plane of the coupling body 1, the second vertical groove 902 and the second arc groove 903 are located on the cylindrical curved surface of the coupling body 1, the second vertical groove 902 is perpendicular to the second arc groove 903, and the intersection point of the second vertical groove 902 and the second arc groove 903 is the midpoint of the second arc groove 903. The cylindrical curved surface of the coupling body 1 is provided with a second bolt hole 11, the second bolt hole 11 is perpendicular to the second vertical groove 902, and bolt head holes and threaded holes of the second bolt hole 11 are respectively positioned on two sides of the second vertical groove 902. When the shaft is connected with the shaft, the shaft is inserted into the second lock shaft hole 8, the second lock shaft bolt 12 is screwed into the threaded hole through the bolt head hole of the second bolt hole 11, the second vertical groove 903 is pressed tightly after the second lock shaft bolt 12 is screwed, and the shaft coupling is an integral piece, so that the gap between the third lock shaft groove 9 and the fourth lock shaft groove 10 is pressed down, and the purpose of locking the shaft is achieved.

The bolt head hole is a concave counter bore, so that the head of the bolt is hidden and not exposed, and scratch or influence on external assembly is avoided.

As shown in fig. 3 and 4, the middle part of the coupling is provided with a plurality of buffer slots 6 surrounding the coupling body 13, in this embodiment, the number of the buffer slots 6 is 2, the buffer slots 6 are circular arcs surrounding the coupling body 13, in this embodiment, the length of each circular arc of the buffer slots 6 is three-fourths of the circular length of the cylinder, and when seen along the longitudinal projection direction of the coupling body 13 (i.e. seen in the direction of the central axis of the coupling body 13), the 2 buffer slots 6 are combined and surrounded to form 360 degrees, i.e. when seen longitudinally, the 2 buffer slots 6 are surrounded to form a closed 360 degrees, so that the whole circumferential surface of the coupling body 13 can achieve buffering. Seen from the front view direction, a certain gap is formed between the two buffer grooves 6, the gap is the body part of the coupling body 13, so that the whole coupling body 13 is supported, and the coupling is made of a light aluminum material which has certain elasticity, and the buffer grooves 6 can absorb the axial pressure between two shafts in the use process, and can also relieve the angle and radial deviation between the two shafts, so that the coupling has the characteristics of high precision and zero gap.

Finally, it should be noted that: although the present utility model has been described in detail with reference to the embodiments, it should be understood that the utility model is not limited to the preferred embodiments, but is capable of modification and equivalents to some of the features described in the foregoing embodiments, but is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The utility model provides an integral type shaft coupling, its characterized in that, including integrated into one piece's shaft coupling body, the shaft coupling body is the cylinder, be provided with a plurality of buffer tanks on the shaft coupling body, every buffer tank place plane all with the axis of shaft coupling body is perpendicular, be provided with first lock shaft hole and second lock shaft hole on the shaft coupling body, the aperture in second lock shaft hole is greater than the aperture in first lock shaft hole, the opening position in first lock shaft hole and the opening position in second lock shaft hole are provided with the chamfer respectively.

2. An integral coupling according to claim 1, wherein a plurality of said buffer grooves are combined to form 360 ° as seen in the longitudinal projection of said coupling body.

3. The integrated coupling of claim 1, wherein the first and second lock shaft holes are located on two end surfaces of the coupling body, respectively, the first and second lock shaft holes being concentric, the first and second lock shaft holes being cylindrical holes that are in communication.

4. The integrated coupling of claim 1, wherein the first lock shaft hole is cut into a first lock shaft groove and a second lock shaft groove in a diameter direction, the second lock shaft groove comprises a first transverse groove, a first vertical groove and a first arc groove which are sequentially connected, the first transverse groove is located on a circular plane of the coupling body, the first vertical groove and the first arc groove are located on a cylindrical curved surface of the coupling body, the first vertical groove is perpendicular to the first arc groove, and an intersection point of the first vertical groove and the first arc groove is a midpoint of the first arc groove.

5. The integrated coupler of claim 4, wherein the cylindrical curved surface of the coupler body is provided with first bolt holes, the first bolt holes are perpendicular to the first vertical grooves, and bolt head holes and threaded holes of the first bolt holes are distributed on two sides of the first vertical grooves.

6. The integrated coupling of claim 5, wherein the second lock shaft hole is cut into a third lock shaft groove and a fourth lock shaft groove in a diameter direction, the third lock shaft groove comprises a second transverse groove, a second vertical groove and a second arc groove which are sequentially connected, the second transverse groove is located on a circular plane of the coupling body, the second vertical groove and the second arc groove are located on a cylindrical curved surface of the coupling body, the second vertical groove is perpendicular to the second arc groove, and an intersection point of the second vertical groove and the second arc groove is a midpoint of the second arc groove.

7. The integrated coupler of claim 6, wherein the cylindrical curved surface of the coupler body is provided with second bolt holes, the second bolt holes are perpendicular to the second vertical grooves, and bolt head holes and threaded holes of the second bolt holes are distributed on two sides of the second vertical grooves.

8. The one-piece coupling of claim 7, wherein said bolt head bore is a female counterbore.

9. The integrated coupling according to claim 1, wherein the buffer grooves are located on a cylindrical curved surface of the coupling body, the buffer grooves are parallel to a cylindrical plane of the coupling body, and a gap is provided between adjacent buffer grooves; the length of the buffer groove is three fourths of the circumference length of the side face of the coupling body, and the width of the buffer groove is 1-2 mm.

10. An integral coupling as claimed in claim 1, wherein said coupling is made of a lightweight aluminum material.