CN213655515U

CN213655515U - Coupling capable of being axially and radially disassembled and assembled

Info

Publication number: CN213655515U
Application number: CN202022094379.0U
Authority: CN
Inventors: 林鸿海; 肖伯荣
Original assignee: China Tobacco Guangdong Industrial Co Ltd
Current assignee: China Tobacco Guangdong Industrial Co Ltd
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2021-07-09
Anticipated expiration: 2030-09-22

Abstract

The utility model relates to a shaft coupling technical field, more specifically relates to a but shaft coupling of axial and radial dismouting, including first shaft coupling monomer and second shaft coupling monomer, first shaft coupling monomer passes through the fastener with second shaft coupling monomer and is connected, laminating in first shaft coupling monomer internal face and two connecting axles side, laminating in second shaft coupling monomer internal face and two connecting axles another side, the utility model discloses a but the shaft coupling of axial and radial dismouting through screwing up the fastener, with shaft coupling and two connecting axles fixed, the connecting axle is automatic looks for the heart, the utility model discloses shaft coupling simple structure satisfies compactness mechanical design's demand, and the dismouting mode is various, but radial dismouting, axial dismantlement, axial and radial combination dismouting, easy dismounting.

Description

Coupling capable of being axially and radially disassembled and assembled

Technical Field

The utility model relates to a shaft coupling technical field, more specifically relates to a but shaft coupling of axial and radial dismouting.

Background

The traditional shaft coupling comprises two half-couplings, half-coupling is installed on the driving shaft usually, on the transmission shaft is installed to second half-coupling, assemble two half-couplings together again, in the installation of traditional shaft coupling, the shaft coupling all is from the axial with two connection axis body docks, the dismantlement direction is the axial also, in shaft coupling dismouting in-process, need connect the axis body with two and move the certain distance from the mounted position axially, carry out the dismouting of shaft coupling again, under some special environment, axis body axial displacement receives the restriction, can cause shaft coupling dismouting process complicacy, manpower and materials consume greatly, it is long when consuming, the inefficiency scheduling problem, in addition, because of the compactedness of the more and more pursuit mechanism of modern mechanical design, shaft coupling dismouting space will be more narrow, the dismouting degree of difficulty is higher.

Chinese patent CN201810442184.5 discloses a sleeve cover quick detach formula shaft coupling, including two sets of axle sleeves and a set of axle cover, two sets of axle sleeves are established respectively on initiative transmission shaft and driven transmission shaft, and a set of axle cover is established in the outside of two sets of axle sleeves and is in the same place these two sets of axle sleeves link together, for the load that the reinforcing moment of torsion can bear, can also establish a set of outer sleeve cover in the cover outside cover according to the size of in service behavior moment of torsion, however, the shaft coupling is bulky in this scheme, can not adapt to the demand of compact mechanical design.

Disclosure of Invention

An object of the utility model is to overcome prior art not enough, but provide a shaft coupling of axial and radial dismouting, be applicable to the quick assembly disassembly under the special environment.

In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a but shaft coupling of axial and radial dismouting, includes first shaft coupling monomer and second shaft coupling monomer, first shaft coupling monomer with second shaft coupling monomer passes through the fastener and connects, the laminating of first shaft coupling monomer internal face and two connecting axle sides, the laminating of second shaft coupling monomer internal face and two connecting axle another sides.

The coupling capable of being axially and radially disassembled and assembled is provided, a first coupling monomer and a second coupling monomer are radially installed at the connecting ends of two connecting shafts from the connecting shafts, fasteners are screwed, the coupling and the two connecting shafts are fixed, radial installation is realized, the fasteners are unscrewed and taken out, the first coupling monomer and the second coupling monomer are taken down, and radial disassembly is completed; connecting a first coupling monomer and a second coupling monomer by using a fastener, sleeving a connecting shaft into an inner hole between the butted first coupling monomer and the butted second coupling monomer from the axial direction, moving the coupling at the joint of the two connecting shafts after the two connecting shafts are butted, screwing the fastener, fixing the coupling and the two connecting shafts, realizing axial installation, unscrewing the fastener, withdrawing the coupling from the axial direction of one connecting shaft, and completing axial disassembly; connect first shaft coupling monomer and second shaft coupling monomer from the axis body and radially install on a connecting axle with the fastener, remove the shaft coupling and be located two connecting axle junctions, screw up the fastener, it is fixed with two connecting axles with the shaft coupling, realize axial and radial aggregate erection, unscrew the fastener, move the shaft coupling back to a connecting axle on, take out the fastener, take off first shaft coupling monomer and second shaft coupling monomer, accomplish radial and axial combination and dismantle, the utility model discloses a shaft coupling simple structure satisfies compactness mechanical design's demand, and the dismouting mode is various, but radial dismouting, axial dismantlement, axial and radial aggregate erection, easy dismounting.

Furthermore, the inner wall surfaces of the first coupling unit and the second coupling unit are in interference fit with the two connecting shafts, so that the fit clearance between the coupling and the connecting shafts is reduced, and the assembly precision of the coupling and the connecting shafts is improved.

Furthermore, the first coupling unit is provided with a plurality of first through holes, the second coupling unit is provided with a plurality of second through holes, and the first through holes are connected with the second through holes through fasteners.

Furthermore, the first through hole does not pass through the part of the inner wall surface of the first coupling unit in contact with the two connecting shafts, and the second through hole does not pass through the part of the inner wall surface of the second coupling unit in contact with the two connecting shafts, so that the fastener can be smoothly connected with the first through hole and the second through hole, and further the first coupling unit and the second coupling unit are smoothly connected.

Furthermore, the number of the first through holes and the number of the second through holes are 4.

Further, the fastener is the screw, be equipped with the screw in first through-hole and the second through-hole, it is required to explain, screw, bolt and subassembly all are applicable to the utility model discloses.

Furthermore, a gap is reserved between the first coupling unit and the second coupling unit, the first coupling unit is not in contact with the second coupling unit, and an assembly surface does not exist between the first coupling unit and the second coupling unit, so that assembly errors between the traditional first coupling unit and the traditional second coupling unit do not exist.

Furthermore, the first connecting unit is connected with the two connecting shafts through the connecting keys, so that the fixed connection between the coupler and the connecting shafts is ensured.

Furthermore, a first key groove is formed in the first coupling single body and connected with the inner wall face of the first coupling single body, a second key groove is formed in the position, corresponding to the first key groove, of the two connecting shafts, a connecting key is installed in the first key groove and the second key groove, the relative rotation of the coupling and the two connecting shafts is avoided, and the fact that the coupling and the connecting shafts rotate together in the process of transmitting motion and power is guaranteed, and the coupling does not disengage.

Furthermore, the first coupling unit and the second coupling unit are semi-circular tubes, the two connecting shafts are cylindrical, and the inner diameter of a circular tube formed by fastening and connecting the first coupling unit and the second coupling unit is equal to the diameters of the two connecting shafts.

The utility model discloses a but the shaft coupling of axial and radial dismouting compares with the background art, and the technological effect of production is:

the step that traditional shaft body needs to be removed in the shaft coupling dismouting in-process can be subtracted to the shaft coupling dismouting in-process, and shaft coupling dismouting mode is various, but radial dismouting, axial dismantlement, axial and radial combination dismouting, solves the problem of shaft coupling dismouting difficulty under the special environment, and the demand of compactness mechanical design is satisfied to the two-way dismantled and assembled characteristic of shaft coupling, and to the heart precision higher, and processing is simple, and the processing cost reduces, and production efficiency is high.

Drawings

Fig. 1 is an exploded schematic view of a coupling capable of being axially and radially assembled and disassembled in the embodiment of the present invention when assembled with two connecting shafts;

fig. 2 is a perspective view of a coupling capable of being axially and radially disassembled and assembled in an embodiment of the present invention;

fig. 3 is an exploded view of a coupling capable of being disassembled and assembled in axial and radial directions according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a coupling and a connecting shaft which can be axially and radially disassembled and assembled in the embodiment of the present invention;

in the drawings: 1-a first coupling unit; 11-a first via; 12-a first keyway; 2-a second coupling unit; 21-a second via; 3-connecting the shaft; 31-a second keyway; 4-a fastener; 5-a connecting bond.

Detailed Description

The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the terms according to specific situations.

The utility model discloses a but shaft coupling of axial and radial dismouting, as shown in fig. 1-4, including first shaft coupling monomer 1 and second shaft coupling monomer 2, first shaft coupling monomer 1 with second shaft coupling monomer 2 passes through fastener 4 to be connected, laminating in 1 internal face of first shaft coupling monomer and 3 sides of two connecting axles, laminating in 2 internal faces of second shaft coupling monomer and 3 another sides of two connecting axles.

The shaft coupling capable of being axially and radially disassembled and assembled comprises a first shaft coupling monomer 1 and a second shaft coupling monomer 2, wherein the inner wall surfaces of the first shaft coupling monomer 1 and the inner wall surfaces of the second shaft coupling monomer 2 are both attached to the outer wall surfaces of two connecting shafts 3, the first shaft coupling monomer 1 and the second shaft coupling monomer 2 are connected through a fastener 4, the shaft coupling and the two connecting shafts 3 are fixed by screwing the fastener 4, the inner wall surfaces of the first shaft coupling monomer 1 and the inner wall surfaces of the second shaft coupling monomer 2 are both attached to the outer wall surfaces of the two connecting shafts 3, the inner wall surfaces of the shaft coupling and the outer wall surfaces of the connecting shafts 3 are automatically in contact alignment, and the connecting shafts 3 are automatically.

In one embodiment, the inner wall surfaces of the first coupling single body 1 and the second coupling single body 2 are in interference fit with the two connecting shafts 3, so that the fit clearance between the coupling and the connecting shafts 3 is reduced, and the assembly precision of the coupling and the connecting shafts 3 is improved.

In one embodiment, the first coupling unit 1 is provided with a plurality of first through holes 11, the second coupling unit 2 is provided with a plurality of second through holes 21, the first through holes 11 are connected with the second through holes 21 through the fasteners 4, and the first coupling unit 1 is connected with the second coupling unit 2, it should be noted that the first through holes 11 and the second through holes 21 at least need to be two sets, so that the first coupling unit 1 and the second coupling unit 2 are prevented from rotating relatively after the first through holes 11 are connected with the second through holes 21 through the fasteners 4.

In one embodiment, as shown in fig. 1, 2 and 3, the first through hole 11 does not pass through the portion of the inner wall surface of the first coupling unit 1 contacting the two connecting shafts 3, and the second through hole 21 does not pass through the portion of the inner wall surface of the second coupling unit 2 contacting the two connecting shafts 3, so that the fastener 4 can be smoothly connected with the first through hole 11 and the second through hole 21, the inner wall surface of the coupling is attached to the outer wall surface of the connecting shafts 3, and then fastened by the fastener 4, the two connecting shafts 3 can be automatically centered in the inner wall surfaces of the first coupling unit 1 and the second coupling unit 2 during fastening, the first through hole 11 and the second through hole 21 of the coupling and the fastener 4 do not play a main role in alignment, and play roles in rough alignment and fastening, so the requirement on the machining accuracy of the first through hole 11 and the second through hole 21 is low, and the requirement on the traditional machining accuracy is.

In one embodiment, there are 4 first through

holes

11 and 4 second through holes 21, as shown in fig. 1, 2 and 3. It should be noted that at least two sets of the first through holes 11 and the second through holes 21 are required to prevent the first coupling unit 1 and the second coupling unit 2 from rotating relatively after the first through holes 11 and the second through holes 21 are connected by the fastening members 4.

In one embodiment, the fastening member 4 is a screw, threads are disposed in the first through hole 11 and the second through hole 21, in the implementation, the first coupling unit 1 and the second coupling unit 2 are butted together, the screw passes through the first through hole 11 and then is matched with the second through hole 21, after the coupling reaches the installation position, the screw is tightened, it should be noted that the screw, the bolt and the assembly thereof are all suitable for the present invention.

In one embodiment, a gap is left between the first coupling unit 1 and the second coupling unit 2, and the first coupling unit 1 is not in contact with the second coupling unit 2, as shown in fig. 2, there is no assembly surface between the first coupling unit 1 and the second coupling unit 2, so there is no assembly error between the conventional first coupling unit 1 and the conventional second coupling unit 2.

In one embodiment, the shaft coupling capable of being axially and radially disassembled and assembled of the present invention is radially assembled, and in the implementation, after the two connecting shafts 3 are butted, the first coupling unit 1 and the second coupling unit 2 are radially assembled at the connecting ends of the two connecting shafts 3 from the connecting shafts 3, aligning with the first through hole 11 and the second through hole 21, the first through hole 11 and the second through hole 21 are connected by the fastening member 4, the fastening member 4 is tightened, and the shaft coupling is tightly connected with the two connecting shafts 3; during the dismantlement, unscrew fastener 4 and take out fastener 4, take out first shaft coupling monomer 1 and second shaft coupling monomer 2 from 3 link radial directions of connecting axle, then shaft coupling and two connecting axles 3 separation, this dismouting mode is applicable to the condition that shaft coupling axial dismouting received the hindrance.

In one embodiment, the shaft coupling capable of being axially and radially disassembled and assembled of the present invention is axially installed, in the implementation, the first coupling unit 1 is butted with the second coupling unit 2, the first through hole 11 and the second through hole 21 are aligned, the first through hole 11 and the second through hole 21 are connected by the fastening member 4, the fastening member 4 is not completely screwed, the inner hole between the butted first coupling unit 1 and the second coupling unit 2 is sleeved with the connecting shaft 3 from the axial direction, after the two connecting shafts 3 are butted, the shaft coupling is moved to be located at the joint of the two connecting shafts 3, and the fastening member 4 is screwed; during disassembly, the fastener 4 is unscrewed, the coupler is axially withdrawn from the joint of the two connecting shafts 3, the coupler is separated from the two connecting shafts 3, and the disassembly and assembly mode is suitable for the condition that radial disassembly and assembly of the coupler are blocked.

In one embodiment, the shaft coupling capable of being axially and radially disassembled and assembled of the present invention is assembled and assembled in an axial direction and a radial direction, when in use, the first coupling unit 1 and the second coupling unit 2 are radially installed on a connecting shaft 3 from the shaft body, aligned with the first through hole 11 and the second through hole 21, and connected with the first through hole 11 and the second through hole 21 by the fastening member 4, the fastening member 4 is incompletely screwed, and after the two connecting shafts 3 are butted, the shaft coupling is moved to be positioned at the joint of the two connecting shafts 3, and the fastening member 4 is screwed, so that the shaft coupling is connected with the two connecting shafts 3; during the dismantlement, unscrew fastener 4, withdraw from a connecting shaft 3 with the shaft coupling from the mounted position axial on, unscrew and take out fastener 4, with the separation of first shaft coupling monomer 1 and second shaft coupling monomer 2 and radially take out from connecting shaft 3, this dismouting mode is applicable to the radial condition that all received the blockking with the axial dismouting of shaft coupling, and is applicable to the compact environment of mechanical design.

In one embodiment, as shown in fig. 4, the first coupler body 1 is provided with a first key groove 12, the first key groove 12 is connected with the inner wall surface of the first coupler body 1, the two connecting shafts 3 are provided with second key grooves 31 at positions corresponding to the first key grooves 12, the connecting keys 5 are installed in the first key grooves 12 and the second key grooves 31, the coupler is connected with the two connecting shafts 3 through the connecting keys 5, the coupler is prevented from rotating relative to the two connecting shafts 3, and the coupler is ensured to rotate together with the connecting shafts 3 in the process of transmitting motion and power without being disengaged.

In one embodiment, the first coupling unit 1 and the second coupling unit 2 are semi-circular tubes, the two connecting shafts 3 are cylindrical, the inner diameter of the circular tube formed by fastening the first coupling unit 1 and the second coupling unit 2 is equal to the diameters of the two connecting shafts 3, the coupling is in interference connection or thermal assembly connection with the connecting shafts 3, the processing steps of forming key grooves on the connecting shafts 3 and the coupling are reduced, the use of connecting keys 5 is reduced, and the gap between parts in the movement process is reduced, it needs to be noted that the inner wall surface of the first coupling unit 1 and the inner wall surface of the second coupling unit 2 of the utility model are not necessarily arc surfaces, but can be other shapes, and can be adapted to change according to the shape of the connecting shaft 3 matched with the inner wall surface of the first coupling unit 1 and the inner wall surface of the second coupling unit 2, if the cross section of the connecting shaft 3 is a D-shaped shaft, the inner wall surface of the first coupling unit 1 and the inner wall surface of the second coupling unit 2, and the shape of the connecting shaft 3 can be set as a circumference, a D shaft, a square shaft and the like according to actual needs.

In one embodiment, as shown in fig. 1 and 4, the first coupling unit 1 and the second coupling unit 2 are both in a semi-circular tubular shape, the connecting shaft 3 is a circular shaft, the first coupling unit 1 is provided with a first key groove 12, the inner arc surface of the coupling is attached to the outer circumference surface of the connecting shaft 3, and the coupling is fastened and installed at the installation position by the fastening member 4.

In the detailed description of the embodiments, various technical features may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides a but shaft coupling of axial and radial dismouting, includes first shaft coupling monomer (1) and second shaft coupling monomer (2), first shaft coupling monomer (1) with second shaft coupling monomer (2) are connected through fastener (4), its characterized in that, laminating of first shaft coupling monomer (1) internal face and two connecting axles (3) side, laminating of second shaft coupling monomer (2) internal face and two connecting axles (3) another side.

2. The coupling capable of being disassembled and assembled axially and radially according to claim 1, wherein the inner wall surfaces of the first coupling single body (1) and the second coupling single body (2) are in interference fit with the two connecting shafts (3).

3. The coupling capable of being disassembled and assembled axially and radially according to claim 1, wherein the first coupling single body (1) is provided with a plurality of first through holes (11), the second coupling single body (2) is provided with a plurality of second through holes (21), and the first through holes (11) and the second through holes (21) are connected through fasteners (4).

4. The coupling capable of being disassembled and assembled axially and radially according to claim 3, wherein the first through hole (11) does not pass through a portion of the inner wall surface of the first coupling unit (1) contacting the two connecting shafts (3), and the second through hole (21) does not pass through a portion of the inner wall surface of the second coupling unit (2) contacting the two connecting shafts (3).

5. A coupling, which is axially and radially removable, according to claim 3 or 4, characterized in that there are 4 of said first (11) and second (21) through holes.

6. A coupling, which is axially and radially removable, according to claim 3, characterized in that the fastening elements (4) are screws, and the first (11) and second (21) through holes are internally threaded.

7. The coupling capable of being disassembled and assembled axially and radially according to claim 1, wherein a gap is reserved between the first coupling single body (1) and the second coupling single body (2), and the first coupling single body (1) is not contacted with the second coupling single body (2).

8. The coupling capable of being disassembled and assembled axially and radially according to claim 1, wherein the first coupling single body (1) is connected with the two connecting shafts (3) through a connecting key (5).

9. The coupling capable of being axially and radially disassembled and assembled according to claim 8, wherein the first coupling single body (1) is provided with a first key groove (12), the first key groove (12) is connected with the inner wall surface of the first coupling single body (1), the two connecting shafts (3) are provided with second key grooves (31) at positions corresponding to the first key grooves (12), and the connecting keys (5) are installed in the first key grooves (12) and the second key grooves (31).

10. The coupling capable of being disassembled and assembled axially and radially according to claim 1, wherein the first coupling unit (1) and the second coupling unit (2) are semi-circular pipes, the two connecting shafts (3) are cylindrical, and the inner diameter of a circular pipe formed by fastening and connecting the first coupling unit (1) and the second coupling unit (2) is equal to the diameter of the two connecting shafts (3).