CN220185643U - High-stability spherical hinge type coupling - Google Patents
High-stability spherical hinge type coupling Download PDFInfo
- Publication number
- CN220185643U CN220185643U CN202321240830.2U CN202321240830U CN220185643U CN 220185643 U CN220185643 U CN 220185643U CN 202321240830 U CN202321240830 U CN 202321240830U CN 220185643 U CN220185643 U CN 220185643U
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- ball
- connecting seat
- shaft sleeve
- positioning ball
- groove
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- 230000008878 coupling Effects 0.000 title claims abstract description 31
- 238000010168 coupling process Methods 0.000 title claims abstract description 31
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 31
- 239000000945 filler Substances 0.000 claims description 15
- 238000002347 injection Methods 0.000 abstract description 19
- 239000007924 injection Substances 0.000 abstract description 19
- 239000003921 oil Substances 0.000 description 47
- 239000010687 lubricating oil Substances 0.000 description 8
- 238000005461 lubrication Methods 0.000 description 5
- 238000004804 winding Methods 0.000 description 4
- 239000003245 coal Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- Pivots And Pivotal Connections (AREA)
Abstract
The utility model is suitable for the technical field of couplings, and provides a high-stability spherical hinge type coupling which comprises a connecting seat, wherein the connecting seat is of a ring structure with a through middle, flanges are fixedly connected to the left end and the right end of the connecting seat, the inner diameter of each flange is equal to that of the connecting seat, a positioning ball is arranged in the middle of the connecting seat, a shaft sleeve is sleeved outside the positioning ball, and an oil injection groove and an oil injection hole are arranged outside the shaft sleeve.
Description
Technical Field
The utility model relates to the technical field of couplings, in particular to a high-stability spherical hinge type coupling.
Background
The coupler is a device for connecting two shafts or connecting the shafts and a rotary member, and rotating together in the process of transmitting motion and power, and not disengaging under normal conditions. Sometimes also used as a safety device for preventing the connected parts from bearing excessive load and playing an overload protection role, the spherical hinge type coupler adopts the arrangement of a rotary sphere at the middle part, and has the effect of conveniently enabling the two shafts not to be on the same plane and to rotate together.
At present, the spherical hinge type coupling in the market has the defects that the friction resistance in the coupling is increased due to long-time use, the transmission moment and the power capacity of the coupling are weakened, the rotation capacity of two shafts connected with two ends of the coupling is reduced, the output of the shafts at the two ends cannot reach the expectations, the stability of the coupling in the working environment is influenced, and then the equipment such as a crane, a conveyor, a coal separator, a construction machine and the like are influenced.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model aims to provide a high-stability spherical hinge type coupling with good lubricity.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a high stable spherical hinge formula shaft coupling, includes the connecting seat, the connecting seat is the ring structure that link up in the middle, both ends are all fixedly connected with flange about the connecting seat, the internal diameter of flange equals with the internal diameter of connecting seat, install the locating ball in the middle of the connecting seat, the cover is equipped with the axle sleeve in the locating ball outside, the axle sleeve outside is equipped with oil filler groove and oil filler point.
The utility model is further provided with: the left end and the right end of the positioning ball are flush, the positioning ball is of a middle through structure, a connecting key is arranged at the upper end of the positioning ball, threads are arranged on the inner wall of the positioning ball, and a through oil inlet is arranged at the lower end of the positioning ball.
The utility model is further provided with: the shaft sleeve is of a middle through structure, the inner diameter of the shaft sleeve is equal to the diameter of the positioning ball, a key groove is formed in the upper end of the inner side of the shaft sleeve, one end of the key groove is through the surface of the shaft sleeve, and the positioning ball is in sliding connection with the shaft sleeve through the cooperation of the connecting key and the key groove.
The utility model is further provided with: the oil injection device is characterized in that a groove is formed in the inner side of one end, close to the key groove, of the shaft sleeve, the shaft sleeve is connected with a gasket through the groove, the gasket is in contact with the end face of the positioning ball, the oil injection groove continuously surrounds the shaft sleeve for one circle, the oil injection hole is located right above the oil inlet hole of the positioning ball, and the oil injection hole penetrates through the lower end of the shaft sleeve.
The utility model is further provided with: the connecting seat is provided with a through connecting hole which is formed by winding a circle around the shaft, the flange is also provided with a through fixing hole which is formed by winding a circle around the shaft, the connecting seat is respectively connected with a front end ring and a rear end ring at the left end and the right end of the fixing hole, the diameters of the front end ring and the rear end ring are equal to each other and equal to the diameter of the flange, and the front end ring and the rear end ring are respectively provided with fixing holes corresponding to the flange.
The utility model has the advantages that:
1. the shaft sleeve corresponding to the positioning ball is installed on the shaft sleeve, the shaft sleeve is matched with the positioning ball through a key groove on the shaft sleeve and a connecting key on the positioning ball to be in sliding connection with the positioning ball, the positioning ball can be protected from being damaged in the working process, the service life of the shaft sleeve is prolonged, an oil injection groove is formed in the outer side of the shaft sleeve, the oil injection groove surrounds the shaft sleeve for a circle, after the shaft sleeve is used for a long time, the stability of the shaft sleeve is ensured by lubrication, only lubricating oil drops on the surface of the oil injection groove, the lubrication between the shaft sleeve and the connecting seat is realized by sliding the oil in the oil injection groove, the shaft sleeve and the positioning ball are respectively provided with a corresponding oil injection hole and an oil inlet hole, and the lubricating oil enters the oil injection hole and the oil inlet hole to be dripped into the positioning ball to lubricate a shaft connected with two ends of the shaft sleeve, so that the pressure between connecting pieces is ensured, and the service life and the stability of the shaft sleeve are improved.
2. The key slot one end of the inboard upper end of axle sleeve link up in axle sleeve surface, when installing the locating ball, in the connecting key with the locating ball slides the axle sleeve from the key slot on axle sleeve surface, push the connecting key into the bottommost of key slot, axle sleeve is close to the inboard recess that is equipped with of key slot one end, the axle sleeve has the gasket through groove connection, the gasket is fixed about with the locating ball with the terminal surface contact of locating ball, reach the spacing of locating ball, fix the locating ball through axle sleeve and gasket, prevent the shaft output that the shaft coupling both ends are connected because the rocking of locating ball leads to at the during operation reduces, the stability of spherical hinge type shaft coupling has been improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is an exploded view of the structure of the present utility model;
FIG. 3 is a front view of FIG. 1;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 5 is a schematic view of the bushing and ball assembly of the present utility model;
in the figure: 1. a connecting seat; 11. a connection hole; 2. a flange; 21. a fixing hole; 3. a front end ring; 4. a rear end ring; 5. a shaft sleeve; 51. an oil injection groove; 52. an oil filling hole; 53. a groove; 54. a key slot; 6. a positioning ball; 61. a connecting key; 62. a thread; 63. an oil inlet hole; 7. a gasket.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs unless otherwise indicated.
In the present utility model, unless otherwise indicated, the terms "upper" and "lower" are used generally with respect to the directions shown in the drawings, or with respect to the vertical, vertical or gravitational directions; also, for ease of understanding and description, "left, right" is generally directed to the left, right as shown in the drawings; "inner and outer" refer to inner and outer relative to the outline of the components themselves, but the above-described orientation terms are not intended to limit the present utility model.
Example 1
Referring to fig. 1-5, the present utility model provides the following technical solutions:
the utility model particularly relates to a high stable spherical hinge type shaft coupling, including connecting seat 1, connecting seat 1 is the ring structure that link up in the middle, the equal fixedly connected with flange 2 in both ends about connecting seat 1, the internal diameter of flange 2 equals with the internal diameter of connecting seat 1, and the external diameter of flange 2 is less than the external diameter of connecting seat 1, install locating ball 6 in the middle of the connecting seat 1, locating ball 6 outside cover is equipped with axle sleeve 5, axle sleeve 5 is located connecting seat 1 inside centre, the axle sleeve 5 outside is equipped with oil filler groove 51 and oil filler hole 52, oil filler groove 51 and oil filler hole 52 can be the interior oil supply of sealed cavity, guarantee the pressure in the cavity, can also lubricate for each structure of shaft coupling, improve the life and the stability of shaft coupling.
The left and right ends of the positioning ball 6 are level, the positioning ball 6 is of a middle through structure, the upper end of the positioning ball 6 is provided with a connecting key 61, the inner wall of the positioning ball 6 is provided with threads 62, the positioning ball 6 is connected with shafts at two ends through the threads 62, the lower end of the positioning ball 6 is provided with a through oil inlet hole 63, and lubricating oil enters the oil inlet hole 63 from the oil injection hole 52 and flows into the positioning ball 6 to lubricate a shaft coupling and the shafts connected at two ends of the shaft coupling. The axle sleeve 5 is middle through structure, and the internal diameter of axle sleeve 5 equals with the diameter of locating ball 6, and the inboard upper end of axle sleeve 5 is equipped with keyway 54, and keyway 54 one end link up in axle sleeve 5 surface, and locating ball 6 is through the cooperation of connecting key 61 and keyway 54 and axle sleeve 5 sliding connection, and during installation locating ball 6, the connecting key 61 with locating ball 6 slides in axle sleeve 5 from the keyway 54 on axle sleeve 5 surface, pushes connecting key 61 into the bottommost of keyway 54, carries out certain spacing with locating ball 6. The axle sleeve 5 is close to keyway 54 one end inboard and is equipped with recess 53, the axle sleeve 5 is connected with gasket 7 through recess 53, gasket 7 is middle through structure, do not influence locating ball 6 and connect both ends axle, gasket 7 and locating ball 6's terminal surface contact, gasket 7 installs in recess 53 and locating ball 6's terminal surface contact about fixing locating ball 6, reach locating ball 6's spacing, oil filler groove 51 is continuous around axle sleeve 5 a week, oil filler hole 52 is located locating ball 6's inlet port 63 directly over, and oil filler hole 52 link up in axle sleeve 5 lower extreme, with lubricating oil drop on oil filler groove 51 surface, oil slides in oil filler groove 51 and realizes the lubrication between axle sleeve 5 and the connecting seat 1, lubricating oil drops into locating ball 6 inside from oil filler groove 51 entering oil filler hole 52 and inlet port 63, lubricate for the axle of shaft coupling both ends connection.
The connecting seat 1 is provided with a through connecting hole 11 which is formed by winding a circle on the connecting seat 1, the connecting seat 1 is connected in a specific working environment such as a crane, a conveyor, a coal separator, a building machine and the like through the connecting hole 11, the flange 2 is also provided with a through fixing hole 21 which is formed by winding a circle on the connecting seat 1, the left end and the right end of the connecting seat 1 are respectively connected with the front end ring 3 and the rear end ring 4 through the fixing holes 21, the connecting seat 1 is connected with the front end ring and the rear end ring through the flange 2 to enable the whole coupler to be more fixed, the stability of the coupler is ensured, the diameters of the front end ring 3 and the rear end ring 4 are equal to each other and equal to the diameter of the flange, the front end ring 3 and the rear end ring 4 are respectively provided with fixing holes 21 corresponding to the flange 2, and the front end ring and the rear end ring are fixedly connected with the connecting seat 1 through the assembly of bolts and the fixing holes 21.
The working principle of the high-stability spherical hinge type coupling provided by the utility model is as follows: the connecting key 61 of the positioning ball 6 slides into the shaft sleeve 5 from the key groove 54 on the surface of the shaft sleeve 5, the connecting key 61 is pushed into the bottommost end of the key groove 54, the gasket 7 is installed in the groove 53 of the shaft sleeve 5, the gasket 7 contacts with the surface of the positioning ball 6, the positioning ball 6 is limited left and right, the unstable shaft coupling caused by shaking of the positioning ball 6 when the spherical hinge type shaft coupling works is prevented, the shaft sleeve 5 provided with the positioning ball 6 is installed in the middle of the connecting seat 1, the left flange 2 and the right flange 2 of the connecting seat 1 are connected with the front end ring and the rear end ring through the assembly of the bolts and the fixing holes 21, and the whole spherical hinge type shaft coupling is fixed, so that the spherical hinge type shaft coupling has high stability; after long-time use, the spherical hinge type coupler is slow to rotate due to no lubrication, the transmitted torque and power efficiency are reduced, at the moment, an oil dropping pipe can extend into the spherical hinge type coupler, lubricating oil drops on the oil injection groove 51 on the shaft sleeve 5, oil slides in the oil injection groove 51 to lubricate between the shaft sleeve 5 and the connecting seat 1, lubricating oil enters the oil injection hole 52 and the oil inlet hole 63 from the oil injection groove 51 to drop into the positioning ball 6 to lubricate shafts connected at two ends of the coupler, lubricating oil drops can be directly carried out on the oil inlet hole 63 of the positioning ball 6, oil can lubricate the inside of the positioning ball 6 and can flow out from the oil inlet hole 63 to the oil injection groove 51, lubrication between the connecting seat 1 and the shaft sleeve 5 is also realized, pressure between connecting pieces is ensured, and service life and stability of the spherical hinge type coupler are improved.
It will be apparent that the embodiments described above are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (5)
1. The utility model provides a high stable spherical hinge formula shaft coupling which characterized in that: including connecting seat (1), connecting seat (1) is the ring structure that link up in the middle, both ends are all fixedly connected with flange (2) about connecting seat (1), the internal diameter of flange (2) equals with the internal diameter of connecting seat (1), install locating ball (6) in the middle of connecting seat (1), locating ball (6) outside cover is equipped with axle sleeve (5), the axle sleeve (5) outside is equipped with oil filler groove (51) and oil filler point (52).
2. The high stability ball-and-socket joint coupling according to claim 1, wherein: the left end and the right end of the positioning ball (6) are flush, the positioning ball (6) is of a middle through structure, a connecting key (61) is arranged at the upper end of the positioning ball (6), threads (62) are arranged on the inner wall of the positioning ball (6), and a through oil inlet hole (63) is formed in the lower end of the positioning ball (6).
3. The high stability ball-and-socket joint coupling according to claim 2, wherein: the shaft sleeve (5) is of a middle through structure, the inner diameter of the shaft sleeve (5) is equal to the diameter of the positioning ball (6), a key groove (54) is formed in the upper end of the inner side of the shaft sleeve (5), one end of the key groove (54) is communicated with the surface of the shaft sleeve (5), and the positioning ball (6) is in sliding connection with the shaft sleeve (5) through the matching of the connecting key (61) and the key groove (54).
4. A high stability ball and socket joint coupling according to claim 3, wherein: the novel oil filling device is characterized in that a groove (53) is formed in the inner side of one end of the shaft sleeve (5) close to the key groove (54), the shaft sleeve (5) is connected with a gasket (7) through the groove (53), the gasket (7) is in contact with the end face of the positioning ball (6), the oil filling groove (51) continuously surrounds the shaft sleeve (5) for a circle, the oil filling hole (52) is located right above the oil inlet hole (63) of the positioning ball (6), and the oil filling hole (52) is communicated with the lower end of the shaft sleeve (5).
5. The high stability ball-and-socket joint coupling of claim 4, wherein: be equipped with on connecting seat (1) around the through-hole (11) of axle a week, also be equipped with around the through-hole (21) of axle a week on flange (2), front end ring (3) and rear end ring (4) are connected respectively through fixed orifices (21) both ends about connecting seat (1), the diameter of front end ring (3) and rear end ring (4) equals and equals the diameter of flange (2), all be equipped with on front end ring (3) and rear end ring (4) with flange (2) corresponding fixed orifices (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321240830.2U CN220185643U (en) | 2023-05-22 | 2023-05-22 | High-stability spherical hinge type coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321240830.2U CN220185643U (en) | 2023-05-22 | 2023-05-22 | High-stability spherical hinge type coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220185643U true CN220185643U (en) | 2023-12-15 |
Family
ID=89102064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321240830.2U Active CN220185643U (en) | 2023-05-22 | 2023-05-22 | High-stability spherical hinge type coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220185643U (en) |
-
2023
- 2023-05-22 CN CN202321240830.2U patent/CN220185643U/en active Active
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