CN220668177U - Bidirectional transmission coupling mechanism - Google Patents
Bidirectional transmission coupling mechanism Download PDFInfo
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- CN220668177U CN220668177U CN202322320679.XU CN202322320679U CN220668177U CN 220668177 U CN220668177 U CN 220668177U CN 202322320679 U CN202322320679 U CN 202322320679U CN 220668177 U CN220668177 U CN 220668177U
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- connecting sleeve
- coupling mechanism
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- positioning rod
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- 230000008878 coupling Effects 0.000 title claims abstract description 83
- 238000010168 coupling process Methods 0.000 title claims abstract description 83
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 83
- 230000007246 mechanism Effects 0.000 title claims abstract description 44
- 230000005540 biological transmission Effects 0.000 title claims abstract description 35
- 230000002457 bidirectional effect Effects 0.000 title abstract description 16
- 238000007789 sealing Methods 0.000 claims description 17
- 238000009434 installation Methods 0.000 description 3
- 239000000178 monomer Substances 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The utility model belongs to the technical field of mechanical design, and relates to a bidirectional transmission coupling mechanism, which comprises a coupling mechanism, wherein the coupling mechanism comprises a hollow single coupling, an outer hexagonal connecting sleeve and a positioning rod, one end of the hollow single coupling is provided with a concave hexagonal for connecting the outer hexagonal connecting sleeve, and the outer side of the hollow single coupling is provided with a key slot for connecting a rotating shaft through the key slot; the outer hexagonal connecting sleeve is of a step structure, the small-diameter end of the outer hexagonal connecting sleeve is an outer hexagonal matched with the concave hexagonal, and a flat square through hole is formed in the center of the large-diameter end of the outer hexagonal connecting sleeve so as to be connected with an external device through the flat square through hole. The utility model solves the problems that the existing coupler occupies large space and is not suitable for coupling in compact space.
Description
Technical Field
The utility model belongs to the technical field of mechanical design, and relates to a bidirectional transmission coupling mechanism.
Background
The shaft coupling is used for connecting two rotating shafts or two rotating members so as to realize the synchronous transmission of the two rotating shafts or the two rotating members, is widely applied to the transmission connection of shaft bodies or the rotating members in mechanical equipment, and plays a role in reducing vibration and relieving impact while transmitting torque. The conventional coupling comprises a left connecting device and a right connecting device, which are respectively connected with the left rotating shaft and the right rotating shaft or the rotating member, but the connecting mode or the conventional coupling occupies a large space in the axial direction, so that the conventional coupling is not suitable for coupling in a compact space.
In the application field of the coal mine drilling machine, due to the volume limitation of the coal mine drilling machine, a coupling mechanism which can be suitable for compact space and occupies small space in the axial direction is urgently needed, and therefore, a bidirectional transmission coupling mechanism suitable for compact space is provided.
Disclosure of Invention
In view of the above, the present utility model aims to provide a bidirectional transmission coupling mechanism, so as to solve the problem that the existing coupling occupies a large space and is not suitable for coupling in a compact space.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the bidirectional transmission coupling mechanism is characterized by comprising a coupling mechanism, wherein the coupling mechanism comprises a hollow single coupling and an outer hexagonal connecting sleeve, one end of the hollow single coupling is provided with an inner concave hexagonal for connecting the outer hexagonal connecting sleeve, and the outer side of the hollow single coupling is provided with a key slot for connecting a rotating shaft through the key slot;
the outer hexagonal connecting sleeve is of a step structure, the small-diameter end of the outer hexagonal connecting sleeve is an outer hexagonal matched with the concave hexagonal, and a flat square through hole is formed in the center of the large-diameter end of the outer hexagonal connecting sleeve so as to be connected with an external device through the flat square through hole.
This two-way transmission coupling mechanism adopts the hollow monomer shaft coupling of drum shape to carry out nested connection axis of rotation through the keyway in the outside to connect outer hexagonal adapter sleeve through indent hexagonal nested, and then connect external device through flat square through-hole in the outer hexagonal adapter sleeve, with the connection that realizes external device and axis of rotation, through adopting nested connected mode, practiced thrift very big installation space in axial and vertical, solved current shaft coupling occupation space big, be applicable to the problem of carrying out the shaft coupling under the compact space.
Further, the coupling mechanism further comprises a positioning rod, the positioning rod is arranged at one end, far away from the outer hexagonal connecting sleeve, of the hollow single coupling, and an inner thread used for fixedly connecting the positioning rod is arranged on the inner surface of the hollow single coupling.
Further, the hollow single coupler is cylindrical, and the inner structure of the hollow single coupler comprises an inner thread positioned at the middle section, a concave hexagonal close to the outer hexagonal connecting sleeve and a sealing surface close to the positioning rod, wherein the sealing surface is matched with the outer edge of the positioning rod and is matched with an O-shaped sealing ring arranged between the sealing surface and the positioning rod to form a sealing structure.
Further, the bidirectional transmission coupling mechanism also comprises a box body and a rotating shaft, wherein the rotating shaft is of a hollow structure, one end of the rotating shaft is connected with the hollow single coupling through a key matched with the key slot, one end of the positioning rod far away from the hollow single coupling penetrates through the rotating shaft along the axial direction of the rotating shaft, and one end of the positioning rod far away from the hollow single coupling is provided with a flange and is fixedly connected with the rotating shaft through the flange;
bearings for rotatably connecting the rotating shafts are sleeved at two ends of the box body to bear the rotating shafts and the coupling mechanism.
Through will hollow monomer connecting axle is connected to locating lever one end, and the axis of rotation is connected to the other end to with external device axial fixity in the axis of rotation, with the impact transmission that external device received for the box, reduce the impact that causes for external device because of the vibration by a wide margin, prolong its life.
Furthermore, bearing end covers for fixing the bearings are arranged at the two ends of the box body.
Further, the external device is fixedly connected to one end, close to the outer hexagonal connecting sleeve, of the box body, and an external rod matched with the flat square through hole is arranged on the external device, close to the outer hexagonal connecting sleeve.
Further, a screw hole perpendicular to the flat square through hole is formed in the outer hexagonal connecting sleeve and communicated with the flat square through hole, and a screw is arranged on the screw hole of the outer hexagonal connecting sleeve so as to tightly press an outer connecting rod inserted into the flat square through hole.
Further, the external device is a load mechanism or a prime motor, and the bidirectional transmission of the bidirectional transmission coupling mechanism is realized by selecting different external devices, so that not only can the power of the external device serving as the prime motor be transmitted to the rotating shaft, but also the power of the rotating shaft can be transmitted to the external device serving as the load mechanism.
The utility model has the beneficial effects that:
according to the bidirectional transmission coupling mechanism, the hollow single coupling in a cylindrical shape is matched with the rotating shaft in a hollow structure, the rotating shaft is connected in a nested mode through the key grooves on the outer side, the outer hexagonal connecting sleeve is connected in a nested mode through the concave hexagonal connecting sleeve, and the external device is connected through the flat through hole in the outer hexagonal connecting sleeve, so that the connection between the external device and the rotating shaft is achieved, and through the nested connection mode, the extremely large installation space is saved in the axial direction and the longitudinal direction, and the problem that the existing coupling occupies a large space and is not suitable for coupling in a compact space is solved.
Secondly, through will hollow monomer connecting axle is connected to locating lever one end, and the axis of rotation is connected to the other end to with external device axial fixity in the axis of rotation, with the impact that external device received for the box, reduce the impact that causes for external device because of the vibration by a wide margin, prolong its life. And through selecting different external devices to cooperate with the forward rotation and the bidirectional transmission coupling mechanism, the bidirectional transmission of the bidirectional transmission coupling mechanism is realized, and not only can the power of the external device serving as a prime motor be transmitted to the rotating shaft, but also the power of the rotating shaft can be transmitted to the external device serving as a load mechanism.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model. The objects and other advantages of the utility model may be realized and obtained by means of the instrumentalities and combinations particularly pointed out in the specification.
Drawings
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be described in the following preferred detail with reference to the accompanying drawings, in which:
FIG. 1 is a schematic diagram of a bi-directional transmission coupling mechanism according to the present utility model;
FIG. 2 is a schematic structural view of a hollow unitary coupling according to the present utility model;
fig. 3 is a schematic structural view of an outer hexagonal connecting sleeve in the present utility model.
Reference numerals: the bearing comprises a box body 1, a bearing 2, a rotating shaft 3, a hollow single coupler 4, a bearing end cover 5, a screw 6, an outer hexagonal connecting sleeve 7, an external device 8, a key 9, a positioning rod 10, a key groove 401, an internal thread 402, an inner concave hexagonal 403, a sealing surface 404, an outer hexagonal 701, a flat square through hole 702, a screw hole 703 and an O-shaped sealing ring 11.
Detailed Description
Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model. It should be noted that the illustrations provided in the following embodiments merely illustrate the basic idea of the present utility model by way of illustration, and the following embodiments and features in the embodiments may be combined with each other without conflict.
Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to limit the utility model; for the purpose of better illustrating embodiments of the utility model, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated 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 numbers in the drawings of embodiments of the utility model correspond to the same or similar components; in the description of the present utility model, it should be understood that, if there are terms such as "upper", "lower", "left", "right", "front", "rear", etc., that indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, it is only for convenience of describing the present utility model and simplifying the description, but not for indicating or suggesting that the referred device or element must have a specific azimuth, be constructed and operated in a specific azimuth, so that the terms describing the positional relationship in the drawings are merely for exemplary illustration and should not be construed as limiting the present utility model, and that the specific meaning of the above terms may be understood by those of ordinary skill in the art according to the specific circumstances.
Referring to fig. 1 to 3, the bidirectional transmission coupling mechanism is suitable for compact space, occupies small space in the axial direction and the longitudinal direction, and particularly saves extremely large installation space in the axial direction, and comprises a hollow single coupling 4, an outer hexagonal connecting sleeve 7 and a positioning rod 10, wherein the hollow single coupling 4 is in a cylindrical shape, one end of the hollow single coupling is provided with an internal thread 402 in threaded connection with one end of the positioning rod 10, the other end of the hollow single coupling is provided with an inner concave hexagonal 403 for connecting the outer hexagonal connecting sleeve 7, and a key groove 401 is arranged on the outer side of the hollow single coupling 4 so as to be connected with a rotating shaft 3 through the key groove 401;
the outer hexagonal connecting sleeve 7 is of a two-stage step structure, the small diameter end of the outer hexagonal connecting sleeve is an outer hexagonal 701 matched with the concave hexagonal 403, a flat square through hole 702 is arranged in the center of the large diameter end of the outer hexagonal connecting sleeve to be connected with the external device 8, a screw hole 703 perpendicular to the flat square through hole 702 is formed in one side of the outer hexagonal connecting sleeve 7 and at the position corresponding to the flat square through hole 702, and the screw hole 703 is screwed into the screw 6 to compress an outer connecting rod inserted into the flat square through hole, so that the displacement of the external device 8 is limited in the axial direction.
Specifically, the internal structure of the hollow single coupling 4 includes an internal thread 402 located in the middle section, a concave hexagonal 403 close to the outer hexagonal connecting sleeve 7, and a sealing surface 404 close to the positioning rod 10, where the sealing surface 404 is matched with the outer edge of the positioning rod 10, and cooperates with an O-ring 11 disposed between the sealing surface 404 and the positioning rod 10 to form a sealing structure, so as to prevent the lubricating oil in the tank 1 from leaking.
The positioning rod 10 is a solid step shaft body, the right end of the positioning rod is inserted into a central hole of the hollow single coupling 4 and is provided with external threads, the positioning rod is connected with the threads of the hollow single coupling 4, the axial movement of the hollow single coupling 4 is limited, the left end of the positioning rod is provided with a flange, the flange is provided with screw holes, and the flange positioned at the left end of the positioning rod 10 is fixedly connected with the rotating shaft 3 by screws.
Specifically, this two-way transmission coupling mechanism still includes box 1, axis of rotation 3, bearing 2 and key 9, box 1 is used for carrying above-mentioned coupling mechanism, and its internally mounted has two bearings 2 of bilateral symmetry, and axis of rotation 3 is installed at bearing 2 center, and axis of rotation 3 is hollow structure for the transmission moment of torsion, and its right-hand member internal surface is opened has the recess with keyway 401 assorted for connecting key 9, in order to form the key connection between axis of rotation 3 and hollow single shaft coupling 4, thereby form the shaft coupling, and pass through key 9 transmission moment of torsion between axis of rotation 3 and hollow single shaft coupling 4.
The rotating shaft 3 can be used as a driven shaft or a driving shaft, and a transmission mechanism connected with a transmission mechanism such as a gear is arranged on the outer edge of the rotating shaft, such as an outer gear ring; the external device 8 can be a prime motor (such as a driving motor), and provides power for the rotating shaft 3 through a coupling mechanism (comprising a hollow single coupling 4, an outer hexagonal connecting sleeve 7 and a positioning rod 10), and further provides power for a transmission mechanism in the box body 1 through the rotating shaft 3; the external device 8 is provided with an external rod (as an output or shaft input shaft) matched with the flat square through hole 702 in the external hexagonal connecting sleeve 7, and the external rod is inserted into the flat square through hole 702 to output or receive power.
Preferably, bearing end covers for fixing bearings are further arranged at two ends of the box body, the bearing end covers 5 are fixedly connected to the box body 1 through screws 6, and sealing rings are arranged between the box body 1 and the bearing end covers 5; the external device 8 is fixedly connected to the bearing end cover 5 at one end, close to the outer hexagonal connecting sleeve 7, of the box body 1 through a screw 6.
Preferably, a stepped ring having an inner diameter matching with an outer diameter of a large diameter end of the outer hexagonal connecting sleeve 7 is provided at one end of the hollow type single coupling 4 adjacent to the outer hexagonal connecting sleeve 7 to nest the outer hexagonal connecting sleeve 7, and a step is formed at a side far from the outer hexagonal connecting sleeve 7 to limit an axial position of the rotating shaft 3.
The working principle of the bidirectional transmission coupling mechanism is as follows:
torque transfer from right to left: at this time, the external device 8 is a prime mover and generates a certain torque. The torque is transmitted to an outer hexagonal connecting sleeve 7 through an external connecting rod (output shaft) at the left end of an external device 8, and the outer hexagonal connecting sleeve 7 transmits the torque to the hollow single coupler 4; the hollow single coupling 4 continuously transmits torque to the rotating shaft 3, the rotating shaft 3 rotates, and the torque is transmitted to the inside of the box body 1 from the outside.
Torque transfer from left to right: the case 1 is used as a power source at this time. Torque is transmitted from the rotating shaft 3 to the hollow single connecting shaft 4, then is transmitted from the hollow single connecting shaft 4 to the outer hexagonal connecting sleeve 7, and then is transmitted from the outer hexagonal connecting sleeve 7 to the external device 8, and finally drives the external device 8 to rotate.
In the operation process, one end of the positioning rod 10 is connected with the hollow single connecting shaft 4, and the other end of the positioning rod is connected with the rotating shaft 3, so that the external device 8 is axially fixed on the rotating shaft 3, the impact received by the external device 8 is transmitted to the box body 1, the impact caused by vibration to the external device 8 is greatly reduced, and the service life of the external device is prolonged.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the present utility model, which is intended to be covered by the claims of the present utility model.
Claims (8)
1. A bi-directional transmission coupling mechanism, characterized in that: the coupling mechanism comprises a hollow single coupling and an outer hexagonal connecting sleeve, wherein one end of the hollow single coupling is provided with a concave hexagonal used for connecting the outer hexagonal connecting sleeve, and the outer side of the hollow single coupling is provided with a key slot so as to be connected with a rotating shaft through the key slot;
the outer hexagonal connecting sleeve is of a step structure, the small-diameter end of the outer hexagonal connecting sleeve is an outer hexagonal matched with the concave hexagonal, and a flat square through hole is formed in the center of the large-diameter end of the outer hexagonal connecting sleeve so as to be connected with an external device through the flat square through hole.
2. The bi-directional transmission coupling mechanism according to claim 1, wherein: the coupling mechanism further comprises a positioning rod, the positioning rod is arranged at one end, far away from the outer hexagonal connecting sleeve, of the hollow single coupling, and an inner thread used for fixedly connecting the positioning rod is arranged on the inner surface of the hollow single coupling.
3. The bi-directional transmission coupling mechanism according to claim 2, wherein: the hollow single coupler is cylindrical, and the inner structure of the hollow single coupler comprises an inner thread positioned at the middle section, an inner concave hexagonal close to the outer hexagonal connecting sleeve and a sealing surface close to the positioning rod, wherein the sealing surface is matched with the outer edge of the positioning rod and is matched with an O-shaped sealing ring arranged between the sealing surface and the positioning rod to form a sealing structure.
4. The bi-directional transmission coupling mechanism according to claim 2, wherein: the positioning rod is arranged on the inner side of the box body, is connected with the inner side of the box body, and is fixedly connected with the outer side of the box body;
bearings for rotatably connecting the rotating shafts are sleeved at two ends of the box body to bear the rotating shafts and the coupling mechanism.
5. The bi-directional transmission coupling mechanism according to claim 4, wherein: bearing end covers for fixing the bearings are further arranged at two ends of the box body.
6. The bi-directional transmission coupling mechanism according to claim 4, wherein: the box body is fixedly connected to one end close to the outer hexagonal connecting sleeve, and the outer hexagonal connecting sleeve is provided with an external connecting rod matched with the flat square through hole.
7. The bi-directional transmission coupling mechanism according to claim 6, wherein: the outer hexagonal connecting sleeve is provided with a screw hole perpendicular to the flat square through hole, the screw hole is communicated with the flat square through hole, and the screw hole on the outer hexagonal connecting sleeve is provided with a screw to compress an outer connecting rod inserted into the flat square through hole.
8. The bi-directional transmission coupling mechanism according to claim 6, wherein: the external device is a load mechanism or a prime motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322320679.XU CN220668177U (en) | 2023-08-28 | 2023-08-28 | Bidirectional transmission coupling mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322320679.XU CN220668177U (en) | 2023-08-28 | 2023-08-28 | Bidirectional transmission coupling mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220668177U true CN220668177U (en) | 2024-03-26 |
Family
ID=90341307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322320679.XU Active CN220668177U (en) | 2023-08-28 | 2023-08-28 | Bidirectional transmission coupling mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220668177U (en) |
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2023
- 2023-08-28 CN CN202322320679.XU patent/CN220668177U/en active Active
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