CN212055566U - Portable ball tooth shaft coupling - Google Patents
Portable ball tooth shaft coupling Download PDFInfo
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- CN212055566U CN212055566U CN202020423745.XU CN202020423745U CN212055566U CN 212055566 U CN212055566 U CN 212055566U CN 202020423745 U CN202020423745 U CN 202020423745U CN 212055566 U CN212055566 U CN 212055566U
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Abstract
The utility model discloses a portable spherical tooth shaft coupling, which comprises an inner spherical tooth joint and an outer spherical tooth joint of the spherical tooth shaft coupling, wherein the inner spherical tooth joint and the outer spherical tooth joint are meshed through a tooth part, thereby not only transmitting power, but also being capable of automatically sealing, the sealing assembly is integrally connected on the outer spherical tooth section and comprises a sealing baffle integrally connected at the rear part of the outer spherical tooth section, the elastic sealing layer is arranged on the outer circumferential surface of the sealing baffle, the utility model can self-seal the joint of the inner spherical tooth section and the outer spherical tooth section through the sealing baffle and the elastic sealing layer without additionally arranging a gland, thereby leading the overall diameter of the coupling to be smaller than the external diameter of other spherical tooth couplings, being suitable for small space which is difficult to operate, and then improve the practicality to overall structure is simple, simple to operate, work load when can reduce the assembly greatly, and convenient to detach whole convenient to use.
Description
Technical Field
The utility model relates to a shaft coupling, specific theory relates to a simple structure, and seal assembly and shaft coupling be connected as an organic whole, can be along with the shaft coupling dismouting together to be convenient for install, dismantle, overall structure size is little, can be at the portable ball tooth shaft coupling that narrow and small space used, belong to shaft coupling technical field.
Background
The coupler is a mechanical part used for connecting two shafts (a driving shaft and a driven shaft) in different mechanisms to enable the two shafts to rotate together so as to transmit torque, wherein the coupler is widely applied to the industries of metallurgy, steel rolling and steel making, the coupler is mostly adopted in the transmission modes of roller bed conveying rollers and a gearbox for steel rolling and steel making, the concentricity requirement of a roller and an output shaft of the gearbox is higher due to the limited use angle of the original coupler, the coupler needs to be strictly adjusted, so the installation workload is large, the failure rate of the coupler is higher, and the commonly used couplers are a drum-shaped tooth coupler and a quincunx coupler.
The drum-shaped tooth type coupler has an adaptive angle of 0-1.5 degrees, the concentricity requirement of a roller and a gearbox output shaft is high during installation, and the coupler needs to be strictly adjusted, so that the installation workload is high, and the failure rate of the coupler is high. The adaptive angle of the plum blossom coupling is also 0-1.5 degrees, the installation workload is as large as that of a crowned tooth roller coupling, and the plum blossom coupling is supported by a polyurethane cushion, so that the service life is short; the replacement is frequent.
SUMMERY OF THE UTILITY MODEL
The to-be-solved main technical problem of the utility model is to provide a simple structure, seal assembly and shaft coupling be connected as an organic whole, can be along with the shaft coupling dismouting together to be convenient for install, dismantle, overall structure size is little, can be at the portable ball tooth shaft coupling that narrow and small space used.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model provides a portable ball tooth shaft coupling, includes the interior ball tooth festival and the outer ball tooth festival of ball tooth shaft coupling, interior ball tooth festival and outer ball tooth festival both transmit power and can self-sealing through tooth portion meshing, an organic whole is connected with seal assembly on the outer ball tooth festival, and seal assembly includes the sealing baffle of an organic whole connection at outer ball tooth festival rear, has laid the elastic sealing layer on sealing baffle's the outer periphery.
The following is the utility model discloses to above-mentioned technical scheme's further optimization:
the outer circle surface of the sealing baffle is provided with an installation groove for installing the elastic sealing layer, and the inner circle of the elastic sealing layer is provided with a matching surface matched with the outer circle of the sealing baffle.
Further optimization: one side of the outer spherical tooth section, which is far away from the inner spherical tooth section, is integrally connected with a main connecting shaft, and one side of the inner spherical tooth section, which is far away from the outer spherical tooth section, is integrally connected with a secondary connecting shaft.
Further optimization: the outer spherical surface of the outer spherical tooth joint is provided with a plurality of outer spherical teeth, and the inner wall of the inner spherical cavity of the inner spherical tooth joint is provided with a plurality of inner spherical teeth meshed with the outer spherical teeth on the outer spherical tooth joint.
Further optimization: an annular groove is formed in one side face, close to the sealing baffle, of the outer spherical tooth joint, the inner side of the annular groove is communicated with the spherical cavity respectively, and the diameter of the annular groove is smaller than or equal to the diameter of an outer circle of the elastic sealing layer.
Further optimization: the outer spherical tooth joint is assembled in a spherical cavity of the inner spherical tooth joint, and the sealing component on the outer spherical tooth joint is also assembled in the annular groove of the inner spherical tooth joint.
Further optimization: a first connecting hole is coaxially formed in the main connecting shaft along the axial direction, and a first threaded positioning hole communicated with the first connecting hole is vertically formed in the outer circular surface of the main connecting shaft.
Further optimization: and second connecting holes are coaxially arranged in the secondary connecting shaft along the axial direction, and second threaded positioning holes communicated with the second connecting holes are vertically formed in the outer circular surface of the secondary connecting shaft.
The utility model adopts the above technical scheme, when using, firstly the outer spherical gear joint is sleeved on the driving shaft through the main connecting shaft, the inner spherical gear joint is sleeved on the driven shaft through the secondary connecting shaft, and the driving shaft and the driven shaft are mutually connected to transmit power through the meshing of the outer spherical gear and the inner spherical gear; meanwhile, the sealing component is also arranged in the annular groove of the inner spherical tooth to realize sealing.
And then under the condition that the meshing of the outer spherical teeth and the inner spherical teeth is reasonable, the outer spherical teeth and the inner spherical teeth are fixed on the machine body of the driving shaft and the driven shaft simultaneously through the first thread positioning hole and the second thread positioning hole by bolts, so that the driving shaft and the driven shaft can be connected in a transmission way.
The above technical scheme is adopted in the utility model, think about ingenious, rational in infrastructure, can carry out the self sealss to the junction of interior ball tooth festival and outer ball tooth festival through seal baffle and elastic sealing layer, need not to add and establish the gland, and then make its whole diameter compare other ball tooth shaft couplings external diameters little, be applicable to the narrow and small space that the space is little, difficult operation, and then improve the practicality, and overall structure is simple, simple to operate, work load when can significantly reduce the assembly, and convenient to detach whole convenient to use.
The present invention will be further explained with reference to the drawings and examples.
Drawings
Fig. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
fig. 3 is a schematic structural view of the main connecting shaft in the embodiment of the present invention;
FIG. 4 is a cross-sectional view of the general structure of FIG. 3;
FIG. 5 is a side view of FIG. 3;
fig. 6 is a structural sectional view of an elastic sealing layer in an embodiment of the present invention;
fig. 7 is a structural sectional view of a secondary connecting shaft in an embodiment of the present invention.
In the figure: 1-a main connecting shaft; 2-a secondary connecting shaft; 3-sealing a baffle plate; 4-an elastomeric sealing layer; 5-external spherical gear segment; 6-inner spherical gear segment; 7-a first connection hole; 8-a second connection hole; 9-a first keyway; 10-a second keyway; 11-a first threaded locating hole; 12-a second threaded locating hole; 13-outer buttons; 14-a ball cavity; 15-inner spherical teeth; 16-an annular groove; 17-mounting the groove.
Detailed Description
Example (b): as shown in fig. 1-7, a portable spherical gear coupling comprises an inner spherical gear joint 6 and an outer spherical gear joint 5 of the spherical gear coupling, wherein the inner spherical gear joint 6 and the outer spherical gear joint 5 are meshed through a gear part to transmit power and can be automatically sealed, a sealing assembly is integrally connected onto the outer spherical gear joint 5 and comprises a sealing baffle plate 3 integrally connected to the rear of the outer spherical gear joint, and a soft sealing layer is arranged on the outer circumferential surface of the sealing baffle plate 3.
One side of the outer spherical tooth section 5, which is far away from the inner spherical tooth section 6, is integrally connected with a main connecting shaft 1, and one side of the inner spherical tooth section 6, which is far away from the outer spherical tooth section 5, is integrally connected with a secondary connecting shaft 2.
The overall structure of the outer spherical gear section 5 is in a semi-sphere shape, and a plurality of outer spherical teeth 13 are distributed on the outer spherical surface of the outer spherical gear section 5.
The inner part of the inner spherical tooth joint 6 is provided with a spherical cavity 14 matched with the integral structure of the outer spherical tooth joint 5, and the inner wall of the spherical cavity 14 is provided with a plurality of inner spherical teeth 15 meshed with the outer spherical teeth 13 on the outer spherical tooth joint 5.
The outer spherical teeth 13 on the outer spherical teeth joint 5 are meshed with the inner spherical teeth 15 on the inner spherical teeth joint 6, so that the outer spherical teeth joint 5 is assembled in the spherical cavity 14 of the inner spherical teeth joint 6, and the main connecting shaft 1 is in transmission connection with the secondary connecting shaft 2 through the meshing of the outer spherical teeth 13 and the inner spherical teeth 15.
The cross section of the outer spherical tooth 13 is in an arc shape smaller than or equal to a semicircle.
The radian of the cross section of the outer spherical teeth 13 is gradually reduced from the maximum diameter position of the outer spherical tooth joint 5 to the front end respectively, so that the overall shape of the outer spherical teeth 13 is wedge-shaped arc teeth.
The cross-sectional shape of the inner buttons 15 matches the cross-sectional shape of the outer buttons 13.
An annular groove 16 is formed in one side face, close to the sealing baffle 3 on the main connecting shaft 1, of the outer spherical tooth joint 5, the inner side of the annular groove 16 is communicated with the spherical cavity 14, and the diameter of the annular groove 16 is smaller than or equal to the diameter of an outer circle of the elastic sealing layer 4.
The outer spherical tooth joint 5 is assembled in the spherical cavity 14 of the inner spherical tooth joint 6, so that the elastic sealing layer 4 on the sealing baffle 3 of the main connecting shaft 1 is assembled in the annular groove 16 of the outer spherical tooth joint 5, and the elastic sealing layer 4 is tightly contacted with the inner circular surface of the annular groove 16.
By the design, when the outer spherical teeth 13 on the outer spherical teeth joint 5 are meshed with the inner spherical teeth 15 on the inner spherical teeth joint 6, the outer spherical teeth joint 5 can be assembled in the spherical cavity 14 of the inner spherical teeth joint 6, and the inner spherical teeth joint 6 can be hermetically installed in the spherical cavity 14 of the outer spherical teeth joint 5 by the elastic sealing layer 4 on the sealing baffle plate 3 and the inner circular surface of the annular groove 16 in close contact.
And elastic sealing layer 4 self has elasticity, and then when interior ball tooth section 6 swung in outer ball tooth section 5, accessible elastic sealing layer 4 carries out the self sealss, and then improves the practicality to overall structure is simple, changes to join in marriage simple to operate, work load when can reduce the assembly greatly.
In this embodiment, the elastic sealing layer 4 is a sealing ring made of rubber material.
And the outer circle surface of the sealing baffle 3 is provided with an installation groove 17 for installing the elastic sealing layer 4, and the inner circle of the elastic sealing layer 4 is provided with a matching surface matched with the outer circle of the sealing baffle 3.
By the design, the elastic sealing layer 4 can be installed in the installation groove 17 through the installation part, and the elastic sealing layer 4 is conveniently sleeved on the outer circular surface of the sealing baffle plate 3.
The main connecting shaft 1 is internally provided with a first connecting hole 7 along the axial direction, and the first connecting hole 7 is used for driving and connecting the main connecting shaft 1 with a driving shaft.
And a second connecting hole 8 is coaxially arranged in the secondary connecting shaft 2 along the axial direction, and the second connecting hole 8 is used for driving and connecting the secondary connecting shaft 2 and the driven shaft.
A first key groove 9 is formed in the hole wall of the first connecting hole 7, and a second key groove 10 is formed in the hole wall of the second connecting hole 8.
The number of the first key grooves 9 and the second key grooves 10 may be set according to the magnitude of the transmission torque, and may be, for example, two or more.
When the main connecting shaft 1 is in transmission connection with the driving shaft through the first connecting hole 7, a connecting key can be assembled in the first key groove 9, and the rotating connection effect is improved.
When the secondary connecting shaft 2 is in transmission connection with the driven shaft through the second connecting hole 8, a connecting key can be assembled in the second key groove 10, so that the rotating connection effect is improved.
The outer circular surface of the main connecting shaft 1 is vertically provided with a first threaded positioning hole 11 communicated with the first connecting hole 7, and the wall of the first threaded positioning hole 11 is provided with threads.
And a second threaded positioning hole 12 communicated with the second connecting hole 8 is vertically formed in the outer circular surface of the secondary connecting shaft 2, and threads are distributed on the wall of the second threaded positioning hole 12.
And threaded fasteners are respectively connected in the first threaded positioning hole 11 and the second threaded positioning hole 12 in a threaded manner and are used for fixedly connecting the driving shaft and the driven shaft with the main connecting shaft 1 and the secondary connecting shaft 2 respectively.
The utility model adopts the above technical scheme, when using, firstly, the outer spherical gear joint 5 is sleeved on the driving shaft through the main connecting shaft 1, the inner spherical gear joint 6 is sleeved on the driven shaft through the secondary connecting shaft 2, and the driving shaft and the driven shaft are mutually connected to transmit power through the meshing of the outer spherical gear 13 and the inner spherical gear 15; and the sealing assembly is also arranged in the annular groove 16 of the inner spherical tooth section 6 to realize sealing.
And then, under the condition that the meshing of the outer spherical teeth 13 and the inner spherical teeth 15 is reasonable, the outer spherical tooth joints 5 and the inner spherical tooth joints 6 are simultaneously fixed on the machine bodies of the driving shaft and the driven shaft by bolts through the first thread positioning holes 11 and the second thread positioning holes 12, so that the driving connection between the driving shaft and the driven shaft can be realized.
For those skilled in the art, based on the teachings of the present invention, changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the invention.
Claims (8)
1. The utility model provides a portable ball tooth shaft coupling, includes interior ball tooth festival (6) and outer ball tooth festival (5) of ball tooth shaft coupling, its characterized in that: interior ball tooth section (6) and outer ball tooth section (5) have both transmitted power and can self-sealing through tooth meshing, an organic whole is connected with sealing assembly on outer ball tooth section (5), and sealing assembly includes sealing baffle (3) of an organic whole connection at outer ball tooth section rear, and it has elasticity sealing layer (4) to lay on the outer periphery of sealing baffle (3).
2. The portable button coupling of claim 1, wherein: and an installation groove (17) for installing the elastic sealing layer (4) is formed in the outer circle surface of the sealing baffle plate (3), and a matching surface matched with the outer circle of the sealing baffle plate (3) is formed in the inner circle of the elastic sealing layer (4).
3. A portable button coupling according to claim 2, wherein: one side of the outer spherical tooth joint (5) far away from the inner spherical tooth joint (6) is integrally connected with a main connecting shaft (1), and one side of the inner spherical tooth joint (6) far away from the outer spherical tooth joint (5) is integrally connected with a secondary connecting shaft (2).
4. A portable button coupling according to claim 3, wherein: a plurality of outer spherical teeth (13) are distributed on the outer spherical surface of the outer spherical tooth joint (5), and a plurality of inner spherical teeth (15) meshed with the outer spherical teeth (13) on the outer spherical tooth joint (5) are distributed on the inner wall of the inner spherical cavity of the inner spherical tooth joint (6).
5. The portable button coupling of claim 4, wherein: an annular groove (16) is formed in one side face, close to the sealing baffle (3), of the outer spherical tooth joint (5), the inner side of the annular groove (16) is communicated with the spherical cavity (14) respectively, and the diameter of the annular groove (16) is smaller than or equal to the diameter of the outer circle of the elastic sealing layer (4).
6. The portable button coupling of claim 5, wherein: the outer spherical tooth joint (5) is assembled in a spherical cavity (14) of the inner spherical tooth joint (6), and the sealing component on the outer spherical tooth joint (5) is also assembled in an annular groove (16) of the inner spherical tooth joint (6) at the same time.
7. The portable button coupling of claim 6, wherein: the connecting structure is characterized in that a first connecting hole (7) is coaxially arranged in the main connecting shaft (1) along the axial direction, and a first threaded positioning hole (11) communicated with the first connecting hole (7) is vertically formed in the outer circular surface of the main connecting shaft (1).
8. The portable button coupling of claim 7, wherein: and a second connecting hole (8) is coaxially arranged in the secondary connecting shaft (2) along the axial direction, and a second threaded positioning hole (12) communicated with the second connecting hole (8) is vertically formed in the outer circular surface of the secondary connecting shaft (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020423745.XU CN212055566U (en) | 2020-03-30 | 2020-03-30 | Portable ball tooth shaft coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020423745.XU CN212055566U (en) | 2020-03-30 | 2020-03-30 | Portable ball tooth shaft coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212055566U true CN212055566U (en) | 2020-12-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020423745.XU Active CN212055566U (en) | 2020-03-30 | 2020-03-30 | Portable ball tooth shaft coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212055566U (en) |
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2020
- 2020-03-30 CN CN202020423745.XU patent/CN212055566U/en active Active
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