CN219692060U - Cross universal coupling with long service life - Google Patents
Cross universal coupling with long service life Download PDFInfo
- Publication number
- CN219692060U CN219692060U CN202320252791.1U CN202320252791U CN219692060U CN 219692060 U CN219692060 U CN 219692060U CN 202320252791 U CN202320252791 U CN 202320252791U CN 219692060 U CN219692060 U CN 219692060U
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- Prior art keywords
- connecting pipe
- sealing
- universal coupling
- oil
- cross
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- 230000008878 coupling Effects 0.000 title claims abstract description 37
- 238000010168 coupling process Methods 0.000 title claims abstract description 37
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 37
- 238000007789 sealing Methods 0.000 claims abstract description 58
- 239000000945 filler Substances 0.000 claims description 13
- 102000004315 Forkhead Transcription Factors Human genes 0.000 claims description 6
- 108090000852 Forkhead Transcription Factors Proteins 0.000 claims description 6
- 238000002347 injection Methods 0.000 abstract description 13
- 239000007924 injection Substances 0.000 abstract description 13
- 230000001050 lubricating effect Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 239000004519 grease Substances 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 50
- 239000010687 lubricating oil Substances 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Sealing Devices (AREA)
Abstract
The utility model discloses a long-service-life cross universal coupling, and aims to solve the problem of poor sealing performance of an existing universal coupling connecting cylinder. The universal coupling comprises a universal coupling body 1, wherein the universal coupling body 1 comprises a spline sleeve, a spline shaft is arranged in the spline sleeve, a connecting pipe is sleeved on the outer side of the spline shaft, an oil injection hole is formed in the connecting pipe, a sealing sleeve is arranged on the outer side of the connecting pipe, the left end and the right end of the sealing sleeve are arranged on the outer side wall of the connecting pipe, a sealing ring is arranged on one side, in contact with the connecting pipe, of the sealing sleeve, an oil inlet matched with the oil injection hole is formed in the sealing sleeve, the oil inlet is mutually communicated with the oil injection hole, a sealing plug is arranged in the oil inlet, and an oil injection channel is formed in the spline sleeve and is communicated with the oil injection hole. The sealing sleeve is arranged, so that the sealing performance of the coupler can be improved, the lubricating grease in the coupler is prevented from losing, the loss increase in the using process is reduced, and the service life of the coupler is prolonged.
Description
Technical Field
The utility model relates to the technical field of couplings, in particular to a long-service-life cross universal coupling.
Background
The universal coupling utilizes the characteristics of the mechanism to ensure that the two shafts are not on the same axis, can realize continuous rotation of the connected two shafts under the condition of an included angle of the axes, and reliably transmits torque and motion. The universal coupling is characterized in that: the structure of the device has larger angular compensation capability, compact structure and high transmission efficiency. The included angles of two axes of the universal couplings with different structural types are different and are generally 5 degrees to 45 degrees.
The application number is: the patent document of CN202023297033.7 discloses a high-torque universal coupling, which comprises a linkage shaft, wherein both ends of the linkage shaft are respectively connected with a fixed joint, the fixed joint comprises a flange yoke, a cross shaft assembly and a universal joint yoke, one side of the flange yoke, which is away from the linkage shaft, is fixedly connected with a flange plate, a plurality of mounting holes are uniformly formed in the flange plate, a plurality of meshing tooth blocks are fixedly connected to the end surface of the flange plate, and the meshing tooth blocks are uniformly distributed circumferentially around the center of the flange plate; the universal driving shaft comprises a spline shaft and a shaft sleeve, the spline shaft is slidably connected in the shaft sleeve, a key groove meshed with the key teeth is formed in the inner wall of the shaft sleeve along the length direction of the inner wall of the shaft sleeve, an annular oil groove and a linear oil groove are formed in the spline shaft, the annular oil groove and the linear oil groove are communicated in a crossing mode, and an oil filling hole is formed in the side wall of the shaft sleeve.
According to the above, the sealing performance of the conventional universal coupling connecting cylinder is poor, cleaning water easily enters the coupling, so that lubricating grease in the coupling is lost, the lubricating performance of the coupling is reduced, the loss in the use process is increased, the service life of the coupling is shortened, and the oil filling hole of the conventional universal coupling is lack of a sealing structure and is directly exposed in the air. Therefore, there is a need for an improvement in such a structure to overcome the above-mentioned drawbacks.
Disclosure of Invention
The utility model aims to provide a high-service-life cross universal coupling, which is used for solving the problems that the sealing performance of the conventional universal coupling connecting cylinder is poor, cleaning water is easy to enter the coupling, so that lubricating grease in the coupling is lost, the lubricating performance of the coupling is reduced, the loss in the use process is increased, the service life of the coupling is reduced, and the oil filling hole of the conventional universal coupling is lack of a sealing structure and is directly exposed in the air.
The technical aim of the utility model is realized by the following technical scheme:
the utility model provides a high life cross universal joint, includes universal joint body 1, universal joint body 1 includes the spline housing, the inside of spline housing is equipped with the spline shaft, the outside cover of spline shaft is equipped with the connecting pipe, the oil filler point has been seted up on the connecting pipe, the outside of connecting pipe is provided with the seal cover, both ends are installed through first fixing bolt about the seal cover on the lateral wall of connecting pipe, the seal cover with one side that the connecting pipe contacted is provided with the sealing washer, the inboard of sealing washer with connecting pipe in close contact with, open on the seal cover have with oil filler point assorted inlet port, inlet port and oil filler point communicate each other, be provided with the sealing plug in the inlet port, open on the spline housing and have the oiling passageway, the oiling passageway with the oil filler point communicates.
The utility model is further provided with: the universal coupling comprises a universal coupling body 1, wherein two ends of the universal coupling body 1 are connected with fixed fork heads, a cross shaft is arranged in each fixed fork head, the fixed fork heads are connected with the cross shaft, and flange fork heads are further arranged on the cross shafts.
The utility model is further provided with: the sealing sleeve is of a cylindrical hollow structure, and a screw hole for accommodating a first fixing bolt is formed in the side wall of the sealing sleeve.
The utility model is further provided with: the fixed fork head is provided with a screw hole for accommodating a second fixing bolt, and the second fixing screw penetrates through the screw hole to connect the fixed fork head with the connecting pipe.
The utility model is further provided with: the sealing sleeve is characterized in that the inner side wall of the sealing sleeve is provided with two mounting grooves for accommodating sealing rings.
The utility model is further provided with: the top of sealing plug is provided with the pull ring.
Compared with the prior art, the utility model has the following beneficial effects:
1. the sealing sleeve is arranged on the coupler, so that the sealing performance of the coupler can be improved, the lubricating grease in the coupler is prevented from losing, the lubricating effect is ensured, the loss in the using process is reduced, and the service life of the coupler is prolonged.
2. The connecting pipe is provided with the oil filling hole, the sealing sleeve is provided with the oil filling hole matched with the oil filling hole, the oil filling hole is communicated with the oil filling hole, the sealing plug is arranged in the oil filling hole, the spline housing is provided with the oil filling channel, the oil filling channel is communicated with the oil filling hole, the sealing plug is taken down when oil filling is needed, lubricating oil is added through the oil filling hole, the lubricating oil sequentially passes through the oil filling hole, the oil filling hole and the oil filling channel, the spline housing and the spline shaft are lubricated, and the sealing plug is reinstalled after oil filling is completed, so that lubricating oil leakage is avoided.
Drawings
Fig. 1 is a schematic structural view of embodiment 1 of the present utility model.
Fig. 2 is a partial enlarged view of embodiment 1 of the present utility model.
Fig. 3 is a schematic structural view of embodiment 2 of the present utility model.
Number labels: the universal coupling comprises a universal coupling body 1, a spline housing 2, a connecting pipe 3, an oil filling hole 4, a sealing sleeve 5, an oil filling hole 6, a sealing plug 7, a fixed fork 8, a cross shaft 9, a flange fork 10, a mounting groove 11, an oil filling channel 12, a sealing ring 13 and a pull ring 14
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 to 2, the high-service-life cross universal coupler provided by the utility model comprises a universal coupler body 1, wherein the universal coupler body 1 comprises a spline housing 2, a spline shaft is arranged in the spline housing 2, a connecting pipe 3 is sleeved on the outer side of the spline shaft, an oil injection channel 12 is arranged on the spline housing 2, a sealing sleeve 5 is arranged on the outer side of the connecting pipe 3, the left end and the right end of the sealing sleeve 5 are mounted on the outer side wall of the connecting pipe 3 through first fixing bolts, a sealing ring 13 is arranged on one side, in contact with the connecting pipe 3, of the sealing sleeve 5, the inner side of the sealing ring 13 is tightly contacted with the connecting pipe 3, two groups of sealing rings 13 are arranged, an oil inlet 6 matched with the oil injection hole 4 is arranged on the sealing sleeve 5, the oil inlet 6 is positioned between the two groups of sealing rings 13, the oil inlet 6 is mutually communicated with the oil injection hole 4, a sealing plug 7 is arranged in the oil inlet 6, an oil injection channel 12 is arranged on the spline housing 2, the oil injection channel 12 is communicated with the oil hole 4, when oil injection is required, the sealing plug 7 is taken down, lubricating oil is added through the oil inlet 6 and flows out through the oil inlet 6 and 4 in sequence, and flows out of the oil channel 12 through the oil injection channel 12, the oil injection channel 2 and the spline shaft has a reduced service life in the spline process.
The both ends of universal joint body 1 are connected with fixed fork 8, all are provided with cross 9 in every fixed fork 8, and fixed fork 8 is connected with cross 9, still is provided with flange fork 10 on the cross 9, and fixed fork 8 and flange fork 10 are prior art with the connected mode of cross 9, and the description is omitted here. The outer side of the flange fork 10 is connected with an end face key.
The sealing sleeve 5 is of a cylindrical hollow structure, and a screw hole for accommodating a first fixing bolt is formed in the side wall of the sealing sleeve 5.
The fixed fork head 8 is provided with a screw hole for accommodating a second fixing bolt, and the second fixing screw penetrates through the screw hole to connect the fixed fork head 8 with the connecting pipe 3.
The inner side wall of the sealing sleeve 5 is provided with a mounting groove 11 for accommodating the sealing ring 13, in this embodiment, two mounting grooves 11 are provided, the number and positions of the mounting grooves 11 are only for convenience of explanation, and the number and positions of the mounting grooves 11 can be adjusted according to actual needs, and the utility model should not be construed as being limited.
Example 2
As shown in fig. 3, in this embodiment, the top of the sealing plug 7 is provided with a pull ring 14, and a worker can pull out the sealing plug 7 through the pull ring 14, and other settings of this embodiment are the same as those of embodiment 1 except for the above setting.
The practical process and principle of the utility model are as follows; be equipped with seal cover 5, can improve the sealing performance of shaft coupling, avoid lubricating grease in the shaft coupling to run off, guarantee lubricated effect, reduce the loss increase in the use, improve the life of shaft coupling, oil filler point 4 has been seted up on connecting pipe 3, seal cover 5 go up open have with oil filler point 4 assorted inlet port 6, inlet port 6 communicates with each other with oil filler point 4, be provided with sealing plug 7 in the inlet port 6, open on the spline housing 2 has oiling passageway 12, oiling passageway 12 communicates with oil filler point 4, take off sealing plug 7 when needs oiling, add lubricating oil through inlet port 6, lubricating oil passes through inlet port 6 in proper order, oil filler point 4, flow out from oiling passageway 12, lubricate spline housing 2 and spline shaft, reduce the loss that the spline shaft received in the use, improve life.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "upper", "lower", "inner", "outer", "left", "right", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in place when the inventive product is used, or are directions or positional relationships conventionally understood by those skilled in the art, are merely for convenience of describing the present utility model and for simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance. In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, terms such as "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances. In this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a list of elements is included, and may include other elements not expressly listed.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a high life cross universal joint, includes the universal joint body, the universal joint body includes the spline housing, the inside of spline housing is equipped with the integral key shaft, the outside cover of integral key shaft is equipped with the connecting pipe, its characterized in that, the oil filler point has been seted up on the connecting pipe, the outside of connecting pipe is provided with the seal cover, both ends are installed through first fixing bolt about the seal cover on the lateral wall of connecting pipe, the seal cover with one side that the connecting pipe contacted is provided with the sealing washer, the inboard of sealing washer with connecting pipe in close contact, open on the seal cover have with oil filler point assorted inlet port, inlet port and oil filler point communicate each other, be provided with the sealing plug in the inlet port, open on the spline housing has the oiling passageway, the oiling passageway with the oil filler point communicates.
2. The long-life cross universal coupling according to claim 1, wherein two ends of the universal coupling body are connected with fixed fork heads, a cross is arranged in each fixed fork head, the fixed fork heads are connected with a cross shaft, and flange fork heads are further arranged on the cross shafts.
3. The high life cross universal joint according to claim 1, wherein the sealing sleeve is of a cylindrical hollow structure, and the side wall of the sealing sleeve is provided with a screw hole for accommodating the first fixing bolt.
4. The long life cross universal coupling according to claim 2, wherein said fixed fork is provided with a screw hole for receiving a second fixing bolt, and the second fixing screw passes through the screw hole to connect the fixed fork with said connection pipe.
5. The high life cross universal joint of claim 1, wherein the inner side wall of the sealing sleeve is provided with two mounting grooves for accommodating sealing rings.
6. A long life cross-universal joint according to claim 1, wherein the top of the sealing plug is provided with a pull ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320252791.1U CN219692060U (en) | 2023-02-20 | 2023-02-20 | Cross universal coupling with long service life |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320252791.1U CN219692060U (en) | 2023-02-20 | 2023-02-20 | Cross universal coupling with long service life |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219692060U true CN219692060U (en) | 2023-09-15 |
Family
ID=87970197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320252791.1U Active CN219692060U (en) | 2023-02-20 | 2023-02-20 | Cross universal coupling with long service life |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219692060U (en) |
-
2023
- 2023-02-20 CN CN202320252791.1U patent/CN219692060U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |