CN215409833U - Ultra-short universal coupling for special oil supply - Google Patents
Ultra-short universal coupling for special oil supply Download PDFInfo
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- CN215409833U CN215409833U CN202121443044.3U CN202121443044U CN215409833U CN 215409833 U CN215409833 U CN 215409833U CN 202121443044 U CN202121443044 U CN 202121443044U CN 215409833 U CN215409833 U CN 215409833U
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Abstract
The utility model provides a special oil supply ultra-short universal coupling which can be connected with a shaft piece. The super short universal coupling of special fuel feeding includes: two cross bearings, a duplex yoke and two flange yokes. The duplex fork is connected with the two flange forks through the cross bearing. The utility model provides a special oil supply ultrashort universal coupling, which realizes the lubrication of a bearing by arranging an oil filling hole in a bearing mounting hole. The oil supply of the cross bearing is extremely simple and reliable, the service life of the cross bearing is greatly prolonged, and safe and reliable operation of equipment such as petroleum and metallurgy is ensured.
Description
Technical Field
The utility model is used for occasions with limited installation space, frequent forward and reverse rotation starting and severe working environment, and is suitable for industries of petroleum drilling, metal metallurgy and the like. The utility model particularly relates to a special oil supply ultrashort universal coupling.
Background
After the shaft coupling and the universal joint fork in the prior art are assembled with the cross bearing and the other fork head, oil supply of the oil nozzle is difficult due to shielding of the cross bearing and the other fork head. Therefore, the cross bearing cannot play a role in timely lubrication, is easy to wear when in use and has short service life.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a special oil supply ultrashort universal coupling, which realizes the lubrication of a bearing by arranging an oil filling hole in a bearing mounting hole. The oil supply of the cross bearing is extremely simple and reliable, the service life of the cross bearing is greatly prolonged, and safe and reliable operation of equipment such as petroleum and metallurgy is ensured.
The utility model provides a special oil supply ultra-short universal coupling which can be connected with a shaft piece. The super short universal coupling of special fuel feeding includes:
two cross bearings having a first vertical direction and a second vertical direction perpendicular to each other. The cross bearing has two first bearing ends in a first vertical direction. A first supporting distance is formed between the two first bearing ends.
The cross bearing has two second bearing ends in a second vertical direction. And a second supporting distance is formed between the two second bearing ends.
A bifurcating fork having a first direction of extension. The duplex fork comprises a first connecting end and a second connecting end which are opposite along the first extending direction. The duplex fork forms two duplex fork oil filler points on its periphery face. The duplex fork oil filling hole is positioned between the first connecting end and the second connecting end. Two pair fork oil filler point are along the relative setting of periphery and the trompil direction perpendicular to first extending direction of pair fork oil filler point.
And the two groups of bulges are respectively and integrally formed on the first connecting end and the second connecting end. Each of the two sets of projections includes a pair of projections. The projecting directions of the pair of projecting portions are parallel to each other. The protruding direction is parallel to the first extending direction. The pair of bulges are oppositely arranged and are respectively adjacent to the duplex fork oil injection hole. A first spacing is provided between the pair of projections.
A first through hole is formed in each of the pair of projections. The first through holes of the pair of projections are coaxial. The extending direction of the first through hole is perpendicular to the first extending direction. The first distance corresponds to the first supporting distance, so that the two first bearing ends can be respectively arranged in the two first through holes.
The two first through holes of the first connecting end are respectively communicated with the two adjacent duplex fork oil holes to form two first connecting end oil holes. The orifice of the oil filling hole of the first connecting end is formed on the hole wall of the first through hole of the first connecting end. A first annular oil groove is formed in the hole wall of the first through hole; the annular oil groove is communicated with the orifice of the first connecting end oil filling hole.
Two first through holes of the second connecting end are communicated with the two adjacent duplex fork oil injection holes respectively to form two second connecting end oil injection holes. The orifice of the second connecting end oil injection hole is formed on the hole wall of the first through hole of the second connecting end. A first annular oil groove is formed in the hole wall of the first through hole; and the annular oil groove is communicated with the orifice of the second connecting end oil filling hole.
Two flange yokes each comprising:
and the flange plate can be used for connecting the shaft piece and is provided with a disk surface.
And a pair of flange protrusions integrally formed with the flange plate and protruding from the disk surface. The protruding directions of the pair of flange protruding pieces are parallel to each other. The convex direction is vertical to the disk surface. The pair of flange protrusions are opposed and have a second spacing therebetween to enable the pair of flange protrusions to be positioned in the space between the pair of protrusions. A second through hole is formed in each of the pair of flange bosses. The second through holes of the pair of flange protrusions are coaxial. The extending direction of the second through hole is parallel to the disk surface. The second distance corresponds to the second supporting distance, so that the two second bearing ends can be respectively arranged in the two second through holes.
The two flange yokes can be connected by their flange projections to the two second bearing ends of the cross bearing, respectively. Two first bearing ends of the cross bearing can be respectively connected with a first connecting end and a second connecting end of the double yoke.
In another preferred embodiment of the ultra-short universal coupling with special oil supply of the present invention, the flange protrusion has two flange oil injection holes formed on an outer circumferential surface thereof; the two flange oil injection holes are respectively and correspondingly communicated with the second through holes; and the orifice of the flange oil filling hole is formed on the hole wall of the second through hole. A second annular oil groove is formed in the hole wall of the second through hole; and the second annular oil groove is communicated with the orifice of the flange oil filling hole.
In another preferred embodiment of the ultra-short universal coupling with special oil supply of the present invention, the extending direction of the oil injection holes at the two first connecting ends and the opening direction of the oil injection hole position of the duplex fork form an included angle smaller than 90 °.
In another preferred embodiment of the ultra-short universal coupling with special oil supply of the present invention, the extending direction of the oil injection holes at the two second connecting ends and the opening direction of the oil injection hole position of the duplex fork form an included angle smaller than 90 °.
In another preferred embodiment of the ultra-short universal coupling with special oil supply of the present invention, the coupling further comprises: a first circlip. A first clamp spring is arranged in any one first through hole and can abut against the first bearing end, so that the first bearing end is fixed in the first through hole.
In another preferred embodiment of the ultra-short universal coupling with special oil supply of the present invention, the coupling further comprises: four first circlips. The two first snap springs are respectively arranged in the two first through holes of the first connecting end and can respectively abut against the corresponding first bearing ends, so that the first bearing ends are fixed in the two first through holes of the first connecting end.
The two first clamp springs are respectively arranged in the two first through holes of the second connecting end and can respectively abut against the corresponding first bearing ends, so that the first bearing ends are fixed in the two first through holes of the second connecting end.
In another preferred embodiment of the ultra-short universal coupling with special oil supply of the present invention, the coupling further comprises: a second circlip. And the second clamp spring is arranged in any one second through hole and can abut against the second bearing end, so that the second bearing end is fixed in the second through hole.
In another preferred embodiment of the ultra-short universal coupling with special oil supply of the present invention, the coupling further comprises: and four second clamp springs. The two second clamp springs are respectively arranged in the two second through holes of the adjacent first connecting ends and can respectively abut against the corresponding second bearing ends, so that the second bearing ends are fixed in the two second through holes of the second connecting ends.
The two second clamp springs are respectively arranged in the two second through holes of the adjacent second connecting ends and can respectively abut against the corresponding second bearing ends, so that the second bearing ends are fixed in the two second through holes of the second connecting ends.
In another preferred embodiment of the ultra-short universal coupling with special oil supply of the present invention, the universal coupling further comprises a plurality of oil nozzles. The plurality of oil nozzles can be respectively assembled and plugged in orifices of the duplex fork oil injection hole and the flange oil injection hole.
In another preferred embodiment of the ultra-short universal coupling with special oil supply of the present invention, the universal coupling further comprises a plurality of oil nozzle covers. And the plurality of oil nozzle covers can be assembled and connected on the direction of the oil nozzle departing from the duplex fork respectively. The tip shroud has a cavity. The concave cavity can seal the part of the oil nozzle, which deviates from the direction of the double-yoke.
The technical features and advantages of the ultra-short universal coupling with special oil supply and the implementation thereof will be further described in a clear and understandable manner by combining with the accompanying drawings.
Drawings
Fig. 1 is a schematic diagram illustrating a disassembled structure of a special oil supply ultra-short universal coupling according to an embodiment of the present invention.
Fig. 2 is a schematic view for explaining a structure of a horizontal cross section in fig. 1.
Fig. 3 is a schematic view for explaining a structure of a vertical cross section in fig. 1.
Fig. 4 is a schematic diagram for explaining the relative positions of the duplex fork and the two flange forks.
Fig. 5 is a schematic diagram for explaining the structure of the cross bearing.
Detailed Description
In order to more clearly understand the technical features, objects and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings, wherein the same reference numerals in the drawings refer to the same or similar structural or functional components.
"exemplary" means "serving as an example, instance, or illustration" herein, and any illustration, embodiment, or steps described as "exemplary" herein should not be construed as a preferred or advantageous alternative. For the sake of simplicity, the drawings only schematically show the parts relevant to the present exemplary embodiment, and they do not represent the actual structure and the true scale of the product.
The utility model provides a special oil supply ultra-short universal coupling which can be connected with a shaft piece. As shown in fig. 1 and 2, the ultra-short universal coupling with special oil supply includes:
as shown in fig. 1 and 2, two cross bearings 11, 12, the cross bearing 11 (or 12) having a first vertical direction 13 and a second vertical direction 14 perpendicular to each other. The cross bearing has two first bearing ends 21, 22 in the first vertical direction 13. A first supporting distance is provided between the two first bearing ends 21, 22. The cross bearing has two second bearing ends 31, 32 in the second vertical direction 14. A first supporting distance is provided between the two second bearing ends 31, 32.
As shown in fig. 1 and 2, a bifurcating fork 41 has a first direction of extension 42. The bifurcating fork 41 includes a first connecting end 43 and a second connecting end 44 opposite to each other along the first extending direction 42. The duplex fork 41 has two duplex fork oil holes 45, 46 formed in its outer circumferential surface. The duplex fork grease holes 45, 46 are located between the first link end 43 and the second link end 44. The two duplex fork oil holes 45, 46 are arranged opposite to each other in the outer circumferential direction, and the opening direction of the duplex fork oil holes 45, 46 is perpendicular to the first extending direction 42.
As shown in fig. 1 and 2, two sets of protrusions 51 and 52 are integrally formed on the first connection end 43 and the second connection end 44, respectively. Each of the two sets of projections 51, 52 includes a pair of projections 53, 54 (the projection 51 is taken as an example). The projecting directions 55 of the pair of projecting portions 53, 54 are parallel to each other. The projecting direction 55 is parallel to the first extension direction 42. A pair of projections 53, 54 are oppositely disposed and are disposed adjacent the dual fork oil holes 45, 46, respectively. A first spacing is provided between a pair of projections 53, 54.
As shown in fig. 1 and 2, a first through hole 56, 57 is formed in each of the pair of projections 53, 54. The first through holes 56, 57 of the pair of projections 53, 54 are coaxial. The direction of extension of the first through holes 56, 57 is perpendicular to the first direction of extension 42. The first distance corresponds to the first supporting distance, so that the two first bearing ends 21, 22 can be respectively arranged in the two first through holes 56, 57.
As shown in fig. 1 and 2, the two first through holes 56 and 57 of the first connection end 43 communicate with the adjacent duplex fork oil holes 45 and 46 to form two first connection end oil holes 431 and 432, respectively. The orifices of the first connection-end oil holes 431, 432 are formed in the hole walls of the first through holes 56, 57 of the first connection end 43. A first annular oil groove 91 is formed in the wall of the first through hole. The annular oil groove is communicated with the orifice of the first connecting end oil filling hole.
As shown in fig. 1 and 2, the two first through holes 56, 57 of the second link end 44 communicate with the adjacent duplex fork oil holes 45, 46, respectively, to form two second link end oil holes 441, 442. The orifices of the second link oil holes 441, 442 are formed in the hole walls of the first through holes 56, 57 of the second link 44. A first annular oil groove 91 is formed in the hole wall of the first through hole; and the annular oil groove is communicated with the orifice of the second connecting end oil filling hole.
Two flange yokes 61, 62, each comprising:
a flange capable of connecting the shaft has a disk face 63. A pair of flange projections 64, 65 are integrally formed with the flange and project from the disk face 63. The projecting directions of the pair of flange projecting pieces 64, 65 are parallel to each other. The direction of the protrusion is perpendicular to the disk surface 63. The pair of flange protrusions 64, 65 are opposed with a second spacing therebetween to enable the pair of flange protrusions 64, 65 to be positioned at the gap between the pair of projections 53, 54. As shown in fig. 4, the position of the duplex fork 41 relative to the two flange forks 61, 62.
As shown in fig. 1 and 2, a second through hole 66, 67 is formed in each of the pair of flange bosses 64, 65. The second through holes 66, 67 of the pair of flange bosses 64, 65 are coaxial. The second through-hole extends in a direction parallel to the disk surface 63. The second distance corresponds to the second supporting distance, so that the two second bearing ends 31, 32 can be respectively arranged in the two second through holes 66, 67.
As shown in fig. 1 and 2, the two flange yokes 61, 62 can be connected to the two second bearing ends 31, 32 of the cross bearing by means of their flange projections 64 and 65, respectively. The two first bearing ends 21, 22 of the cross bearing can be connected to a first connection end 43 and a second connection end 44 of the double yoke 41, respectively.
When the universal coupling is assembled and used for a certain time, the cross bearing is required to be oiled. And (3) uncovering the oil nozzle cover, aligning the oil gun with the oil nozzle 81 in sequence, injecting the molybdenum disulfide lithium base grease until the oil nozzle is filled with the molybdenum disulfide lithium base grease, and covering the oil nozzle cover. As shown in fig. 5, in the duplex fork, the lithium molybdenum disulfide grease reaches a closed space formed by a cross shaft 4-1, a shaft bowl 4-2, a roller pin 4-3 and an oil seal 4-4 of the cross bearing 4 along a nozzle tip, an inclined oil hole (oil injection hole) B, an oil groove D and an oil hole C, and plays a role in sufficient lubrication; similarly, in the flange yoke, the lithium molybdenum disulfide base grease reaches a sealed space formed by a cross shaft (4-1), a shaft bowl (4-2), a roller pin (4-3) and an oil seal (4-4) of the cross bearing (4) along an oil nozzle, an oil groove and an oil hole flange oil injection hole, and plays a role in sufficient lubrication.
The special oil supply ultrashort universal coupling is characterized in that two flange forks (1) and a duplex fork (2) are assembled with two cross bearings (4), and the axial movement of the cross bearings (4) is limited by a clamp spring (3). The center distance of the duplex fork (2) can be ultrashort, so that the mounting distance L of the universal coupling can be ultrashort, the mounting space of equipment for petroleum drilling, metal metallurgy and the like is smaller, the equipment structure is compact, and the cost is saved.
Compared with the prior art, the utility model has the following advantages:
1. all the oil nozzles are arranged on the periphery of the universal coupling, so that oil filling is extremely simple and quick, the cross bearing can be fully lubricated, the defect that oil filling is difficult in the prior art is overcome, and equipment such as oil drilling and production, metal metallurgy and the like is prevented from being frequently maintained.
2. The machining process of the oil hole is simple and effective, the defect that the oil hole is not easy to machine in the prior art is overcome, and the machining efficiency is improved.
In another preferred embodiment of a special oil-fed ultra-short universal joint according to the present invention, as shown in fig. 2 and 3, the flange protrusions 64, 65 are formed with two flange oil holes 68, 69 on the outer circumferential surface thereof. The two flange oil injection holes 68 and 69 are respectively communicated with the second through holes correspondingly. The orifices of the flange oil holes 68, 69 are formed in the hole walls of the second through holes 66, 67. A second annular oil groove 92 is formed in the hole wall of the second through hole; and the second annular oil groove is communicated with the orifice of the flange oil filling hole.
In another preferred embodiment of the ultra-short universal coupling with special oil supply of the present invention, the extending direction of the two first-connection-end oil holes 431 and 432 and the opening direction of the duplex fork oil holes 45 and 46 form an angle smaller than 90 °. Provides a sufficient oil storage space and prevents the overflow of the lubricating oil.
In still another preferred embodiment of the ultra-short universal joint coupling with special oil supply of the present invention, the extending direction of the two second connecting end oil injection holes 441, 442 forms an angle of less than 90 ° with the opening direction of the duplex fork oil injection holes 45, 46. Provides a sufficient oil storage space and prevents the overflow of the lubricating oil.
In another preferred embodiment of the ultra-short universal coupling with special oil supply of the present invention, the coupling further comprises: a first circlip 71. A first circlip 71 is disposed in any one of the first through holes 56, 57 and is capable of abutting against the first bearing end so that the first bearing end is fixed in the first through hole 56, 57.
In another preferred embodiment of the ultra-short universal coupling with special oil supply of the present invention, the coupling further comprises: four first circlips 71. The two first snap springs 71 are respectively disposed in the two first through holes 56 and 57 of the first connection end 43 and can respectively abut against the corresponding first bearing ends, so that the first bearing ends are fixed in the two first through holes 56 and 57 of the first connection end 43.
The two first snap springs 71 are respectively disposed in the two first through holes 56, 57 of the second connection end 44 and can respectively abut against the corresponding first bearing ends 21, 22, so that the first bearing ends 21, 22 are fixed in the two first through holes 56, 57 of the second connection end 44. Thereby facilitating the fixation of the cross bearing.
In another preferred embodiment of the ultra-short universal coupling with special oil supply of the present invention, the coupling further comprises: a second circlip 72. A second circlip 72 is disposed in any one of the second through holes and can abut against the second bearing end, so that the second bearing end is fixed in the second through hole. Thereby facilitating the fixation of the cross bearing.
In another preferred embodiment of the ultra-short universal coupling with special oil supply of the present invention, the coupling further comprises: four second circlips 72. The two second snap springs 72 are respectively disposed in the two second through holes 66 and 67 of the adjacent first connection end 43 and can respectively abut against the corresponding second bearing ends, so that the second bearing ends are fixed in the two second through holes 66 and 67 of the second connection end 44. Thereby facilitating the fixation of the cross bearing.
The two second snap springs 72 are respectively disposed in the two second through holes 66 and 67 of the adjacent second connecting ends 44 and can respectively abut against the corresponding second bearing ends, so that the second bearing ends are fixed in the two second through holes 66 and 67 of the second connecting ends 44. Thereby facilitating the fixation of the cross bearing.
In another preferred embodiment of the ultra-short universal coupling with special oil supply of the present invention, a plurality of oil nozzles 81 are further included. The plurality of oil nozzles 81 can be respectively assembled and plugged in the orifices of the duplex fork oil injection holes 45 and 46 and the flange oil injection holes 68 and 69. Thereby facilitating the injection of the lubricating oil.
In another preferred embodiment of the ultra-short universal coupling with special oil supply of the present invention, a plurality of oil nozzle covers 82 are further included. A plurality of nozzle covers 82 are fittingly attached to the nozzles 81 in directions away from the yoke 41. The tip shroud 82 has a cavity. The cavity can seal the portion of the oil nipple 81 facing away from the duplex fork 41. Thereby facilitating the dust prevention of the oil nipple.
It should be understood that although the present description is described in terms of various embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and those skilled in the art will recognize that the embodiments described herein as a whole may be suitably combined to form other embodiments as will be appreciated by those skilled in the art.
The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.
Claims (10)
1. A special oil supply ultra-short universal coupling can be connected with a shaft piece; it is characterized in that, the ultrashort universal coupling of special fuel feeding includes:
two cross bearings having a first vertical direction and a second vertical direction perpendicular to each other; the cross bearing has two first bearing ends in the first vertical direction; a first supporting distance is formed between the two first bearing ends; the cross bearing has two second bearing ends in the second vertical direction; a second supporting distance is formed between the two second bearing ends;
a duplex fork having a first direction of extension; the duplex fork comprises a first connecting end and a second connecting end which are opposite along the first extending direction; two duplex fork oil injection holes are formed in the outer circumferential surface of the duplex fork; the duplex fork oil filling hole is positioned between the first connecting end and the second connecting end; the two duplex fork oil injection holes are oppositely arranged along the outer circumferential direction, and the opening direction of the duplex fork oil injection holes is vertical to the first extending direction;
two sets of bulges which are respectively and integrally formed on the first connecting end and the second connecting end; each of the two sets of projections comprises a pair of projections; the projecting directions of the pair of projecting portions are parallel to each other; the projecting direction is parallel to the first extending direction; the pair of bulges are oppositely arranged and are respectively arranged adjacent to the duplex fork oil injection hole; the pair of projections having a first spacing therebetween;
forming a first through hole in each of the pair of projections; the first through holes of the pair of projections are coaxial; the extending direction of the first through hole is perpendicular to the first extending direction; the first distance corresponds to the first supporting distance, so that the two first bearing ends can be respectively arranged in the two first through holes;
the two first through holes of the first connecting end are respectively communicated with the two adjacent duplex fork oil injection holes to form two first connecting end oil injection holes; the orifice of the oil hole of the first connecting end is formed on the hole wall of the first through hole of the first connecting end; a first annular oil groove is formed in the hole wall of the first through hole; the annular oil groove is communicated with the orifice of the first connecting end oil filling hole;
two first through holes of the second connecting end are respectively communicated with the two adjacent duplex fork oil injection holes to form two second connecting end oil injection holes; the orifices of the second connecting end oil injection hole are formed on the hole walls of the two first through holes on the second connecting end; the annular oil groove is communicated with the orifice of the second connecting end oil injection hole;
two flange yokes each comprising:
a flange plate capable of being connected with the shaft member and having a plate surface;
a pair of flange protrusions integrally formed with the flange plate and protruding from the disk surface; the protruding directions of the pair of flange protruding pieces are parallel to each other; the protruding direction is vertical to the disc surface; the pair of flange protrusions are opposite and have a second distance between the pair of flange protrusions, so that the pair of flange protrusions can be located at the gap between the pair of protrusions; forming a second through hole on each of the pair of flange protrusions; the second through holes of the pair of flange protruding pieces are coaxial; the extending direction of the second through hole is parallel to the disc surface; the second distance corresponds to the second supporting distance, so that the two second bearing ends can be respectively arranged in the two second through holes;
the two flange yokes can be respectively connected with two second bearing ends of the cross bearing through flange convex pieces of the two flange yokes; two first bearing ends of the cross bearing can be respectively connected with a first connecting end and a second connecting end of the double yoke.
2. The ultra-short universal coupling with special oil supply as claimed in claim 1, wherein said flange protrusion member is formed with two flange oil injection holes on its outer circumferential surface; the two flange oil injection holes are respectively and correspondingly communicated with the second through holes; the orifice of the flange oil filling hole is formed on the hole wall of the second through hole; a second annular oil groove is formed in the hole wall of the second through hole; and the second annular oil groove is communicated with the orifice of the flange oil filling hole.
3. The ultra-short universal coupling with special oil supply as claimed in claim 1, wherein the extending direction of the oil holes at the two first connecting ends forms an included angle of less than 90 ° with the opening direction of the oil hole sites of the dual yoke.
4. The ultra-short universal coupling with special oil supply as claimed in claim 3, wherein the extending direction of the oil injection holes at the two second connecting ends forms an included angle smaller than 90 ° with the opening direction of the oil injection hole position of the dual yoke.
5. The special oil feed ultra short universal joint of claim 1, further comprising: a first clamp spring; the first clamp spring is arranged in any one of the first through holes and can abut against the first bearing end, so that the first bearing end is fixed in the first through hole.
6. The special oil feed ultra short universal joint of claim 1, further comprising: four first snap springs; the two first snap springs are respectively arranged in the two first through holes of the first connecting end and can respectively abut against the corresponding first bearing ends, so that the first bearing ends are fixed in the two first through holes of the first connecting end;
the other two first clamp springs are respectively arranged in the two first through holes of the second connecting end and can respectively abut against the corresponding first bearing ends, so that the first bearing ends are fixed in the two first through holes of the second connecting end.
7. The special oil feed ultra short universal joint of claim 1, further comprising: a second clamp spring; the second clamp spring is arranged in any one of the second through holes and can abut against the second bearing end, so that the second bearing end is fixed in the second through hole.
8. The special oil feed ultra short universal joint of claim 1, further comprising: four second clamp springs; the two second clamp springs are respectively arranged in two second through holes which can be adjacent to the first connecting end and can respectively abut against the corresponding second bearing ends, so that the second bearing ends are fixed in the two second through holes of the second connecting end;
the other two second clamp springs are respectively arranged in the two second through holes which can be adjacent to the second connecting ends and can respectively abut against the corresponding second bearing ends, so that the second bearing ends are fixed in the two second through holes of the second connecting ends.
9. The special oil feed ultrashort universal coupling of claim 2 further comprising a plurality of oil nipples; the plurality of oil nozzles can be respectively assembled and plugged in the orifices of the duplex fork oil injection hole and the flange oil injection hole.
10. The special oil feed ultrashort universal coupling of claim 9 further comprising a plurality of tip caps; the plurality of oil nozzle covers can be respectively assembled and connected to the direction of the oil nozzle departing from the duplex fork;
the oil nozzle cover is provided with a concave cavity; the cavity can seal a part of the oil nozzle, which is far away from the direction of the duplex fork.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2020218566363 | 2020-08-31 | ||
| CN202021856636 | 2020-08-31 |
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| Publication Number | Publication Date |
|---|---|
| CN215409833U true CN215409833U (en) | 2022-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121443044.3U Active CN215409833U (en) | 2020-08-31 | 2021-06-28 | Ultra-short universal coupling for special oil supply |
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| Country | Link |
|---|---|
| CN (1) | CN215409833U (en) |
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2021
- 2021-06-28 CN CN202121443044.3U patent/CN215409833U/en active Active
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