CN112555391A - Easily-detachable power takeoff and transmission combination - Google Patents
Easily-detachable power takeoff and transmission combination Download PDFInfo
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- CN112555391A CN112555391A CN202011223575.1A CN202011223575A CN112555391A CN 112555391 A CN112555391 A CN 112555391A CN 202011223575 A CN202011223575 A CN 202011223575A CN 112555391 A CN112555391 A CN 112555391A
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- shell
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- groove
- mounting hole
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 71
- 238000007789 sealing Methods 0.000 claims abstract description 60
- 239000002184 metal Substances 0.000 claims abstract description 43
- 238000000576 coating method Methods 0.000 claims abstract description 27
- 239000011248 coating agent Substances 0.000 claims abstract description 23
- 239000002131 composite material Substances 0.000 claims description 5
- 239000010687 lubricating oil Substances 0.000 abstract description 8
- 239000003921 oil Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 4
- 238000003754 machining Methods 0.000 description 4
- 239000003292 glue Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/029—Gearboxes; Mounting gearing therein characterised by means for sealing the gearboxes, e.g. to improve airtightness
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
- F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
- F16B35/041—Specially-shaped shafts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B43/00—Washers or equivalent devices; Other devices for supporting bolt-heads or nuts
- F16B43/001—Washers or equivalent devices; Other devices for supporting bolt-heads or nuts for sealing or insulation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02026—Connection of auxiliaries with a gear case; Mounting of auxiliaries on the gearbox
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention particularly relates to an easily-detachable power takeoff transmission combination, which aims to solve the problem of oil leakage of a shell joint surface of the existing power takeoff transmission combination due to the existence of a gap between a stud or a bolt and a mounting hole, and the pre-glued stud or bolt is not easy to detach and cannot be used for a second time when the transmission or the power takeoff is maintained. The power takeoff device comprises a transmission and a power takeoff device arranged at the front end of the transmission, wherein the transmission shell and the power takeoff device shell are in sealing connection through a plurality of groups of sealing connection structures, and each sealing connection structure comprises a shell connecting piece with a circular metal sheet in the middle, a locking nut, a sealing coating arranged on one surface or two surfaces of the circular metal sheet, a first mounting hole and a first groove which are arranged on the transmission shell, and a second mounting hole and a second groove which are arranged on the power takeoff device shell. The sealing coating has certain ductility, and can play a good role in sealing lubricating oil in the shell after being compressed.
Description
Technical Field
The invention relates to a power takeoff transmission combination, in particular to an easily detachable power takeoff transmission combination.
Background
The front power takeoff and the full-power takeoff are mechanical devices arranged at the front end of a transmission, an input shaft of the front power takeoff and the full-power takeoff transmits the torque of an engine to the rear transmission, power split is mainly realized through the internal structure of the power takeoff, and the power output of the power takeoff is not influenced by the combination and separation of a clutch. Due to the special use of the front power takeoff and the full-power takeoff, the front power takeoff and the full-power takeoff must be installed between a transmission shell and a clutch shell, and the power takeoff shell and the transmission shell are inevitably assembled by matching of studs or bolts, gaskets and nuts. Limited by space structure, the shell of the prior front power takeoff and the shell of the full-power takeoff are all provided with mounting holes corresponding to the shell of the transmission, and the mounting holes are smooth through holes, and enough gaps need to be left between the hole diameter and the connecting bolts, so that the bolts or the studs can be conveniently inserted and then screwed down by nuts. Because lubricating oil is filled in the transmission and the power takeoff, bolts or studs screwed into the through holes of the internal threads of the transmission shell are pre-glued and sealed, and the joint surface of the power takeoff shell and the transmission shell is also sealed by adopting a conventional sealing gasket. Because the matching degree between the sealing gasket and the joint surface is not high, a gap exists between a bolt through hole and a stud or a bolt on the joint surface of the power takeoff and the transmission shell, the joint surface sealing gasket is easy to have the fault problems of oil leakage and the like after being soaked by lubricating oil for a long time, and the pre-glued stud or bolt is not easy to disassemble and can not be used for a second time when the transmission or the power takeoff is maintained.
Disclosure of Invention
The invention aims to solve the problem of oil leakage of a joint surface of a shell of the traditional power takeoff transmission combination due to the existence of a gap between a stud or a bolt and a mounting hole, and the pre-glued stud or bolt is not easy to disassemble and cannot be used for the second time when the transmission or the power takeoff is maintained.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides an easy power takeoff derailleur combination of dismantling, includes the derailleur and installs the power takeoff at the derailleur front end, and derailleur casing and power takeoff casing carry out sealing connection through multiunit sealing connection structure, and its special character lies in:
the sealing connection structure comprises a shell connecting piece 3 with a circular metal sheet 31 in the middle, a sealing coating 4 which is arranged on one surface or two surfaces of the circular metal sheet 31 and has certain ductility, a first mounting hole 12 which is arranged on the transmission shell 1 and has internal threads, a first groove 11 which is arranged on the transmission shell joint surface and is coaxial with the first mounting hole 12, a second mounting hole 22 which is arranged on the power takeoff shell 2, a second groove 21 which is arranged on the power takeoff shell joint surface and is coaxial with the second mounting hole 22, and a locking nut 6;
the first grooves 11 correspond to the second grooves 21 in one-to-one correspondence, and the number of the first grooves 11 is equal to that of the second grooves 21, and the first grooves 11 and the second grooves 21 are both circular grooves which are matched with the diameter of the circular metal sheet 31;
one end of the shell connecting piece 3 is a short stud with external threads, and the other end of the shell connecting piece is a long stud with external threads;
the short stud is screwed into the first mounting hole 12, and the circular metal sheet 31 is partially embedded into the first groove 11;
the long stud sequentially passes through the second groove 21 and the second mounting hole 22 and then is screwed with the locking nut 6, and the rest part of the round metal sheet 31 is embedded into the second groove 21.
Further, the roughness of the bottom surfaces of the first groove 11 and the second groove 21 is not lower than 3.2, so as to ensure the precise fit with the circular metal sheet 31 of the shell connecting piece 3.
Further, in order to achieve a better sealing effect, the sealing connection structure further comprises a casing gasket 5 arranged between the joint surface of the transmission casing and the joint surface of the power takeoff casing.
Further, the sealing connection structure further comprises a flat washer 7 which is sleeved on the long stud and is positioned between the inner side surface of the power takeoff shell 2 and the locking nut 6.
Furthermore, the sealing coating 4 is a foamed rubber composite coating, which can play a good sealing role and prevent the lubricating oil in the shell from flowing into the joint surface.
Meanwhile, the invention also provides another power takeoff and transmission combination easy to disassemble, which comprises a transmission and a power takeoff installed at the front end of the transmission, wherein the transmission shell 1 and the power takeoff shell 2 are hermetically connected through a plurality of groups of sealing connection structures, and the power takeoff and transmission combination is characterized in that:
the sealing connection structure comprises a shell connecting piece 3 with a circular metal sheet 31 in the middle, a sealing coating 4 which is arranged on one surface or two surfaces of the circular metal sheet 31 and has certain ductility, a first mounting hole 12 arranged on the transmission shell 1, a first groove 11 which is arranged on the transmission shell joint surface and is coaxial with the first mounting hole 12, a second mounting hole 22 arranged on the power takeoff shell 2, a second groove 21 which is arranged on the power takeoff shell joint surface and is coaxial with the second mounting hole 22, and a locking nut 6;
the first grooves 11 correspond to the second grooves 21 in one-to-one correspondence, and the number of the first grooves 11 is equal to that of the second grooves 21, and the first grooves 11 and the second grooves 21 are both circular grooves which are matched with the diameter of the circular metal sheet 31;
two ends of the shell connecting piece 3 are respectively provided with a stud with external threads with a certain length;
one end of the shell connecting piece 3 sequentially penetrates through the first groove 11 and the first mounting hole 12 and then is screwed with the locking nut 6, and the circular metal sheet 31 is partially embedded into the first groove 11;
the other end of the shell connecting piece 3 passes through the second groove 21 and the second mounting hole 22 in sequence and then is screwed with the lock nut 6, and the rest part of the round metal sheet 31 is embedded into the second groove 21.
Further, the roughness of the bottom surfaces of the first groove 11 and the second groove 21 is not lower than 3.2, so as to ensure the precise fit with the circular metal sheet 31 of the shell connecting piece 3.
Further, in order to achieve a better sealing effect, the sealing connection structure further comprises a casing gasket 5 arranged between the joint surface of the transmission casing and the joint surface of the power takeoff casing.
Furthermore, the sealing connection structure further comprises a flat washer 7 which is sleeved on the studs at two ends of the shell connecting piece 3 and is positioned between the inner side surface of the transmission shell 1 or the inner side surface of the power takeoff shell 2 and the locking nut.
Further, in order to effectively seal the lubricating oil flowing into the joint surface in the housing, the seal coating 4 is a foamed rubber composite coating.
The invention has the beneficial effects that:
1) the invention relates to an easily-detachable power takeoff and transmission combined shell connecting piece, wherein a round metal sheet with certain thickness and strength is arranged in the middle of the connecting piece, a sealing coating is arranged on the surface of the round metal sheet, one side of the round metal sheet with the sealing coating and a groove processing surface at a threaded through hole of a shell are connected and then pressed tightly through external threaded studs at two ends of the metal sheet, a flat washer and a nut, and the sealing coating has certain ductility, so that lubricating oil flowing into a joint surface in the shell can be effectively sealed, and the problem of oil leakage fault in the long-term use process of a conventional shell gasket is.
2) According to the power takeoff transmission combined shell easy to disassemble, only the circular groove needs to be formed in the shell joint surface, the groove machining precision is improved, the shell joint surface does not need to be subjected to large-area finish machining, a good sealing effect can be achieved, and the machining cost is saved.
3) When the power takeoff speed changer assembly easy to disassemble is assembled, the external thread stud of the shell connecting piece screwed into the shell of the speed changer can not be precoated with glue, so that the disassembly, the maintenance and the repair of the speed changer and the power takeoff are easier and more convenient.
Drawings
FIG. 1 is a schematic view of a sealed connection between a power take-off and a transmission housing according to the present invention;
FIG. 2 is a schematic diagram of a power take-off and transmission housing connection according to the present invention;
FIG. 3 is a schematic view of a circular groove on the power take-off casing junction surface of the present invention.
Description of reference numerals:
1-transmission housing, 11-first recess, 12-first mounting hole, 2-power take-off housing, 21-second recess, 22-second mounting hole, 3-housing connection, 31-round metal sheet, 4-sealing coating, 5-housing gasket, 6-lock nut, 7-plain washer.
Detailed Description
In order to more clearly explain the technical solution of the present invention, the following detailed description of the present invention is made with reference to the accompanying drawings and specific examples.
The invention relates to an easily-detachable power takeoff and transmission combination, which comprises a transmission and a power takeoff installed at the front end of the transmission, wherein a transmission shell 1 and a power takeoff shell 2 are in sealing connection through a plurality of groups of sealing connection structures, and each sealing connection structure is shown in figure 1 and comprises a shell connecting piece 3, a first mounting hole 12 arranged on the transmission shell 1, a first groove 11 arranged on a joint surface of the transmission shell, a second mounting hole 22 arranged on the power takeoff shell 2, a second groove 21 arranged on the joint surface of the power takeoff shell, a flat washer 7 and a locking nut 6, wherein the first mounting hole 12 and the first groove 11 are coaxially arranged, and the second mounting hole 22 and the second groove 21 are coaxially arranged.
As shown in fig. 2, the two ends of the housing connector 3 are studs with external threads of a certain length, the middle part is a circular metal sheet 31, the circular metal sheet 31 has a certain thickness and strength, and the size is designed according to the requirements of structural strength and the like of actual use conditions. According to the requirements of one-way or two-way sealing, a sealing coating 4 with a certain thickness is coated on one side or two sides of the circular metal sheet 31, the sealing coating 4 is made of sealing materials with certain ductility, such as foamed rubber composite materials and the like, and the material selection and the coating thickness of the sealing coating 4 can be determined according to actual use conditions, such as parameters considering the sealing pressure of the joint surfaces of the power takeoff and the transmission in actual work and the like.
The installation position of the shell joint surface corresponding to the round metal sheet 31 in the middle of the shell connecting piece 3 needs to be processed with a round groove, namely, a first groove 11 is processed on the transmission shell joint surface, a second groove 21 is processed on the power takeoff shell joint surface, and the structure of the round groove on the power takeoff shell joint surface is shown in fig. 3. When the first groove 11 and the second groove 21 are installed, the diameter and the thickness of the circular metal sheet 31 can be accommodated, the groove processing surface has higher roughness requirement, finish machining is needed, the surface roughness requirement is not lower than 3.2, and the circular metal sheet 31 of the shell connecting piece 3 is ensured to be precisely attached.
In this embodiment, the two ends of the case connection member 3 may be set to be a short stud with an external thread on one side, a long stud with an external thread on the other side, the first mounting hole 12 on the transmission case 1 is a threaded hole, the short stud is fixed through the threaded hole, a part of the circular metal sheet 31 is embedded into the first groove 11, the long stud is fixed through the lock nut 6 after passing through the second groove 21 and the second mounting hole 22, and the rest of the circular metal sheet 31 is embedded into the second groove 21.
In other embodiments, both ends of the housing connection member 3 may also be designed as long studs with external threads, wherein the studs at one end sequentially pass through the first groove 11 and the first mounting hole 12 and then are fixed on the transmission housing 1 through the lock nut 6, and the circular metal sheet 31 is partially embedded in the first groove 11; and the stud at the other end passes through the second groove 21 and the second mounting hole 22 in sequence and then is fixed on the power takeoff shell 2 through the locking nut 6, and the rest part of the round metal sheet 31 is embedded into the second groove 21.
The invention relates to an easily-detachable power takeoff and transmission combination, wherein the specific process of hermetically connecting a power takeoff shell 2 and a transmission shell 1 is as follows:
as shown in fig. 1, the two sides of the round metal sheet 31 are coated with the sealing coatings 4 according to actual use conditions, the short stud of the shell connecting piece 3 with the sealing coatings 4 is screwed into the internal thread hole of the transmission shell 1, the sealing coatings 4 on the side of the round metal sheet 31 are ensured to be tightly attached to the first groove 11 on the junction surface of the transmission shell, the long stud at the other end of the shell connecting piece 3 is inserted into the second mounting hole 22 of the power takeoff shell 2 corresponding to the mounting position, the flat washer 7 (standard component) is sleeved on the inner side of the power takeoff shell 2, and finally the locking nut 6 (standard component) is used for screwing and fixing, and the sealing coatings 4 on the side of the round metal sheet 31 of the shell connecting piece 3 are ensured to be tightly attached to the second groove 21. Because the inner cavity of the power takeoff shell 2 is not smooth enough and flat, and a certain gap exists between the inner cavity of the power takeoff shell and the flat gasket 7, the surface of the round metal sheet 31 of the shell connecting piece 3 is provided with the sealing coating 4, so that lubricating oil in the power takeoff can be effectively prevented from entering the shell joint surface after entering the gap between the inner cavity of the power takeoff shell and the flat gasket 7 and entering the gap between the shell connecting piece 3 and the mounting hole of the power takeoff shell 2, and lubricating oil seeped out from the thread gap in the transmission enters the shell joint surface, thereby playing a role of.
The shell sealing structure can realize one-way or two-way sealing, can select one-way or two-way sealing design according to the requirement of actual use working conditions, and can be matched with the shell gasket 5 of the shell joint surface to be used simultaneously, thereby achieving double sealing effect. Because the double-screw bolt at 3 both ends of this casing connecting piece does not take the precoating to glue, easy dismounting when the maintenance of power takeoff and derailleur, repeatedly usable saves manpower, material resources and financial resources.
The above description is only for the purpose of describing the preferred embodiments of the present invention and is not intended to limit the technical solutions of the present invention, and any known modifications made by those skilled in the art based on the main technical concepts of the present invention are within the technical scope of the present invention.
Claims (10)
1. The utility model provides an easy power takeoff derailleur combination of dismantling, includes the derailleur and installs the power takeoff at the derailleur front end, and transmission housing (1) and power takeoff casing (2) carry out sealing connection through multiunit sealing connection structure, its characterized in that:
the sealing connection structure comprises a shell connecting piece (3) with a round metal sheet (31) in the middle, a sealing coating (4) which is arranged on one side or two sides of the round metal sheet (31) and has certain ductility, a first mounting hole (12) which is arranged on the transmission shell (1) and has internal threads, a first groove (11) which is arranged on the joint surface of the transmission shell and is coaxial with the first mounting hole (12), a second mounting hole (22) which is arranged on the power takeoff shell (2), a second groove (21) which is arranged on the joint surface of the power takeoff shell and is coaxial with the second mounting hole (22), and a locking nut (6);
the first grooves (11) correspond to the second grooves (21) in position one to one, and the number of the first grooves is equal to that of the second grooves (21), and the first grooves (11) and the second grooves (21) are circular grooves and are matched with the diameter of the circular metal sheet (31);
one end of the shell connecting piece (3) is a short stud with external threads, and the other end of the shell connecting piece is a long stud with external threads;
the short stud is screwed into the first mounting hole (12), and the circular metal sheet (31) is partially embedded into the first groove (11);
the long stud penetrates through the second groove (21) and the second mounting hole (22) in sequence and then is screwed with the locking nut (6), and the rest part of the circular metal sheet (31) is embedded into the second groove (21).
2. The easy to disassemble power take-off transmission combination as claimed in claim 1, wherein: the roughness of the bottom surfaces of the first groove (11) and the second groove (21) is not less than 3.2.
3. The easy to disassemble power take-off transmission combination as claimed in claim 2, wherein: the sealing connection structure further comprises a shell gasket (5) arranged between the junction surface of the transmission shell and the junction surface of the power takeoff shell.
4. An easily removable power take-off transmission combination as claimed in claim 1 or 2 or 3 wherein: the sealing connection structure further comprises a flat washer (7) which is sleeved on the long stud and is positioned between the inner side surface of the power takeoff shell (2) and the locking nut (6).
5. The easy to disassemble power take-off transmission combination as claimed in claim 4, wherein: the sealing coating (4) is a foamed rubber composite coating.
6. The utility model provides an easy power takeoff derailleur combination of dismantling, includes the derailleur and installs the power takeoff at the derailleur front end, transmission housing (1) and power takeoff casing (2) carry out sealing connection through multiunit sealing connection structure, its characterized in that:
the sealing connection structure comprises a shell connecting piece (3) with a round metal sheet (31) in the middle, a sealing coating (4) which is arranged on one side or two sides of the round metal sheet (31) and has certain ductility, a first mounting hole (12) arranged on the transmission shell (1), a first groove (11) which is arranged on the transmission shell joint surface and is coaxial with the first mounting hole (12), a second mounting hole (22) arranged on the power takeoff shell (2), a second groove (21) which is arranged on the power takeoff shell joint surface and is coaxial with the second mounting hole (22), and a locking nut (6);
the first grooves (11) correspond to the second grooves (21) in position one to one, and the number of the first grooves is equal to that of the second grooves (21), and the first grooves (11) and the second grooves (21) are circular grooves and are matched with the diameter of the circular metal sheet (31);
two ends of the shell connecting piece (3) are respectively provided with a stud with a certain length of external thread;
one end of the shell connecting piece (3) penetrates through the first groove (11) and the first mounting hole (12) in sequence and then is screwed with the locking nut (6), and the circular metal sheet (31) is partially embedded into the first groove (11);
the other end of the shell connecting piece (3) penetrates through the second groove (21) and the second mounting hole (22) in sequence and then is screwed with the locking nut (6), and the rest part of the circular metal sheet (31) is embedded into the second groove (21).
7. The easy to disassemble power take-off transmission combination as claimed in claim 6, wherein: the roughness of the bottom surfaces of the first groove (11) and the second groove (21) is not less than 3.2.
8. The easy to disassemble power take-off transmission combination as claimed in claim 6, wherein: the sealing connection structure further comprises a shell gasket (5) arranged between the junction surface of the transmission shell and the junction surface of the power takeoff shell.
9. An easily disassembled power take-off transmission combination as claimed in claim 5 or 6 or 7, wherein: the sealing connection structure further comprises a flat washer (7) which is sleeved on the studs at two ends of the shell connecting piece (3) and is positioned between the inner side surface of the transmission shell (1) or the inner side surface of the power takeoff shell (2) and the locking nut.
10. The easy to disassemble power take-off transmission combination as claimed in claim 9, wherein: the sealing coating (4) is a foamed rubber composite coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011223575.1A CN112555391B (en) | 2020-11-05 | 2020-11-05 | Easily-detachable power takeoff and transmission combination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011223575.1A CN112555391B (en) | 2020-11-05 | 2020-11-05 | Easily-detachable power takeoff and transmission combination |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112555391A true CN112555391A (en) | 2021-03-26 |
| CN112555391B CN112555391B (en) | 2022-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011223575.1A Active CN112555391B (en) | 2020-11-05 | 2020-11-05 | Easily-detachable power takeoff and transmission combination |
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| Country | Link |
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| CN (1) | CN112555391B (en) |
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| CN203641224U (en) * | 2013-11-14 | 2014-06-11 | 重庆华龄软汇科技有限公司 | Positioning stud |
| CN104647832A (en) * | 2015-02-26 | 2015-05-27 | 陕西理工学院 | Composite sealing material and preparation method thereof |
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| DE102016222181A1 (en) * | 2016-11-11 | 2018-05-17 | Siemens Aktiengesellschaft | Device for connecting two components |
| US20180266471A1 (en) * | 2015-11-24 | 2018-09-20 | Yihua You | Tapered internal thread and threaded column connecting structure |
| CN209340298U (en) * | 2018-12-17 | 2019-09-03 | 优涂扣紧固件（苏州）有限公司 | A kind of fastener |
| CN211525488U (en) * | 2020-01-21 | 2020-09-18 | 中国重汽集团济南动力有限公司 | Power takeoff box structure |
-
2020
- 2020-11-05 CN CN202011223575.1A patent/CN112555391B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19548820A1 (en) * | 1995-06-29 | 1997-01-02 | Teves Gmbh Alfred | Closure piece for a metallic tube |
| CN203641224U (en) * | 2013-11-14 | 2014-06-11 | 重庆华龄软汇科技有限公司 | Positioning stud |
| CN104647832A (en) * | 2015-02-26 | 2015-05-27 | 陕西理工学院 | Composite sealing material and preparation method thereof |
| CN204716939U (en) * | 2015-05-28 | 2015-10-21 | 陕西法士特齿轮有限责任公司 | The linkage structure of a kind of power take-off and speed changer |
| US20180266471A1 (en) * | 2015-11-24 | 2018-09-20 | Yihua You | Tapered internal thread and threaded column connecting structure |
| DE102016222181A1 (en) * | 2016-11-11 | 2018-05-17 | Siemens Aktiengesellschaft | Device for connecting two components |
| CN209340298U (en) * | 2018-12-17 | 2019-09-03 | 优涂扣紧固件（苏州）有限公司 | A kind of fastener |
| CN211525488U (en) * | 2020-01-21 | 2020-09-18 | 中国重汽集团济南动力有限公司 | Power takeoff box structure |
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| CN112555391B (en) | 2022-04-15 |
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