CN218747496U - Top cap assembly nylon ring and oil blanket pressure equipment frock - Google Patents
Top cap assembly nylon ring and oil blanket pressure equipment frock Download PDFInfo
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- CN218747496U CN218747496U CN202222556165.XU CN202222556165U CN218747496U CN 218747496 U CN218747496 U CN 218747496U CN 202222556165 U CN202222556165 U CN 202222556165U CN 218747496 U CN218747496 U CN 218747496U
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- oil seal
- nylon ring
- shaft
- guide
- sleeve
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Abstract
The utility model discloses a top cover assembly nylon ring and oil seal press fitting tool, which comprises a base, wherein the upper end of the base is sequentially provided with a workpiece positioning shaft and a guide shaft of a coaxial line; the nylon ring sleeve is characterized in that the lower end of the nylon ring sleeve is a nylon ring installation shaft, the upper end of the nylon ring installation shaft is convexly provided with a nylon ring pushing part, the lower end of the nylon ring installation shaft is provided with a guide hole which can be in sliding connection with the guide shaft, the nylon ring installation shaft and the guide hole are coaxial with the guide shaft, and the periphery of the nylon ring pushing part does not exceed an oil seal hole on a workpiece to be pressed; the oil seal device comprises an oil seal sleeve, wherein the lower end of the oil seal sleeve is an oil seal installation shaft, an oil seal pushing part is arranged at the upper end of the oil seal installation shaft in a protruding mode, a guide hole capable of being in sliding connection with the guide shaft is formed in the lower end of the oil seal installation shaft, and the oil seal installation shaft and the guide hole are coaxial with the guide shaft. The utility model provides the high efficiency and the assembly quality of derailleur top cap assembly nylon ring and oil blanket assembly.
Description
Technical Field
The utility model relates to a derailleur assembly field, concretely relates to top cap assembly nylon ring and oil blanket pressure equipment frock.
Background
In recent years, with the increase of the production quantity of commercial truck transmissions, the quality requirement and the efficiency of transmission assembly are continuously improved, the requirement on the assembly of the top cover assembly is also improved along with the improvement of the quality requirement on the top cover assembly, meanwhile, an efficient assembly method is continuously innovated and developed, the old top cover assembly method has the problems of complex operation, low efficiency, substandard assembly quality and the like, and the top cover assembly of the transmission is easy to have oil leakage and oil seepage. When the oil seal is installed, the requirements on the oil seal and the nylon ring are high, in the structure of the top cover, the nylon ring and the oil seal are coaxial, and the diameter of the oil seal is larger than that of the nylon ring, so that the oil seal is installed after the nylon ring is installed. In the traditional assembly process, an operator firstly puts the nylon ring into the end face of the corresponding hole position and then assembles the nylon ring by knocking or press fitting, and the assembly mode has the problems that the nylon ring is easy to damage on one hand, the installation is not in place easily on the other hand, the installation of an oil seal is influenced, the oil seal is invalid and the like; meanwhile, in the traditional assembly mode, the problem that an oil seal framework is damaged to cause oil seal failure and the like easily through directly mounting an oil seal, and the problem that a top cover assembly leaks oil, seeps oil and the like occurs, so that in the assembly of the oil seal and the nylon ring, on one hand, the effectiveness of the oil seal structure is guaranteed, and on the other hand, the assembly of the nylon ring cannot interfere with the oil seal.
Chinese utility model patent CN214723848U discloses an oil seal press fitting tool, which relates to the technical field of oil seal press fitting, and comprises a pressure head, a first limiting part and a second limiting part, wherein the pressure head comprises a shaft main body, a first end part positioned at one end of the shaft main body and a second end part positioned at the other end of the shaft main body, the first limiting part is sleeved on the first end part, and the second limiting part is adjustably assembled on the shaft main body along the axial direction of the shaft main body; when the oil seal is pressed, the oil seal is assembled on the end face of the first end portion, the first limiting part is abutted to the installation main body, and the second end portion drives the pressure head to move relative to the first limiting part under the action of external force, so that the first end portion drives the oil seal to be pressed in the installation hole of the installation main body. The oil seal press-fitting tool can meet different assembly depth requirements, so that the applicability is remarkably improved, and a solution is not provided for improving the concentricity of press-fitted parts and simultaneously press-fitting various parts.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve prior art installation method operation complicacy, inefficiency, assembly quality technical problem such as not up to standard, provide a novel top cap assembly nylon ring and oil blanket pressure equipment frock.
The utility model discloses an adopted technical scheme does: a nylon ring and oil seal press-fitting tool for a top cover assembly comprises a base, wherein a workpiece positioning shaft and a guide shaft which are coaxial are sequentially arranged at the upper end of the base;
the nylon ring sleeve is characterized in that the lower end of the nylon ring sleeve is provided with a nylon ring mounting shaft, the upper end of the nylon ring mounting shaft is convexly provided with a nylon ring pushing part, the lower end of the nylon ring mounting shaft is provided with a guide hole which can be in sliding connection with the guide shaft, the nylon ring mounting shaft and the guide hole are coaxial with the guide shaft, and the periphery of the nylon ring pushing part does not exceed an oil seal hole on a workpiece to be pressed;
the oil seal device comprises an oil seal sleeve, wherein the lower end of the oil seal sleeve is an oil seal mounting shaft, an oil seal pushing part is arranged at the upper end of the oil seal mounting shaft in a protruding mode, a guide hole capable of being in sliding connection with the guide shaft is formed in the lower end of the oil seal mounting shaft, and the oil seal mounting shaft and the guide hole are coaxial with the guide shaft.
Preferably, the nylon ring pushing part is cylindrical, and the diameter of the nylon ring pushing part is larger than that of the nylon ring hole and not larger than that of the oil sealing hole.
Preferably, the height of the nylon ring mounting shaft is not less than the thickness of the nylon ring, and the height of the oil seal mounting shaft is not less than the thickness of the oil seal.
Preferably, the outer edges of the lower ends of the nylon ring mounting shaft and the oil seal mounting shaft are provided with chamfers.
Preferably, the nylon ring sleeve and the oil seal sleeve are provided with vent holes communicated with the guide holes along the axial direction.
Preferably, the lower end of the base is provided with a base mounting part matched with a positioning groove of the press platform.
The utility model discloses a following beneficial effect has:
the utility model provides a top cap assembly nylon ring has guaranteed the quality of nylon ring and oil blanket assembly with oil blanket pressure equipment frock, the atress is even and guarantee the nylon ring when having realized guaranteeing nylon ring and oil blanket pressure equipment through the frock, the requirement of oil blanket and work piece hole concentricity, the one time fixed work piece of waiting to press of it, use nylon ring sleeve and oil blanket sleeve in proper order, can accomplish the pressure equipment of nylon ring and oil blanket, and is easy and simple to handle, operator's intensity of labour has been reduced, the efficiency and the assembly quality of nylon ring and oil blanket assembly have been improved greatly.
Drawings
Fig. 1 is a sectional view of the present invention.
Fig. 2 is a cross-sectional view of the nylon ring sleeve of the present invention.
Fig. 3 is a sectional view of the oil seal sleeve of the present invention.
Fig. 4 is a schematic structural diagram of the workpiece to be pressed according to the present invention.
The figures are labeled as follows: the device comprises a nylon ring sleeve 1, a nylon ring mounting shaft 11, a nylon ring pushing part 12, a base 2, a workpiece positioning shaft 21, a guide shaft 22, a workpiece to be pressed 3, a lower side hole 31, an oil sealing hole 32, a nylon ring hole 33, a nylon ring 5, an oil sealing sleeve 51, an oil sealing mounting shaft 52, an oil sealing pushing part 6, an oil seal and a guide hole 7.
Detailed Description
In order to better understand the purpose, structure and function of the present invention, the following figures are combined to describe the top cover assembly nylon ring and the oil seal press-fitting tool in further detail.
As shown in figure 1, the top cover assembly nylon ring and oil seal press fitting tool comprises a base 2, wherein a workpiece positioning shaft 21 and a guide shaft 22 which are coaxial are sequentially arranged at the upper end of the base 2. Before press fitting, a workpiece 3 to be pressed is placed on the base 2, the workpiece positioning shaft 21 and the guide shaft 22 penetrate through a middle hole of the workpiece 3 to be pressed, and the guide shaft 22 can be matched with the nylon ring sleeve 1 and a guide hole 7 at the lower end of the oil seal sleeve 5, so that a positioning effect is achieved.
As shown in fig. 2 and fig. 3, the workpiece pressing device further comprises a nylon ring sleeve 1 and an oil seal sleeve 5, the lower end of the nylon ring sleeve 1 is a nylon ring mounting shaft 11, a nylon ring pushing part 12 is convexly arranged at the upper end of the nylon ring mounting shaft 11, a guide hole 7 which can be slidably connected with the guide shaft 22 is arranged at the lower end of the nylon ring mounting shaft 11, the guide hole 7 and the guide shaft 22 are coaxial, and the periphery of the nylon ring pushing part 12 does not exceed an oil seal hole 32 on the workpiece 3 to be pressed, so that interference is avoided. The lower end of the oil seal sleeve 5 is an oil seal mounting shaft 51, the upper end of the oil seal mounting shaft 51 is convexly provided with an oil seal pushing part 52, the lower end of the oil seal mounting shaft 51 is provided with a guide hole which can be in sliding connection with the guide shaft 22, and the oil seal mounting shaft 51 and the guide hole 7 are coaxial with the guide shaft 22.
As shown in fig. 4, axes of the lower side hole 31, the oil seal hole 32 and the nylon annular hole 33 of the workpiece 3 to be pressed are overlapped, the workpiece 3 to be pressed is sleeved on the guide shaft 22 and the workpiece positioning shaft 21 of the base 2 through the middle hole, the nylon ring 4 is sleeved on the nylon ring mounting shaft 11 of the nylon annular sleeve 1 in advance, the oil seal 6 is sleeved on the oil seal mounting shaft of the oil seal sleeve 5, because the workpiece positioning shaft 21 has already positioned and fixed the workpiece 3 to be pressed, the nylon annular sleeve 1 and the guide hole 7 of the oil seal sleeve 5 are inserted into the guide shaft 22 and then slide downwards, the nylon ring 4 and the oil seal 6 are respectively pressed into the nylon annular hole 33 and the oil seal hole 32, so that the uniform stress when the nylon ring 4 and the oil seal 6 are pressed and the requirement of concentricity of the nylon ring 4, the oil seal 6, the nylon annular hole 33 and the oil seal hole 32 is ensured, the workpiece 3 to be pressed is fixed once, and the nylon annular sleeve 1 and the oil seal 5 are used in sequence, and the pressing of the nylon ring and the oil seal can be completed.
In an alternative embodiment, the nylon ring pushing part 12 may be a cylinder, a rectangular body, a polygonal body, or a body formed by a straight edge and an arc edge, and is preferably a cylinder, the diameter of the nylon ring pushing part is not greater than the diameter of the oil sealing hole 32 to avoid interference, the diameter of the nylon ring pushing part is greater than the diameter of the nylon ring hole 33, and the lower end of the nylon ring pushing part 12 pushes against the step between the oil sealing hole 32 and the nylon ring hole 33 to play a role in limiting.
In this embodiment, the height of the nylon ring mounting shaft 11 is not less than the thickness of the nylon ring 4, and the height of the oil seal mounting shaft 51 is not less than the thickness of the oil seal 6, so that the nylon ring 4 and the oil seal 6 can be guaranteed to be pressed to the standard position. The outer edges of the lower ends of the nylon ring mounting shaft 11 and the oil seal mounting shaft 51 are provided with chamfers, and the chamfers can be bevel angles or fillets, so that the nylon ring 4 and the oil seal 6 can be conveniently sleeved in.
In this embodiment, the nylon ring sleeve 1 and the oil seal sleeve 5 are provided with vent holes communicated with the guide holes 7 along the axial direction, so as to prevent the nylon ring 4 and the oil seal 6 from being assembled in place due to air pressure.
In this embodiment, the lower end of the base 2 is provided with a base mounting part matched with the positioning groove of the press platform, and the lower end of the base 2 is also provided with a weight reduction groove, so that the weight of the base 2 is reduced on the premise of ensuring the strength of the base 2.
The utility model discloses a pressure equipment frock each part all can use steel processing to make.
The utility model discloses a at concrete during operation, the working process as follows: an operator firstly sleeves a workpiece 3 to be pressed on a workpiece positioning shaft 21 of a base 2 through a middle hole, sleeves a nylon ring 4 on a nylon ring sleeve 1 in advance, aligns a guide hole 7 of the nylon ring sleeve 1 with a guide shaft 22 of the base 2 and places the nylon ring sleeve above the guide shaft 22, then operates a press machine, the press machine presses down the nylon ring sleeve 1, pressure is transmitted to the nylon ring 4 through a nylon ring pushing part 12, the nylon ring 4 is sent to a standard position, the nylon ring sleeve 1 is taken down after the press-fitting is finished, the oil seal sleeve 5 sleeved with an oil seal 6 in advance is placed on the guide shaft 22 of the base 2, the previous operation is repeated, the press machine is started to press down the oil seal sleeve 5, the pressure is transmitted to the oil seal 6 through an oil seal pushing part 52, the oil seal 6 is pressed to the standard position, the sleeve is taken down, and the press-fitting operation is finished. Use the utility model discloses a frock pressure equipment nylon ring 4 and oil blanket 6, it is easy and simple to handle, reduced operator's intensity of labour, improved the efficiency and the assembly quality of nylon ring and oil blanket assembly greatly.
The foregoing is a more detailed description of the invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments disclosed herein. The present invention can be easily modified and modified by those having basic knowledge in the field to which the present invention pertains, and such modifications and modifications should be considered as belonging to the scope of patent protection defined by the claims filed herewith.
Claims (6)
1. A top cover assembly nylon ring and oil seal press fitting tool is characterized by comprising a base (2), wherein the upper end of the base (2) is sequentially provided with a coaxial workpiece positioning shaft (21) and a coaxial guide shaft (22);
the device comprises a nylon ring sleeve (1), wherein the lower end of the nylon ring sleeve (1) is a nylon ring installation shaft (11), a nylon ring pushing part (12) is convexly arranged at the upper end of the nylon ring installation shaft (11), a guide hole (7) which can be in sliding connection with a guide shaft (22) is arranged at the lower end of the nylon ring installation shaft (11), the nylon ring installation shaft (11) and the guide hole (7) are coaxial with the guide shaft (22), and the periphery of the nylon ring pushing part (12) does not exceed an oil seal hole (32) on a workpiece (3) to be pressed;
the oil seal device comprises an oil seal sleeve (5), wherein the lower end of the oil seal sleeve (5) is an oil seal mounting shaft (51), an oil seal pushing part (52) is arranged at the upper end of the oil seal mounting shaft (51) in a protruding mode, a guide hole (7) which can be in sliding connection with a guide shaft (22) is formed in the lower end of the oil seal mounting shaft (51), and the oil seal mounting shaft (51) and the guide hole (7) are coaxial with the guide shaft (22).
2. The top cover assembly nylon ring and oil seal press fitting tool as claimed in claim 1, wherein the nylon ring pushing portion (12) is cylindrical, and the diameter of the nylon ring pushing portion is larger than that of the nylon ring hole (33) and not larger than that of the oil seal hole (32).
3. The top cover assembly nylon ring and oil seal press fitting tool as claimed in claim 1, wherein the height of the nylon ring mounting shaft (11) is not less than the thickness of the nylon ring (4), and the height of the oil seal mounting shaft (51) is not less than the thickness of the oil seal (6).
4. The top cover assembly nylon ring and oil seal press-fitting tool as claimed in claim 1, wherein the outer edges of the lower ends of the nylon ring mounting shaft (11) and the oil seal mounting shaft (51) are chamfered.
5. The top cover assembly nylon ring and oil seal press fitting tool as claimed in claim 1, wherein the nylon ring sleeve (1) and the oil seal sleeve (5) are provided with vent holes communicated with the guide holes along the axial direction.
6. The top cover assembly nylon ring and oil seal press fitting tool as claimed in any one of claims 1 to 5, wherein a base mounting portion matched with a positioning groove of a press machine platform is arranged at the lower end of the base (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222556165.XU CN218747496U (en) | 2022-09-27 | 2022-09-27 | Top cap assembly nylon ring and oil blanket pressure equipment frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222556165.XU CN218747496U (en) | 2022-09-27 | 2022-09-27 | Top cap assembly nylon ring and oil blanket pressure equipment frock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218747496U true CN218747496U (en) | 2023-03-28 |
Family
ID=85697315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222556165.XU Active CN218747496U (en) | 2022-09-27 | 2022-09-27 | Top cap assembly nylon ring and oil blanket pressure equipment frock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218747496U (en) |
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2022
- 2022-09-27 CN CN202222556165.XU patent/CN218747496U/en active Active
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