CN213969862U - Framework oil seal press-fitting structure - Google Patents
Framework oil seal press-fitting structure Download PDFInfo
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- CN213969862U CN213969862U CN202023041184.6U CN202023041184U CN213969862U CN 213969862 U CN213969862 U CN 213969862U CN 202023041184 U CN202023041184 U CN 202023041184U CN 213969862 U CN213969862 U CN 213969862U
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- positioning shaft
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Abstract
The utility model discloses a framework oil seal press-fitting structure, which comprises a positioning shaft, a framework oil seal, a press-fitting plate, a cover plate, a bolt and a thrust bearing; the positioning shaft is arranged on the shell or the box body, a threaded hole is formed in the positioning shaft, the positioning shaft is coaxially provided with a framework oil seal and a press mounting plate from inside to outside in sequence, the press mounting plate is coaxially provided with a thrust bearing and a cover plate from inside to outside in sequence, and the bolt is fastened in the threaded hole of the positioning shaft after sequentially penetrating through the cover plate, the thrust bearing and the press mounting plate. The utility model discloses a skeleton oil blanket pressure equipment structure, the installation is simple swift effective, can make the installation of oil blanket meet the requirements simultaneously, does not influence its use reliability, and the cost is lower, has very strong practicality.
Description
Technical Field
The utility model relates to a skeleton oil blanket pressure equipment structure belongs to mechanical transmission part field.
Background
In order to ensure the sealing reliability of the framework oil seal and prolong the service life of the framework oil seal, the framework oil seal is required not to deform, incline and the like during assembly. Therefore, the conventional oil seal installation method is to manufacture a tool and press-fit the oil seal by adopting a press machine, so that the oil seal is uniformly stressed and is installed smoothly without deformation. When the oil seal cover matched with the outer ring of the oil seal is small, the requirement can be met by a common press, and the investment cost of equipment is low. However, when the oil seal needs to be mounted on a shell or a box body with a large size, the common press machine often cannot meet the actual press-mounting condition, and at this time, the press machine needs to be redesigned according to the size and the shape of an actual part, so that the cost is high. If the product is in the trial-manufacturing stage, or the product has large differentiation and limited quantity of demands, the special press-fitting equipment is put into the product with lower cost performance. Under this condition, knock the installation oil blanket with the manual work, can make the oil blanket appear the probability increase of oil leak in the use, increased the maintenance replacement cost, influence the product image even, be unfavorable for enterprise's development.
Disclosure of Invention
To the problem that above-mentioned prior art exists, the utility model provides a skeleton oil blanket pressure equipment structure simply easily does, and the cost is lower, has very strong practicality.
In order to achieve the purpose, the utility model discloses a framework oil seal press mounting structure, including positioning shaft, framework oil seal, press mounting plate, cover plate, bolt and thrust bearing;
the positioning shaft is arranged on the shell or the box body, a threaded hole is formed in the positioning shaft, the positioning shaft is coaxially provided with a framework oil seal and a press mounting plate from inside to outside in sequence, the press mounting plate is coaxially provided with a thrust bearing and a cover plate from inside to outside in sequence, and the bolt is fastened in the threaded hole of the positioning shaft after sequentially penetrating through the cover plate, the thrust bearing and the press mounting plate.
As an improvement, the shell or the box body is provided with a mounting hole, a positioning shaft mounting hole and a framework oil seal mounting hole which are sequentially communicated, and the mounting hole, the positioning shaft mounting hole and the framework oil seal mounting hole are coaxially arranged.
As an improvement, the cross section of the positioning shaft is T-shaped, the positioning shaft is provided with a positioning hole I, a positioning hole II and a threaded hole which are sequentially communicated, and the positioning hole I, the positioning hole II and the threaded hole are coaxially arranged.
As an improvement, the press-mounting plate is provided with a positioning shaft press-mounting hole, a bolt press-mounting hole and a bearing press-mounting hole which are sequentially communicated, the positioning shaft press-mounting hole, the bolt press-mounting hole and the bearing press-mounting hole are coaxially arranged, and the outer side of the press-mounting plate is provided with a notch.
Compared with the prior art, the utility model discloses a skeleton oil blanket pressure equipment structure, the installation is simple swift effective, can make the installation of oil blanket meet the requirements simultaneously, does not influence its use reliability, and the cost is lower, has very strong practicality.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a partial structure of the casing or the box body of the present invention;
FIG. 3 is a schematic structural view of the positioning shaft of the present invention;
fig. 4 is a schematic structural view of the middle press-fitting plate of the present invention;
in the figure: 1. the device comprises a shell or a box body, 11, mounting holes, 12, positioning shaft mounting holes, 13, framework oil seal mounting holes, 2, positioning shafts, 21, positioning holes I and 22, positioning holes II and 23, threaded holes, 3, framework oil seals, 4, a press mounting plate, 41, positioning shaft press mounting holes, 42, bolt press mounting holes, 43, bearing press mounting holes, 44, notches, 5, cover plates, 6, bolts, 7 and thrust bearings.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail below. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification of the present invention are for the purpose of describing particular embodiments only and are not intended to limit the present invention.
As shown in fig. 1, a framework oil seal press-fitting structure comprises a positioning shaft 2, a framework oil seal 3, a press-fitting plate 4, a cover plate 5, a bolt 6 and a thrust bearing 7;
the positioning shaft 2 is arranged on the shell or the box body 1, a threaded hole 23 is formed in the positioning shaft 2, the framework oil seal 3 and the press mounting plate 4 are sequentially and coaxially assembled on the positioning shaft 2 from inside to outside, the thrust bearing 7 and the cover plate 5 are sequentially and coaxially assembled on the press mounting plate 4 from inside to outside, and the bolt 6 is fastened in the threaded hole 23 of the positioning shaft 2 after sequentially penetrating through the cover plate 5, the thrust bearing 7 and the press mounting plate 4.
As an improvement of the embodiment, as shown in fig. 2, the housing or the box 1 is provided with a mounting hole 11, a positioning shaft mounting hole 12 and a framework oil seal mounting hole 13 which are sequentially communicated, and the mounting hole 11, the positioning shaft mounting hole 12 and the framework oil seal mounting hole 13 are coaxially arranged. As shown in fig. 3, the cross section of the positioning shaft 2 is T-shaped, the positioning shaft 2 is provided with a positioning hole i 21, a positioning hole ii 22 and a threaded hole 23 which are sequentially communicated, and the positioning hole i 21, the positioning hole ii 22 and the threaded hole 23 are coaxially arranged. As shown in fig. 4, the press-fitting plate 4 is provided with a positioning shaft press-fitting hole 41, a bolt press-fitting hole 42 and a bearing press-fitting hole 43 which are sequentially communicated, the positioning shaft press-fitting hole 41, the bolt press-fitting hole 42 and the bearing press-fitting hole 43 are coaxially arranged, and the outer side of the press-fitting plate 4 is provided with a notch 44. The threaded hole 23 is provided with threads matching the bolt 6.
The utility model discloses an oil blanket pressure equipment method, the principle is:
the positioning shaft mounting hole 12 on the shell or the box body 1 is fully utilized to be connected with the positioning shaft 2, the positioning hole I21 on the positioning shaft 2 is positioned in the positioning shaft mounting hole 12, the other end of the positioning shaft 2 is positioned in the framework oil seal mounting hole 13, the framework oil seal 3 is arranged between the outer ring of the positioning shaft 2 and the framework oil seal mounting hole 13, the positioning shaft press-fitting hole 41 in the press-fitting plate 4 is matched and mounted with the outer ring of the end part of the positioning shaft 2, the gap 44 on the outer ring of the press-fitting plate 4 is matched to press the framework oil seal 3, the thrust bearing 7 is arranged in the bearing press-fitting hole 43 of the press-fitting plate 4, the inner side of the cover plate 5 is provided with a groove, the thrust bearing 7 is pressed in the bearing press-fitting hole 43 through the matching of the groove of the cover plate, finally, the bolt 6 penetrates through the cover plate 5, the thrust bearing 7 and the press-fitting plate 4, the bolt 6 and the threaded hole 23 on the positioning shaft 2 are screwed mutually, and the oil seal 3 is installed in place by axially pushing the press-fitting plate 4 through the screwing force of the threads; because the bolt 6 has relative rotary motion relative to the press-fitting plate 4 and has thrust action on the bolt, a thrust bearing 7 is required to be arranged between the bolt 6 and the press-fitting plate 4; to the instrument of the wrong bolt 6, ordinary spanner can use, but in order to reach better installation effect, need use pneumatics or electronic spanner, not only quick and laborsaving like this, can also improve oil blanket installation quality.
During the in-service use, install the corresponding position on box or casing 1 with location axle 2 after, with skeleton oil blanket 3 suit on location axle 2, install pressure equipment board 4, thrust bearing 7 and apron 5 in proper order afterwards, pass bolt 6 from the center at last and fix a position epaxial screw hole 23 and close soon, twist the bolt once to put in place with pneumatic or electric spanner at last, skeleton oil blanket 3 is just installed at this moment.
The framework oil seal press-fitting structure of the utility model utilizes the structural characteristics of a large-size shell or a box body to find the bearing hole or other mounting holes coaxial with the framework oil seal, and the positioning shaft is matched in the hole, so that the framework oil seal can be coaxially and flatly placed with the oil seal mounting hole before press-fitting; the pressing plate is in contact with the end face of the framework oil seal and used for pushing the framework oil seal and determining the axial position of the final installation of the framework oil seal; the center of the positioning shaft is provided with a threaded hole for screwing with a bolt; when the framework oil seal is pressed and installed, if a pneumatic or electric wrench is adopted to screw the bolt, the whole pressing and installing process is quick and convenient, and meanwhile, the installation quality is ensured. The framework oil seal press-fitting structure is simple and easy to manufacture, the press-fitting method is simple to operate, and a press-fitting scheme with low cost and good effect can be provided during special press-fitting.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.
Claims (4)
1. A framework oil seal press-fitting structure is characterized by comprising a positioning shaft (2), a framework oil seal (3), a press-fitting plate (4), a cover plate (5), a bolt (6) and a thrust bearing (7);
location axle (2) are installed on casing or box (1), open threaded hole (23) in location axle (2), from interior to exterior coaxial assembly has skeleton oil blanket (3) and pressure equipment board (4) in proper order on location axle (2), from interior to exterior coaxial assembly has thrust bearing (7) and apron (5) in proper order on pressure equipment board (4), bolt (6) pass apron (5), thrust bearing (7) and pressure equipment board (4) back in proper order, fasten in threaded hole (23) of location axle (2).
2. The framework oil seal press-fitting structure as claimed in claim 1, wherein the housing or the box body (1) is provided with a mounting hole (11), a positioning shaft mounting hole (12) and a framework oil seal mounting hole (13) which are sequentially communicated, and the mounting hole (11), the positioning shaft mounting hole (12) and the framework oil seal mounting hole (13) are coaxially arranged.
3. The framework oil seal press-fitting structure as claimed in claim 1, wherein the cross section of the positioning shaft (2) is T-shaped, the positioning shaft (2) is provided with a positioning hole I (21), a positioning hole II (22) and a threaded hole (23) which are sequentially communicated, and the positioning hole I (21), the positioning hole II (22) and the threaded hole (23) are coaxially arranged.
4. The framework oil seal press-fitting structure as claimed in claim 1, wherein the press-fitting plate (4) is provided with a positioning shaft press-fitting hole (41), a bolt press-fitting hole (42) and a bearing press-fitting hole (43) which are sequentially communicated, the positioning shaft press-fitting hole (41), the bolt press-fitting hole (42) and the bearing press-fitting hole (43) are coaxially arranged, and the outer side of the press-fitting plate (4) is provided with a notch (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023041184.6U CN213969862U (en) | 2020-12-17 | 2020-12-17 | Framework oil seal press-fitting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023041184.6U CN213969862U (en) | 2020-12-17 | 2020-12-17 | Framework oil seal press-fitting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213969862U true CN213969862U (en) | 2021-08-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023041184.6U Active CN213969862U (en) | 2020-12-17 | 2020-12-17 | Framework oil seal press-fitting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213969862U (en) |
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2020
- 2020-12-17 CN CN202023041184.6U patent/CN213969862U/en active Active
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