CN208153700U - Combined seal structure - Google Patents
Combined seal structure Download PDFInfo
- Publication number
- CN208153700U CN208153700U CN201820448257.7U CN201820448257U CN208153700U CN 208153700 U CN208153700 U CN 208153700U CN 201820448257 U CN201820448257 U CN 201820448257U CN 208153700 U CN208153700 U CN 208153700U
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- Prior art keywords
- oil
- bearing
- ball
- cover
- transmission shaft
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Abstract
The utility model discloses a kind of combined seal structures, including：Cabinet, bearing (ball) cover, transmission shaft and pressing plate；Cabinet is formed with the axis hole stretched out for transmission shaft；Bearing (ball) cover is fixed to cabinet and covers axis hole；Transmission shaft passes through bearing (ball) cover；Pressing plate installs the side to bearing (ball) cover far from cabinet；Transmission shaft passes through pressing plate；Bearing (ball) cover is formed with oil back chamber in the side far from cabinet；Bearing (ball) cover is formed with the oil return hole of the inner space of connection oil back chamber and cabinet；Transmission shaft formed oriented oil return hole get rid of oil get rid of oil groove.Combined seal structure casting disclosed by the utility model is low with difficulty of processing.
Description
Technical field
The utility model relates to a kind of combined seal structures.
Background technique
Gearbox applications various industries in industry, are the reliable fashions for transmitting power, and application is extremely wide.In the dress of gear-box
In matching and actually using, sealing element aging or failure are always the problem of the art staff pays close attention to.Existing sealing
Structure fabrication process is complicated, and casting difficulty is big, and is not easy to replace in sealing structure aging.
Utility model content
A kind of combined seal structure provided by the utility model, technical solution are as follows：
A kind of combined seal structure, including：Cabinet, bearing (ball) cover, transmission shaft and pressing plate；Cabinet is formed with for transmission shaft
The axis hole of stretching；Bearing (ball) cover is fixed to cabinet and covers axis hole；Transmission shaft passes through bearing (ball) cover；Pressing plate is installed to bearing (ball) cover
Side far from cabinet；Transmission shaft passes through pressing plate；Bearing (ball) cover is formed with oil back chamber in the side far from cabinet；Bearing (ball) cover shape
At the oil return hole for the inner space for having connection oil back chamber and cabinet；Transmission shaft formed oriented oil return hole get rid of oil get rid of oil groove.
Further, bearing (ball) cover is formed with oil trap in the cavity wall of oil back chamber；Oil return hole is located in oil trap.
Further, oil trap with to get rid of oil groove corresponding on the axial direction of transmission shaft.
Further, bearing (ball) cover is formed with oil-recovery tank in the side close to cabinet.
Further, bearing (ball) cover is formed with multiple oil-recovery tanks；Multiple oil-recovery tanks are along the circumferentially distributed of transmission shaft.
Further, bearing (ball) cover is formed with oil return hole below transmission shaft.
Further, bearing (ball) cover is formed with the second of the inner space of connection oil back chamber and cabinet above transmission shaft
Oil return hole；Combined seal structure further includes plug screw；Plug screw closes the second oil return hole.
Further, plug screw is formed with external screw thread；The hole wall of second oil return hole is formed with the internal screw thread with plug screw cooperation.
Further, bearing (ball) cover is formed with the first integrated structure；Pressing plate is formed with the first integrated structure matched second
Integrated structure.
Further, combined seal structure further includes the second pressing plate；Second pressing plate is formed with for installing oil seal
Mounting groove；Second pressing plate is formed with and the matched third integrated structure of the first integrated structure；Second integrated structure is in conjunction with third
Structure is identical.
The utility model is beneficial in that：
Combined seal structure casts low with difficulty of processing compared to Integral mechanical sealing.Compared to traditional integral mechanical
Sealing structure, it may not be necessary to which dismantling bearing (ball) cover only and need to dismantling pressing plate can repair.It is easy to maintenance quick.In addition, can
In the case where not dismantling bearing (ball) cover, to replace different types of pressing plate directly to change sealing means, exchange is increased
Property and versatility.
Detailed description of the invention
Fig. 1 is a kind of cross-sectional view of combined seal structure, shows pressing plate and is fixed to bearing (ball) cover；
Fig. 2 is the schematic diagram of another state of combined seal structure in Fig. 1, shows the second pressing plate and is fixed to bearing end
Lid；
Fig. 3 is the schematic diagram of Fig. 1 middle (center) bearing end cap；
Fig. 4 is the schematic diagram at another visual angle of Fig. 3 middle (center) bearing end cap；
Fig. 5 is the schematic diagram that pressing plate is fixed to bearing (ball) cover in Fig. 4；
Fig. 6 is the schematic diagram of pressing plate in Fig. 1；
Fig. 7 is the schematic diagram of the second pressing plate in Fig. 2.
Combined seal structure 100, cabinet 101, bearing (ball) cover 102, transmission shaft 103, pressing plate 104, axis hole 105, oil return
Chamber 106, oil return hole 107 get rid of oil groove 108, and oil trap 109, oil-recovery tank 110, the second oil return hole 111, plug screw 112, first combines
Structure 113, the second integrated structure 114, the second pressing plate 115, mounting groove 115a, oil seal 116, third integrated structure 117, adaptation
Hole 118.
Specific embodiment
Specific introduce is made to the utility model below in conjunction with the drawings and specific embodiments.
As shown in Figures 1 to 7, a kind of combined seal structure 100, including：Cabinet 101, bearing (ball) cover 102, transmission shaft
103 and pressing plate 104；Cabinet 101 is formed with the axis hole 105 stretched out for transmission shaft 103；Bearing (ball) cover 102 is fixed to cabinet 101 simultaneously
Cover axis hole 105；Transmission shaft 103 passes through bearing (ball) cover 102；Pressing plate 104 installs to bearing (ball) cover 102 one far from cabinet 101
Side；Transmission shaft 103 passes through pressing plate 104；Bearing (ball) cover 102 is formed with oil back chamber 106 in the side far from cabinet 101；Bearing end
Lid 102 is formed with the oil return hole 107 of the inner space of connection oil back chamber 106 and cabinet 101；Transmission shaft 103 forms oriented oil return
Hole 107 get rid of oil get rid of oil groove 108.Oil return hole 107 and to get rid of oil groove 108 corresponding in the axial direction of transmission shaft 103.Specifically, returning
Oilhole 107 and get rid of the aligned in position in the axial direction of transmission shaft 103 of oil groove 108.Entrance of the oil return hole 107 towards 104 side of pressing plate
With get rid of the aligned in position in the axial direction of transmission shaft 103 of oil groove 108.Oil return hole 107 is along the direction for the axis for favouring transmission shaft 103
Extend.
As a preferred embodiment, bearing (ball) cover 102 is formed with oil trap 109 in the cavity wall of oil back chamber 106；
Oil return hole 107 is located in oil trap 109.
As a preferred embodiment, oil trap 109 with to get rid of oil groove 108 right on the axial direction of transmission shaft 103
It answers.
As a preferred embodiment, bearing (ball) cover 102 is formed with oil-recovery tank 110 in the side close to cabinet 101.
As a preferred embodiment, bearing (ball) cover 102 is formed with multiple oil-recovery tanks 110；Multiple 110 edges of oil-recovery tank
Transmission shaft 103 it is circumferentially distributed.
As a preferred embodiment, bearing (ball) cover 102 is formed with oil return hole 107 in the lower section of transmission shaft 103.
As a preferred embodiment, bearing (ball) cover 102 is formed with connection oil back chamber in the top of transmission shaft 103
106 and cabinet 101 inner space the second oil return hole 111；Combined seal structure 100 further includes plug screw 112；Plug screw 112
Close the second oil return hole 111.
As a preferred embodiment, plug screw 112 is formed with external screw thread；The hole wall of second oil return hole 111 is formed with
The internal screw thread cooperated with plug screw 112.
As a preferred embodiment, bearing (ball) cover 102 is formed with the first integrated structure 113；Pressing plate 104 is formed with
Matched second integrated structure 114 of first integrated structure 113.
As a preferred embodiment, combined seal structure 100 further includes the second pressing plate 115；Second pressing plate 115
It is formed with the mounting groove 115a of installation oil seal 116；Second pressing plate 115 is formed with and the matched third of the first integrated structure 113
Integrated structure 117；Second integrated structure 114 is identical as third integrated structure 117.
Pressing plate 104 is formed with centre bore.Transmission shaft 103 passes through centre bore.The hole wall and transmission shaft of the centre bore of pressing plate 104
103 outer peripheral surface fitting.
Second pressing plate 115 is formed with centre bore.The hole wall of the centre bore of second pressing plate 115 is towards the side of transmission shaft 103
Equipped with mounting groove 115a.Oil seal 116 is located at the outer peripheral surface in mounting groove 115a and being bonded transmission shaft 103.
First integrated structure 113 is groove.Second integrated structure 114 is the lug boss that can be embedded in groove.Lug boss
Circlewise.The cell wall of the outer peripheral surface fitting groove of lug boss.The size of lug boss is identical as groove size.It is formed on lug boss
Screw hole.Bottom portion of groove is formed with mating hole 118 corresponding with screw hole location.Bolt or bolts through bolt holes and mating hole
Pressing plate 104 is fixed to bearing (ball) cover 102 by 118.
Third integrated structure 117 is similarly the lug boss that can be embedded in groove.And size and shape uniform second combine knot
Structure 114 is identical.Same third integrated structure 117 is also formed with screw hole.
It can be outside framework oil seal by mechanical seal replacing by sealing means by using the second pressing plate 115 replacement pressing plate 104,
To change sealing means, interchangeability and versatility are increased.
When transmission shaft 103 rotates, gets rid of oil groove 108 and get rid of oil in oil trap 109.Oil trap 109 is assembled oil and has been helped
Oil is back to the right side i.e. inside of cabinet 101 of bearing (ball) cover 102 by oil return hole 107.Bolt 112 encloses the second oil return hole
111.Retain the oil return hole 107 being located at below transmission shaft 103 and helps lubricating oil by gravity quick backflow to cabinet 101
Portion.
The basic principles and main features and advantage of the utility model have been shown and described above.The technical staff of the industry
It should be appreciated that above-described embodiment does not limit the utility model in any form, it is all by the way of equivalent substitution or equivalent transformation
Technical solution obtained, all falls in the protection scope of the utility model.
Claims (10)
1. a kind of combined seal structure, which is characterized in that including：Cabinet, bearing (ball) cover, transmission shaft and pressing plate；The cabinet
It is formed with the axis hole stretched out for the transmission shaft；The bearing (ball) cover is fixed to the cabinet and covers the axis hole；The biography
Moving axis passes through the bearing (ball) cover；The pressing plate installs the side to the bearing (ball) cover far from the cabinet；The transmission shaft
Across the pressing plate；The bearing (ball) cover is formed with oil back chamber in the side far from the cabinet；The bearing (ball) cover is formed with
It is connected to the oil return hole of the inner space of the oil back chamber and the cabinet；The transmission shaft forms the oriented oil return hole and gets rid of oil
Get rid of oil groove.
2. combined seal structure according to claim 1, it is characterised in that：
The bearing (ball) cover is formed with oil trap in the cavity wall of the oil back chamber；The oil return hole is located in the oil trap.
3. combined seal structure according to claim 2, it is characterised in that：
The oil trap with described to get rid of oil groove corresponding on the axial direction of the transmission shaft.
4. combined seal structure according to claim 1, it is characterised in that：
The bearing (ball) cover is formed with oil-recovery tank in the side close to the cabinet.
5. combined seal structure according to claim 4, it is characterised in that：
The bearing (ball) cover is formed with multiple oil-recovery tanks；Multiple oil-recovery tanks are along the circumferentially distributed of the transmission shaft.
6. combined seal structure according to claim 1, it is characterised in that：
The bearing (ball) cover is formed with the oil return hole below the transmission shaft.
7. combined seal structure according to claim 6, it is characterised in that：
The bearing (ball) cover is formed with the inner space for being connected to the oil back chamber and the cabinet above the transmission shaft
Second oil return hole；The combined seal structure further includes plug screw；The plug screw closes second oil return hole.
8. combined seal structure according to claim 7, it is characterised in that：
The plug screw is formed with external screw thread；The hole wall of second oil return hole is formed with the internal screw thread with plug screw cooperation.
9. according to claim 1 to combined seal structure described in 8 any one, it is characterised in that：
The bearing (ball) cover is formed with the first integrated structure；The pressing plate is formed with matched second knot of first integrated structure
Close structure.
10. combined seal structure according to claim 9, it is characterised in that：
The combined seal structure further includes the second pressing plate；Second pressing plate is formed with the installation for installing oil seal
Slot；Second pressing plate is formed with and the matched third integrated structure of first integrated structure；Second integrated structure with
The third integrated structure is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820448257.7U CN208153700U (en) | 2018-04-02 | 2018-04-02 | Combined seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820448257.7U CN208153700U (en) | 2018-04-02 | 2018-04-02 | Combined seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208153700U true CN208153700U (en) | 2018-11-27 |
Family
ID=64380997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820448257.7U Active CN208153700U (en) | 2018-04-02 | 2018-04-02 | Combined seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208153700U (en) |
-
2018
- 2018-04-02 CN CN201820448257.7U patent/CN208153700U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191011 Address after: 211103 Jiangning Science Park, Nanjing, Jiangsu, 1 Tianyuan East Road. Co-patentee after: Nanjing High Precision Transmission Equipment Manufacturing Group Co.,Ltd. Patentee after: NANJING HIGH SPEED GEAR MANUFACTURING Co.,Ltd. Address before: 211103 Jiangning Science Park, Nanjing, Jiangsu, 1 Tianyuan East Road. Patentee before: NANJING HIGH SPEED GEAR MANUFACTURING Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200509 Address after: 211103 No.30, Houjiao Road, gaoxinyuan, Jiangning District, Nanjing City, Jiangsu Province Patentee after: NANJING HIGH SPEED GEAR MANUFACTURING Co.,Ltd. Address before: 211103 Jiangning Science Park, Nanjing, Jiangsu, 1 Tianyuan East Road. Co-patentee before: Nanjing High Precision Transmission Equipment Manufacturing Group Co.,Ltd. Patentee before: NANJING HIGH SPEED GEAR MANUFACTURING Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20230207 Granted publication date: 20181127 |
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| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20230327 Granted publication date: 20181127 |
|
| PD01 | Discharge of preservation of patent |