CN107905910A - A kind of crankshaft of diesel engine Rear oil seal modular construction - Google Patents
A kind of crankshaft of diesel engine Rear oil seal modular construction Download PDFInfo
- Publication number
- CN107905910A CN107905910A CN201711425811.6A CN201711425811A CN107905910A CN 107905910 A CN107905910 A CN 107905910A CN 201711425811 A CN201711425811 A CN 201711425811A CN 107905910 A CN107905910 A CN 107905910A
- Authority
- CN
- China
- Prior art keywords
- side wall
- installation cavity
- installing plate
- oil seal
- threaded rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F11/00—Arrangements of sealings in combustion engines
Abstract
The invention discloses a kind of crankshaft of diesel engine Rear oil seal modular construction, including installing plate, the installing plate is internally provided with installation cavity, guide rod is equipped with the installation cavity, the both ends of the guide rod are respectively fixedly connected with the opposite two side walls of installation cavity, sliding sleeve is connected to two movable blocks on the guide rod, the installation cavity is internally threaded bar, the threaded rod runs through two movable blocks, the both ends of the threaded rod are respectively equipped with the opposite screw thread of hand of spiral, two movable blocks are threaded in the both sides of threaded rod respectively, one end of the threaded rod is rotatably connected on the side wall of installation cavity, the other end of the threaded rod is fixedly connected with rotating bar, the one end of the rotating bar away from threaded rod runs through the side wall of installation cavity and extends to the outside of installing plate.The configuration of the present invention is simple, simple operation are highly practical, it can be achieved that Oil sealing assembly is rapidly assembled and disassembled replacement.
Description
Technical field
The present invention relates to engine crankshaft technical field, more particularly to a kind of crankshaft of diesel engine Rear oil seal modular construction.
Background technology
Crankshaft rear oil seal is to separate the lubricating oil of crankcase with the external world, internal oil sealing, external dust-proof parts.Use
When crankshaft rear oil seal sealing lip and crankshaft journal hold tightly, therefore crankshaft rear oil seal is with running at high speed（Specified turn of regular price gasoline machine
Speed is in 6000rpm or so）Bent axle be chronically at Frotteurism, in higher engine speeds, the local temperature of friction part is very
To the invalid temperature for exceeding oil seal lip material, crankshaft rear oil seal aging is not only caused, lip carbon distribution aggravates, and crankshaft journal is rubbed
Increase is wiped, so as to cause crankshaft journal scratch, oil seal failure when serious, the oil seepage of crankcase, further results in and start
Acc power declines.Existing Oil sealing assembly is when crankshaft rear oil seal aging oil leak, it is necessary to very bothersome when replacing due to cumbersome for installation
Arduously.
The content of the invention
The purpose of the present invention is to solve shortcoming existing in the prior art, and oil after a kind of crankshaft of diesel engine proposed
Sealing assembly structure.
To achieve these goals, present invention employs following technical solution：
A kind of crankshaft of diesel engine Rear oil seal modular construction, including installing plate, the installing plate are internally provided with installation cavity, the peace
Guide rod is equipped with behaveing affectedly, the both ends of the guide rod are respectively fixedly connected with the opposite two side walls of installation cavity, described to lead
Sliding sleeve is connected to two movable blocks on to bar, and the installation cavity is internally threaded bar, and the threaded rod runs through two activities
Block, the both ends of the threaded rod are respectively equipped with the opposite screw thread of hand of spiral, and two movable blocks are threaded in spiral shell respectively
The both sides of rasp bar, one end of the threaded rod are rotatably connected on the side wall of installation cavity, and the other end of the threaded rod, which is fixed, to be connected
Rotating bar is connected to, the one end of the rotating bar away from threaded rod runs through the side wall of installation cavity and extends to the outside of installing plate, institute
The side wall for stating installing plate is equipped with two gag lever posts, and two gag lever posts are located at the both sides of installing plate, two limits respectively
The position one end of bar away from installing plate is equipped with fixed block, and two fixed blocks are symmetrical arranged, sliding on two gag lever posts
It is dynamic to be socketed with movable block, oil sealing mounting base is fixedly connected between two movable blocks, on the side wall of the oil sealing mounting base
Equipped with placing groove, oil seal is equipped with the placing groove, locking machine is equipped with the opposite two side walls of the oil sealing mounting base
Structure, the middle part of the oil sealing mounting base side wall are equipped with supports block, and the side wall of the supports block is equipped with contiguous block, the side of the contiguous block
Two supporting rods are rotatably connected on wall, the side wall of the installing plate is equipped with two flutings, and two supporting rods are away from even
The one end for connecing block extends through two and slots and extend in installation cavity, and two supporting rods are located at one end point in installation cavity
It is not rotatably connected on two movable blocks.
Preferably, run through on the side wall of the fixed block and be equipped with clamping screw.
Preferably, the retaining mechanism includes fixture block, and the oil sealing mounting base is internally provided with mounting hole, and fixture block is positioned at peace
Fill in hole, the side wall of the fixture block is equipped with pull rod, the side wall of one end penetrating mounting holes of the pull rod away from fixture block and extension
To the outside of oil sealing mounting base, spring is socketed with the pull rod, one end of the spring is connected on fixture block, the spring
The other end is connected on the side wall of mounting hole, and the side wall of the oil seal is equipped with the card slot with fixture block position correspondence, the card
One end penetrating mounting holes of the block away from pull rod are simultaneously extended in card slot.
Preferably, multiple heat sinks are equidistantly equipped with the side wall of the oil sealing mounting base.
Preferably, the material of the heat sink is aluminium flake.
Preferably, one end that the rotating bar is located on the outside of installing plate is equipped with and its integrally formed handle.
In the present invention, fixed block is fixedly mounted on the engine by clamping screw during use, rotates rotating bar, driving
Threaded rod rotates, and two movable blocks is moved along guide rod is close to each other, and by supporting rod, support oil sealing mounting base moves,
Until oil seal seals bent axle junction, oil sealing is realized, since oil seal is easy to wear, it is necessary to replace, when replacement only needs to pull
Pull rod removes fixture block out of card slot, you can removes oil seal and is replaced.The configuration of the present invention is simple, simple operation, can be real
Show the replacement that is rapidly assembled and disassembled of Oil sealing assembly, it is highly practical.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of crankshaft of diesel engine Rear oil seal modular construction proposed by the present invention；
Fig. 2 is enlarged drawing at A in Fig. 1.
In figure：1 installing plate, 2 supports blocks, 3 heat sinks, 4 placing grooves, 5 oil sealing mounting bases, 6 oil seals, 7 fixed blocks, 8 lockings
Bolt, 9 movable blocks, 10 gag lever posts, 11 rotating bars, 12 threaded rods, 13 movable blocks, 14 guide rods, 15 supporting rods, 16 contiguous blocks,
17 installation cavitys, 18 sliding slots, 19 mounting holes, 20 sliding blocks, 21 card slots, 22 fixture blocks, 23 springs, 24 pull rods.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.
With reference to Fig. 1-2, a kind of crankshaft of diesel engine Rear oil seal modular construction, including installing plate 1, installing plate 1 are internally provided with
Installation cavity 17, is equipped with guide rod 14 in installation cavity 17, the both ends of guide rod 14 be respectively fixedly connected with installation cavity 17 it is opposite two
On a side wall, sliding sleeve is connected to two movable blocks 13 on guide rod 14, and installation cavity 17 is internally threaded bar 12, threaded rod 12
Through two movable blocks 13, the both ends of threaded rod 12 are respectively equipped with the opposite screw thread of hand of spiral, and two movable blocks 13 distinguish spiral shell
Line is connected to the both sides of threaded rod 12, and one end of threaded rod 12 is rotatably connected on the side wall of installation cavity 17, threaded rod 12 it is another
One end is fixedly connected with rotating bar 11, and the one end of rotating bar 11 away from threaded rod 12 runs through the side wall of installation cavity 17 and extends to peace
The outside of loading board 1, the side wall of installing plate 1 are equipped with two gag lever posts 10, and two gag lever posts 10 are located at the two of installing plate 1 respectively
Side, two one end of gag lever post 10 away from installing plate 1 are equipped with fixed block 7, and two fixed blocks 7 are symmetrical arranged, two gag lever posts
Equal sliding sleeve is connected to movable block 9 on 10, and oil sealing mounting base 5, the side of oil sealing mounting base 5 are fixedly connected between two movable blocks 9
Wall is equipped with placing groove 4, is equipped with oil seal 6 in placing groove 4, locking machine is equipped with the opposite two side walls of oil sealing mounting base 5
Structure, the middle part of 5 side wall of oil sealing mounting base are equipped with supports block 2, and the side wall of supports block 2 is equipped with contiguous block 16, on the side wall of contiguous block 16
Two supporting rods 15 are rotatably connected to, the side wall of installing plate 1 is equipped with two flutings, and two supporting rods 15 are away from contiguous block 16
One end extends through two and slots and extend in installation cavity 17, and one end that two supporting rods 15 are located in installation cavity 17 turns respectively
Dynamic to be connected on two movable blocks 13, when use, fixed block 7 was fixedly mounted on the engine by clamping screw 8, is rotated and is turned
Lever 11, driving threaded rod 12 rotate, and two movable blocks 13 is moved along guide rod 14 is close to each other, by supporting rod 15,
Support oil sealing mounting base 5 moves, until oil seal 6 seals bent axle junction, realizes oil sealing.
Run through in the present invention, on the side wall of fixed block 7 and be equipped with clamping screw 8.Retaining mechanism includes fixture block 22, oil sealing installation
Seat 5 is internally provided with mounting hole 19, and fixture block 22 is located in mounting hole 19, and the side wall of fixture block 22 is equipped with pull rod 24, and pull rod 24 is remote
From one end penetrating mounting holes 19 of fixture block 22 side wall and extend to the outside of oil sealing mounting base 5, be socketed with spring on pull rod 24
23, one end of spring 23 is connected on fixture block 22, and the other end of spring 23 is connected on the side wall of mounting hole 19, oil seal 6
Side wall is equipped with the card slot 21 with 22 position correspondence of fixture block, and one end penetrating mounting holes 19 of the fixture block 22 away from pull rod 24 simultaneously extend to
In card slot 21, since oil seal 6 is easy to wear, it is necessary to replace, when replacement, need to only pull pull rod 24 to move fixture block 22 out of card slot 21
Go out, you can oil seal 6 is removed and is replaced.Multiple heat sinks 3 are equidistantly equipped with the side wall of oil sealing mounting base 5, are effectively carried
High heat-sinking capability, reduces the aging speed of oil seal 6.The material of heat sink 3 is aluminium flake.Rotating bar 11 is located at the outside of installing plate 1
One end be equipped with and its integrally formed handle.
In the present invention, fixed block 7 is fixedly mounted on the engine by clamping screw 8 during use, rotates rotating bar 11,
Driving threaded rod 12 rotates, and two movable blocks 13 is moved along guide rod 14 is close to each other, by supporting rod 15, supports oil sealing
Mounting base 5 moves, until oil seal 6 seals bent axle junction, realizes oil sealing, since oil seal 6 is easy to wear, it is necessary to replace,
Pull rod 24 need to be only pulled to remove fixture block 22 out of card slot 21 during replacement, you can to remove oil seal 6 and replaced.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of crankshaft of diesel engine Rear oil seal modular construction, including installing plate（1）, it is characterised in that the installing plate（1）It is interior
Portion is equipped with installation cavity（17）, the installation cavity（17）It is interior to be equipped with guide rod（14）, the guide rod（14）Both ends fix respectively
It is connected to installation cavity（17）In opposite two side walls, the guide rod（14）Upper sliding sleeve is connected to two movable blocks（13）, institute
State installation cavity（17）Be internally threaded bar（12）, the threaded rod（12）Through two movable blocks（13）, the threaded rod
（12）Both ends be respectively equipped with the opposite screw thread of hand of spiral, two movable blocks（13）Threaded rod is threaded in respectively
（12）Both sides, the threaded rod（12）One end be rotatably connected on installation cavity（17）Side wall on, the threaded rod（12）'s
The other end is fixedly connected with rotating bar（11）, the rotating bar（11）Away from threaded rod（12）One end run through installation cavity（17）'s
Side wall simultaneously extends to installing plate（1）Outside, the installing plate（1）Side wall be equipped with two gag lever posts（10）, described in two
Gag lever post（10）It is located at installing plate respectively（1）Both sides, two gag lever posts（10）Away from installing plate（1）One end be equipped with
Fixed block（7）, two fixed blocks（7）It is symmetrical arranged, two gag lever posts（10）Upper equal sliding sleeve is connected to movable block
（9）, two movable blocks（9）Between be fixedly connected with oil sealing mounting base（5）, the oil sealing mounting base（5）Side wall on set
There is placing groove（4）, the placing groove（4）It is interior to be equipped with oil seal（6）, the oil sealing mounting base（5）In opposite two side walls
Equipped with retaining mechanism, the oil sealing mounting base（5）The middle part of side wall is equipped with supports block（2）, the supports block（2）Side wall be equipped with connect
Connect block（16）, the contiguous block（16）Side wall on be rotatably connected to two supporting rods（15）, the installing plate（1）Side wall on
Equipped with two flutings, two supporting rods（15）Away from contiguous block（16）One end extend through two and slot and extend to peaces
It behave affectedly（17）It is interior, two supporting rods（15）Positioned at installation cavity（17）Interior one end is rotatably connected on two movable blocks respectively
（13）On.
A kind of 2. crankshaft of diesel engine Rear oil seal modular construction according to claim 1, it is characterised in that the fixed block
（7）Side wall on through being equipped with clamping screw（8）.
A kind of 3. crankshaft of diesel engine Rear oil seal modular construction according to claim 1, it is characterised in that the retaining mechanism
Including fixture block（22）, the oil sealing mounting base（5）Be internally provided with mounting hole（19）, fixture block（22）Positioned at mounting hole（19）It is interior,
The fixture block（22）Side wall be equipped with pull rod（24）, the pull rod（24）Away from fixture block（22）One end penetrating mounting holes（19）
Side wall and extend to oil sealing mounting base（5）Outside, the pull rod（24）On be socketed with spring（23）, the spring（23）'s
One end is connected to fixture block（22）On, the spring（23）The other end be connected to mounting hole（19）Side wall on, the oil seal
（6）Side wall be equipped with and fixture block（22）The card slot of position correspondence（21）, the fixture block（22）Away from pull rod（24）One end pass through
Wear mounting hole（19）And extend to card slot（21）It is interior.
A kind of 4. crankshaft of diesel engine Rear oil seal modular construction according to claim 1, it is characterised in that the oil sealing installation
Seat（5）Side wall on be equidistantly equipped with multiple heat sinks（3）.
A kind of 5. crankshaft of diesel engine Rear oil seal modular construction according to claim 4, it is characterised in that the heat sink
（3）Material be aluminium flake.
A kind of 6. crankshaft of diesel engine Rear oil seal modular construction according to claim 1, it is characterised in that the rotating bar
（11）Positioned at installing plate（1）The one end in outside is equipped with and its integrally formed handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711425811.6A CN107905910A (en) | 2017-12-26 | 2017-12-26 | A kind of crankshaft of diesel engine Rear oil seal modular construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711425811.6A CN107905910A (en) | 2017-12-26 | 2017-12-26 | A kind of crankshaft of diesel engine Rear oil seal modular construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107905910A true CN107905910A (en) | 2018-04-13 |
Family
ID=61870897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711425811.6A Pending CN107905910A (en) | 2017-12-26 | 2017-12-26 | A kind of crankshaft of diesel engine Rear oil seal modular construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107905910A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108716941A (en) * | 2018-06-21 | 2018-10-30 | 迈格仪表(成都)有限公司 | A kind of magnetostriction measuring multiple parameters transmitter |
| CN109826720A (en) * | 2018-04-19 | 2019-05-31 | 浙江吉利控股集团有限公司 | Crankshaft oil seal device and automobile engine |
| CN112555269A (en) * | 2020-12-08 | 2021-03-26 | 宁波捷成轴业有限公司 | Transmission shaft with dustproof oil seal structure |
-
2017
- 2017-12-26 CN CN201711425811.6A patent/CN107905910A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109826720A (en) * | 2018-04-19 | 2019-05-31 | 浙江吉利控股集团有限公司 | Crankshaft oil seal device and automobile engine |
| CN109826720B (en) * | 2018-04-19 | 2020-07-21 | 浙江吉利控股集团有限公司 | Crankshaft oil seal device and automobile engine |
| CN108716941A (en) * | 2018-06-21 | 2018-10-30 | 迈格仪表(成都)有限公司 | A kind of magnetostriction measuring multiple parameters transmitter |
| CN108716941B (en) * | 2018-06-21 | 2024-02-02 | 迈格仪表(成都)有限公司 | Magnetostrictive multi-parameter measuring transmitter |
| CN112555269A (en) * | 2020-12-08 | 2021-03-26 | 宁波捷成轴业有限公司 | Transmission shaft with dustproof oil seal structure |
| CN112555269B (en) * | 2020-12-08 | 2022-04-29 | 宁波捷成轴业有限公司 | Transmission shaft with dustproof oil seal structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180413 |
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| WD01 | Invention patent application deemed withdrawn after publication |