CN214093045U - Mechanical sealing structure for strengthening shaft end protection of motor - Google Patents
Mechanical sealing structure for strengthening shaft end protection of motor Download PDFInfo
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- CN214093045U CN214093045U CN202120032327.2U CN202120032327U CN214093045U CN 214093045 U CN214093045 U CN 214093045U CN 202120032327 U CN202120032327 U CN 202120032327U CN 214093045 U CN214093045 U CN 214093045U
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Abstract
The utility model relates to a mechanical seal technical field just discloses a mechanical seal structure who strengthens motor shaft end protection, including motor housing, the inside mid-mounting of motor housing has the coil, the internally mounted of coil has the rotor, the roll axis has been cup jointed in the inside activity of rotor. This strengthen mechanical seal structure of motor axle head protection, internally mounted through installing the motor front end housing has double-deck skeleton oil blanket, wherein the outside of roll axis is hugged closely to the inboard of double-deck skeleton oil blanket, make can start the effect of sealing up the motor inside, reverse screw thread has been seted up to the inside of installing the thread seal cover simultaneously, make when the roll axis rotates, can drive the inside that fluid can be portable to the roll axis through the screw thread, make motor axle head skeleton oil blanket life-span greatly improve, reduce the oil blanket rate of change, reduce the inside oil feed phenomenon of motor simultaneously, make the inside clean and cool of motor, avoid causing the encoder to report to the police.
Description
Technical Field
The utility model relates to a mechanical seal technical field specifically is a mechanical seal structure who strengthens motor shaft end protection.
Background
The main motor of the rapier loom produced at present in China mainly adopts a three-phase alternating current asynchronous motor or a switched reluctance motor. The electric motor drives the gripper loom to operate, usually via a belt-driven transmission. The existing transmission structure has the problems of complex structure, large volume, high cost, high energy consumption and the like, so that a mechanical sealing structure for reinforcing the protection of the motor shaft end is developed, but the existing mechanical sealing structure for reinforcing the protection of the motor shaft end has certain problems in use.
In the existing mechanical sealing structure for strengthening the protection of the motor shaft end, a reduction gearbox is used as one of power conversion devices, a large amount of oil is needed to cool the device, and the oil in the reduction gearbox is excessive, so that the oil is often sprayed to the motor shaft end when the servo motor runs at high speed; the shaft end of the motor bears large load impact, the motor generally has skeleton oil seal abrasion and poor sealing after running for a period of time, so that oil enters the servo motor, and the faults of the encoder and the wiring end are caused after the oil is gasified at high temperature.
SUMMERY OF THE UTILITY MODEL
The mechanical seal structure to current enhancement motor shaft end protection not enough, the utility model provides a mechanical seal structure of enhancement motor shaft end protection possesses the stability that increases end cap department is sealed, reduces inside the oil pressure gets into the motor, and the problem of proposing in the above-mentioned background art has been solved to the advantage that convenient internal fluid got rid of when oil pressure is too big again simultaneously.
The utility model provides a following technical scheme: a mechanical sealing structure for strengthening the protection of a motor shaft end comprises a motor shell, wherein a winding ring is arranged in the middle of the interior of the motor shell, a rotor is arranged in the winding ring, a rolling shaft is sleeved on the inner portion of the rotor in a movable mode, a back sealing plate is fixedly connected to the other side of the motor shell, a protective shell is sleeved on the outer portion of the back sealing plate in a movable mode, a first bearing is sleeved on the outer portion of the other side of the rolling shaft in a movable mode, a fan connecting column is fixedly connected to the other side of the rolling shaft, an outer sealing cover is sleeved on the outer portion of the protective shell in a movable mode, a first fastening nut is arranged on the outer portion of the outer sealing cover, a motor front end cover is sleeved on the outer portion of the front end of the motor shell in a movable mode, a second bearing is arranged in the front end cover of the motor, a sealing gasket is arranged on the lower portion of the front end of the motor, a second fastening nut is arranged on the outer portion of the sealing gasket of the bearing, the outer side supporting plate is mounted on the outer portion of the motor front end cover, the piston is mounted inside one side of the outer side supporting plate, the double-layer framework oil seal is mounted in the middle of the inner portion of the motor front end cover, the threaded sealing sleeve is movably sleeved on one side of the motor front end cover, and the fastening nut III is mounted on the outer portion of the threaded sealing sleeve.
Preferably, the inner part of the second bearing is in contact with the outer part of the rolling shaft, and the second bearing and the first bearing have the same structure.
Preferably, reverse threads are formed in the threaded sealing sleeve and are in contact with the outside of the rolling shaft, and the fastening nut III penetrates through the outside of the threaded sealing sleeve and is simultaneously screwed into the inside of the motor front end cover.
Preferably, the inside of outside backup pad is seted up flutedly, the inside recess of seting up of outside backup pad extends to the outside of roll axis, the piston activity cup joints in the inside of recess, the lower part of seting up the recess at outside backup pad opposite side is installed to the double-deck skeleton oil blanket, the inboard of double-deck skeleton oil blanket and the external contact of roll axis, the outside of double-deck skeleton oil blanket and the inner wall contact of motor front end housing.
Preferably, the fan is installed in the outside of fan spliced pole, bearing one is installed in the middle part of protective housing, the outside of back closing plate, protective housing and outer sealed lid is seted up flutedly.
Preferably, the first fastening nut sequentially penetrates through the outer sealing cover and the protective shell and is fixedly sleeved in the outer side of the motor shell in a threaded manner.
With the mechanical seal structure contrast of current reinforced motor axle head protection, the utility model discloses possess following beneficial effect:
1. this strengthen mechanical seal structure of motor axle head protection, internally mounted through installing the motor front end housing has double-deck skeleton oil blanket, wherein the outside of roll axis is hugged closely to the inboard of double-deck skeleton oil blanket, make can start the effect of sealing up the motor inside, reverse screw thread has been seted up to the inside of installing the thread seal cover simultaneously, make when the roll axis rotates, can drive the inside that fluid can be portable to the roll axis through the screw thread, make motor axle head skeleton oil blanket life-span greatly improve, reduce the oil blanket rate of change, reduce the inside oil feed phenomenon of motor simultaneously, make the inside clean and cool of motor, avoid causing the encoder to report to the police.
2. This mechanical seal structure who strengthens motor shaft end protection has offered the outlet hole through the inside with outside backup pad, has the piston simultaneously at the internally mounted of oil outlet, when the oil pressure was too high, can take out the piston for can regularly retrieve fluid, solve fluid and to the impact problem of skeleton oil blanket, also carry out cyclic utilization to the fluid of leaking simultaneously, avoid extravagant.
Drawings
FIG. 1 is a schematic view of the main structure of the present invention;
FIG. 2 is a schematic sectional view of the main body of the structure of the present invention;
fig. 3 is a schematic view of the front section of the structure of the present invention.
In the figure: 1. a motor housing; 2. winding a coil; 3. a rotor; 4. a roll axis; 5. a back seal plate; 6. a protective housing; 7. a first bearing; 8. a fan connecting column; 9. an outer layer sealing cover; 10. fastening a first nut; 11. a motor front end cover; 12. a second bearing; 13. a bearing seal; 14. fastening a second nut; 15. an outer support plate; 16. a piston; 17. a double-layer framework oil seal; 18. a threaded seal cartridge; 19. and fastening a third nut.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, a mechanical seal structure for enhancing motor shaft end protection comprises a motor housing 1, a winding coil 2 is installed in the middle of the interior of the motor housing 1, a rotor 3 is installed in the winding coil 2, a rolling shaft 4 is movably sleeved in the rotor 3, a back seal plate 5 is fixedly connected to the other side of the motor housing 1, a protective housing 6 is movably sleeved in the exterior of the back seal plate 5, a bearing I7 is movably sleeved in the exterior of the other side of the rolling shaft 4, a fan connecting column 8 is fixedly connected to the other side of the rolling shaft 4, an outer seal cover 9 is movably sleeved in the exterior of the protective housing 6, a fastening nut I10 is installed outside the outer seal cover 9, a motor front end cover 11 is movably sleeved in the exterior of the front end of the motor housing 1, a bearing II 12 is installed in the interior of the motor front end cover 11, and a bearing seal gasket 13 is installed at the lower portion of the motor front end cover 11, the external mounting of bearing seal pad 13 has fastening nut two 14, and the external mounting of motor front end housing 11 has outside backup pad 15, and the internally mounted of outside backup pad 15 one side has piston 16, and the inside mid-mounting of motor front end housing 11 has double-deck skeleton oil blanket 17, and the activity of one side of motor front end housing 11 has cup jointed threaded seal cover 18, and the externally mounted of threaded seal cover 18 has fastening nut three 19.
The inside of the bearing II 12 is in contact with the outside of the rolling shaft 4, the structure of the bearing II 12 is the same as that of the bearing I7, the position of the rolling shaft 4 can be limited by respectively installing the bearing II 12 and the bearing I7 on two sides of the rolling shaft 4, and meanwhile, the bearing I7 and the bearing II 12 are bearing devices, so that the resistance of the rolling shaft 4 during rotation can be reduced, and the energy loss is reduced.
Wherein, reverse screw thread has been seted up to the inside of screw thread seal cover 18, reverse screw thread and the external contact of roll axis 4, the fixed cover machine of screw thread is in the inside of motor front end housing 11 one side when fastening nut three 19 passes the outside of screw thread seal cover 18, externally mounted at roll axis 4 front end has screw thread seal cover 18, screw thread is seted up to the inside of screw thread seal cover 18, and the screw thread is reverse screw thread, the external contact of screw thread and roll axis 4 front end simultaneously, make avoid the direct impact of oil pressure to the skeleton oil blanket, the screw direction on the screw thread seal cover 18 is opposite with the actual direction of rotation of motor, fluid has been ensured and has been discharged outward, make fluid to the impact problem of skeleton oil blanket, also carry out cyclic utilization to the fluid of leaking simultaneously, avoid extravagant.
Wherein, the inside of the outer side supporting plate 15 is provided with a groove, the groove arranged inside the outer side supporting plate 15 extends to the outside of the rolling shaft 4, the piston 16 is movably sleeved inside the groove, the double-layer framework oil seal 17 is arranged at the lower part of the groove arranged at the other side of the outer side supporting plate 15, the inner side of the double-layer framework oil seal 17 is contacted with the outside of the rolling shaft 4, the outer side of the double-layer framework oil seal 17 is contacted with the inner wall of the motor front end cover 11, the double-layer framework oil seal 17 is arranged inside the motor front end cover 11, and the double-layer framework oil seal 17 is contacted with the outside of the rolling shaft 4 to seal the inside of the device, thereby increasing the sealing performance when the device is used, greatly improving the service life of the motor shaft end framework oil seal, reducing the replacement rate of the oil seal, meanwhile, the groove arranged inside the outer side supporting plate 15 is provided, and the piston 16 is movably sleeved inside the groove, make through the inside of piston 16 joint at the recess for can carry out sealed effect to the recess, when the inside oil pressure of motor front end housing 11 is higher simultaneously, through taking out piston 16, make can carry out exhaust effect to inside fluid.
Wherein, the fan is installed in fan spliced pole 8's the outside, the middle part at protecting sheathing 6 is installed to bearing 7, back closing plate 5, protecting sheathing 6 and the outside of outer sealed lid 9 are seted up flutedly, there is the fan through the externally mounted with device fan spliced pole 8, install the inside at protecting sheathing 6 simultaneously in device bearing 7, the effect of centre gripping can be carried out when making to device bearing 7 installation, device back closing plate 5 simultaneously, protecting sheathing 6 and the outside of outer sealed lid 9 are seted up flutedly, make the effect of conveniently carrying out the transmission to gas, the starter motor simultaneously, make and to drive 8 outside fans of fan spliced pole and rotate, make and to carry out radiating effect inside the motor.
Wherein, fastening nut 10 passes outer sealed lid 9 in proper order, and protective housing 6 screw thread fixed cover is fixed in the inside in motor housing 1 outside simultaneously, passes outer sealed lid 9 and protective housing 6 in proper order through installing fastening nut 10 for can drive the fixed inside of connecting in the motor housing 1 outside of fastening nut 10 screw thread fixed cover, conveniently carry out the fixed effect of centre gripping when making multiplicable device use, steadiness and convenience when multiplicable device installation for this reason.
The working principle is as follows: when in use, a second bearing 12 is arranged between the joint of the front end cover 11 of the motor and the motor shell 1, a bearing sealing gasket 13 is arranged inside the second bearing 12, and a second fastening nut 14 is rotated simultaneously to drive the position of the second bearing 12 to limit, a double-layer framework oil seal 17 is arranged in the middle of the inside of the front end cover 11 of the motor, and a thread sealing sleeve 18 is arranged outside the motor, wherein the thread sealing sleeve 18 is fixedly sleeved by a third fastening nut 19 through threads, so that the position of the thread sealing sleeve 18 is limited, reverse threads are arranged inside the thread sealing sleeve 18, so that when in use, when the rolling shaft 4 of the device rotates, the rolling shaft 4 and the double-layer framework oil seal 17 can be driven to reversely rotate, therefore, the liquid inside the rolling shaft is driven to move inwards through the thread sealing sleeve 18, and the phenomenon of liquid leakage is avoided, meanwhile, when the oil pressure in the front end cover 11 of the motor is too high, the piston 16 is taken down, so that the oil is driven to be discharged from the inside of the small hole formed in the outer side supporting plate 15, and the effect of recycling the oil is facilitated when the device is additionally used.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a mechanical seal structure of reinforcing motor shaft end protection, includes motor housing (1), its characterized in that: the motor is characterized in that a winding coil (2) is mounted in the middle of the interior of a motor shell (1), a rotor (3) is mounted in the interior of the winding coil (2), a rolling shaft (4) is sleeved on the inner portion of the rotor (3), a back sealing plate (5) is fixedly connected to the other side of the motor shell (1), a protective shell (6) is sleeved on the outer portion of the back sealing plate (5), a first bearing (7) is sleeved on the outer portion of the other side of the rolling shaft (4), a fan connecting column (8) is fixedly connected to the other side of the rolling shaft (4), an outer sealing cover (9) is sleeved on the outer portion of the protective shell (6), a first fastening nut (10) is mounted on the outer portion of the outer sealing cover (9), a motor front end cover (11) is sleeved on the outer portion of the front end of the motor shell (1), and a second bearing (12) is mounted in the motor front end cover (11), the bearing sealing structure is characterized in that a bearing sealing gasket (13) is installed on the lower portion of the motor front end cover (11), a fastening nut II (14) is installed on the outer portion of the bearing sealing gasket (13), an outer side supporting plate (15) is installed on the outer portion of the motor front end cover (11), a piston (16) is installed inside one side of the outer side supporting plate (15), a double-layer framework oil seal (17) is installed in the middle of the inner portion of the motor front end cover (11), a thread sealing sleeve (18) is movably sleeved on one side of the motor front end cover (11), and a fastening nut III (19) is installed outside the thread sealing sleeve (18).
2. A mechanical seal structure for reinforcing shaft end protection of an electric motor according to claim 1, wherein: the inner part of the second bearing (12) is in contact with the outer part of the rolling shaft (4), and the second bearing (12) and the first bearing (7) have the same structure.
3. A mechanical seal structure for reinforcing shaft end protection of an electric motor according to claim 1, wherein: reverse threads are formed in the threaded sealing sleeve (18) and are in contact with the outer portion of the rolling shaft (4), and the fastening nut III (19) penetrates through the outer portion of the threaded sealing sleeve (18) and is arranged in the motor front end cover (11) side in a threaded fixing sleeve machine.
4. A mechanical seal structure for reinforcing shaft end protection of an electric motor according to claim 1, wherein: the inside of outside backup pad (15) is seted up flutedly, the inside recess of seting up of outside backup pad (15) extends to the outside of rolling axle (4), piston (16) activity cup joints the inside at the recess, the lower part of recess is seted up at outside backup pad (15) opposite side to double-deck skeleton oil blanket (17) installation, the inboard of double-deck skeleton oil blanket (17) and the external contact of rolling axle (4), the outside of double-deck skeleton oil blanket (17) and the inner wall contact of motor front end housing (11).
5. A mechanical seal structure for reinforcing shaft end protection of an electric motor according to claim 1, wherein: the fan is installed in the outside of fan spliced pole (8), the middle part in protective housing (6) is installed in bearing (7), the outside of back closing plate (5), protective housing (6) and outer sealed lid (9) is seted up flutedly.
6. A mechanical seal structure for reinforcing shaft end protection of an electric motor according to claim 1, wherein: the first fastening nut (10) sequentially penetrates through the outer-layer sealing cover (9) and the protective shell (6) and is fixedly sleeved in the outer side of the motor shell (1) in a threaded mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120032327.2U CN214093045U (en) | 2021-01-07 | 2021-01-07 | Mechanical sealing structure for strengthening shaft end protection of motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120032327.2U CN214093045U (en) | 2021-01-07 | 2021-01-07 | Mechanical sealing structure for strengthening shaft end protection of motor |
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| Publication Number | Publication Date |
|---|---|
| CN214093045U true CN214093045U (en) | 2021-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120032327.2U Active CN214093045U (en) | 2021-01-07 | 2021-01-07 | Mechanical sealing structure for strengthening shaft end protection of motor |
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| CN (1) | CN214093045U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117870741A (en) * | 2024-03-13 | 2024-04-12 | 长春禹衡光学有限公司 | Grating encoder protection system and encoder |
-
2021
- 2021-01-07 CN CN202120032327.2U patent/CN214093045U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117870741A (en) * | 2024-03-13 | 2024-04-12 | 长春禹衡光学有限公司 | Grating encoder protection system and encoder |
| CN117870741B (en) * | 2024-03-13 | 2024-05-17 | 长春禹衡光学有限公司 | Grating encoder protection system and encoder |
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