CN205298034U - Arrange water pump rotor seal structure - Google Patents
Arrange water pump rotor seal structure Download PDFInfo
- Publication number
- CN205298034U CN205298034U CN201521042411.3U CN201521042411U CN205298034U CN 205298034 U CN205298034 U CN 205298034U CN 201521042411 U CN201521042411 U CN 201521042411U CN 205298034 U CN205298034 U CN 205298034U
- Authority
- CN
- China
- Prior art keywords
- sealing
- ring
- fore bearing
- inner core
- draining pump
- 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.)
- Expired - Fee Related
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract description 5
- 238000007789 sealing Methods 0.000 claims abstract description 107
- 239000000758 substrate Substances 0.000 claims description 13
- 238000001125 extrusion Methods 0.000 claims description 10
- 230000003044 adaptive effect Effects 0.000 claims description 3
- 239000013536 elastomeric material Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 abstract 2
- 239000002775 capsule Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 4
- 230000032683 aging Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses an arrange water pump rotor seal structure, locate the seal cover on the fore bearing including locating epaxial fore bearing of commentaries on classics and cover, the fore bearing be cylindrical, be equipped with in the seal cover with the inner tube of fore bearing appearance adaptation, the fore bearing adaptation is in the inner tube, the fore bearing cover is established to the cover on the seal cover, the periphery of fore bearing cover is equipped with the fixed loop, arranges the fixed slot that is equipped with on the water aspirator with the fixed loop joint, the central authorities of fore bearing cover are equipped with the urceolus, the fore bearing cover is established on the inner tube of seal cover through outer barrel casing, electric motor rotor's pivot is passed the fore bearing and is set up and stretches out outside the fore bearing overlaps in the shaft hole of inner tube and urceolus central authorities. Its electric motor rotor of row water pump seal structure that it had solved prior art is effectively intake easily, influences drain pump life's problem, the utility model discloses the life that sealing performance is good, can effectively prolong the drain pump has very high practical value.
Description
Technical field
This utility model relates to drainage pump of washing machine technical field, particularly relates to the draining pump rotor seal structure of a kind of good seal performance.
Background technology
Sealing ring is simply set on draining pump motor shaft and bearing bracket stand by the draining pump rotor seal mode of prior art simply, make the rotating shaft of motor and the current isolation of shell and impeller side, this sealing sealing structure effect is bad, the rotor of draining pump is easily intake, thus shortening the service life of draining pump. The day for announcing is on July 4th, 2012, the Chinese patent document that notification number is CN101882828B discloses a kind of motor shaft sealing device, this device includes axle capsule body, end cap and lining, described axle envelope shell one end is arranged on electric motor end cap, the other end is provided with end cap, and described lining is enclosed within motor shaft, is provided with sealing member between described axle capsule body and lining; It is provided with in described end cap and allows the through hole of motor shaft traverse, described end cap stretches in the part in axle capsule body and is provided with the piston for squeeze sealing member between axle capsule body, described piston is circumferentially positioned in the part that end cap stretches in axle capsule body, is provided with the pressure port of pressure for providing piston press sealing member between described axle capsule body and end cap; It is provided with gap between described sealing member and lining; Described piston is provided with upper sealing ring on the contact surface between one end of end cap and axle capsule body; Described piston and end cap stretch in and are provided with lower seal on the contact surface between the part in axle capsule body; Described end cap and the contact surface of axle capsule body are provided with exterior seal ring; It is provided with inner seal ring between described axle capsule body and the contact surface of electric motor end cap; Described gasket end and motor shaft upper groove place are provided with tight loop; Middle sealing ring it is provided with in the middle part of described lining and between motor shaft. This device is applicable to deep well submerged pump, it is possible to prevent the water in the external world from entering motor internal preferably, but structure is complicated, costly.
Utility model content
The purpose of this utility model is for solving the problems referred to above that prior art exists, it is provided that a kind of draining pump rotor seal structure, the rotor place to solve prior art easily intakes, the problem affecting draining pump service life.
This utility model be employed technical scheme comprise that by the above-mentioned technical problem of solution, a kind of draining pump rotor seal structure, supporting and sealing for rotor, including the fore bearing being located in rotating shaft and be sheathed on the sealing shroud on fore bearing, described fore bearing is cylindrical, it is provided with in sealing shroud and the inner core of fore bearing external shape fits, fore bearing fits in inner core, sheathed front axle bearing sleeve on sealing shroud, the periphery of front axle bearing sleeve is provided with retainer ring, the draining pump pump housing is provided with the fixing groove with retainer ring clamping, the central authorities of front axle bearing sleeve are provided with urceolus, front axle bearing sleeve is set on the inner core of sealing shroud by urceolus, the rotating shaft of rotor is through fore bearing and is arranged on the axis hole of inner core and urceolus central authorities and stretches out outside front axle bearing sleeve. fore bearing of the present utility model is used for supporting rotating shaft, the periphery of front axle bearing sleeve is fixed on the pump housing of draining pump, the inner side of sealing shroud is for the sealing waterproof to rotor shaft, outer circumferential side is for the sealing waterproof between rotor and the pump housing, namely baffle ring is for sealing between rotor and the pump housing, inner core for disposing fore bearing sealing so that it is guaranteed that sealing waterproof between rotor and impeller, ensure that the sealed waterproof effect of rotor so on the whole, the sealing structural electromotor rotor place solving prior art easily intakes, the problem affecting draining pump service life.
As preferably, sealing shroud includes a ring-type substrate, substrate is provided with annular platform, the inner core described in the axially extending composition of inner rim of ring-type substrate, one end of inner core forms the extrusion ring vertical with inner core axis to contract, and the periphery of ring-type substrate is provided with and seals, with draining pump pump housing sealing strip, the baffle ring coordinated, and is provided with groove between baffle ring and annular platform, the cross section of groove is rectangular, and baffle ring is provided with locating slot near the inwall of lower trench; Fore bearing puts and is provided with the lower side ring adaptive with described groove, and lower side ring is provided with the location chimb coordinated with locating slot. Lower side ring and the ditch slot fit front axle bearing sleeve for fixed rotor, the extrusion ring that its plane of a loop is vertical with inner core axis produces squeezing action for countershaft, time actually used, axis hole (extrusion ring endoporus) adopts interference fit with rotating shaft, even if so sealing shroud abrasion or aging, also ensures that the sealing waterproof between rotor and impeller. Locating slot on the inwall of lower trench coordinates with the location chimb on the following ring of front axle bearing sleeve and is used for fixing front axle bearing sleeve, can strengthen sealing function simultaneously.
As preferably, the outer wall of fore bearing is provided with seal groove, and inner core inwall is provided with and seals, with seal groove, the sealing internal ring coordinated, and the cross section of described seal groove is rectangular, seals the cross section semicircular in shape of internal ring, and the height of projection sealing internal ring is 0.8-1 millimeter. Seal groove on the outer wall of fore bearing coordinates with the sealing internal ring of inner core inwall, it is possible to improve sealing effectiveness.
As preferably, the lateral wall of sealing shroud baffle ring is provided with the sealing outer shroud of projection, and described sealing outer shroud is 2, and the height of projection sealing outer shroud is 0.3-0.5 millimeter. Baffle ring lateral wall arranges sealing outer shroud and can improve sealing effectiveness further.
As preferably, the axis hole top of sealing shroud is provided with upwardly extending annular seal lip, and the outer peripheral face of sealing lip is up-small and down-big taper, and the cone-apex angle of described taper is 25-35 degree. Sealing lip can strengthen the sealing at axis hole position, and when axis hole wear and aging, sealing lip can play the effect supplementing sealing.
As preferably, the medial wall of sealing lip is provided with saw-toothed projections in the form of a ring. The internal diameter of sealing lip is slightly larger than the diameter of axis hole, this makes in an initial condition, the sealing of sealing shroud and rotating shaft is based on axis hole, sealing lip is then with serrated portion and shaft contacts, after wearing and tearing in axis hole place, the serrated portion of sealing lip is also worn and torn accordingly, and the sealing function that now sealing lip is risen is manifested; Such structure can avoid original state lower sleeve gasket and shaft contacts too closely to affect the rotation of rotating shaft.
As preferably, between the extrusion ring of sealing shroud and inner core, angled transition is connected, and its connecting portion constitutes pyramidal structure, and the top of fore bearing is provided with the cone structure of correspondence. Pyramidal structure can utilize the axial compressive force of front axle bearing sleeve to provide pressure to extrusion ring, thus improving sealing property.
As preferably, sealing shroud is the homogeneity integrative-structure being made up of elastomeric material, and the external diameter of baffle ring is 20-22 millimeter, is highly 3-4 millimeter, and the internal diameter of inner core is 7-8 millimeter, and the total height of sealing shroud is 10-12 millimeter.
As preferably, the opening of fixing groove is provided with cone structure, and retainer ring is provided with the snap ring of outside projection triangular in shape, and front axle bearing sleeve is by the fixing clamping of snap ring and the pump housing. Cone structure constitutes the spigot surface that outer imperial palace is little, it is possible to facilitate front axle bearing sleeve clamping, and it is fixing groove that the snap ring of projection triangular in shape snaps in the pump housing, for front axle bearing sleeve is fixed on the pump housing.
The beneficial effects of the utility model are: it efficiently solves its motor shaft of draining pump packing structure of prior art and easily intakes, the problem affecting draining pump service life, this utility model good seal performance, can effectively extend service life of draining pump, there is significantly high practical value.
Accompanying drawing explanation
Fig. 1 is a kind of structure sectional view of the present utility model;
Fig. 2 is a kind of partial structurtes sectional view of the present utility model;
Fig. 3 is a kind of structure sectional view of this utility model fore bearing;
Fig. 4 is a kind of structure sectional view of this utility model sealing shroud;
Fig. 5 is a kind of structure sectional view of this utility model front axle bearing sleeve.
In figure: 1. rotating shaft, 2. fore bearing, 3. sealing shroud, 4. inner core, 5. front axle bearing sleeve, 6. retainer ring, the 7. pump housing, 8. fixing groove, 9. urceolus, 10. rotor, 11. axis holes, 12. ring-type substrates, 13. annular platforms, 14. extrusion ring, 15. sealing strips, 16. baffle rings, 17. grooves, 18. locating slot, 19. times side rings, 20. location chimbs, 21. seal grooves, 22. sealing internal ring, 23. seal outer shroud, 24. sealing lips, 25. snap rings.
Detailed description of the invention
By the examples below, and in conjunction with accompanying drawing the detailed description of the invention of technical solutions of the utility model is further described.
Embodiment 1
In the such as embodiment 1 shown in Fig. 1 Fig. 2, a kind of draining pump rotor seal structure, supporting and sealing for rotor, including the fore bearing 2 being located in rotating shaft 1 and be sheathed on the sealing shroud 3 on fore bearing, described fore bearing is cylindrical, the outer wall of fore bearing is provided with seal groove 21(and sees Fig. 3), the inner core 4 with fore bearing external shape fits it is provided with in sealing shroud, fore bearing fits in inner core, inner core inwall is provided with the sealing internal ring 22(coordinated with seal groove sealing and sees Fig. 4), the cross section of described seal groove is rectangular, seal the cross section semicircular in shape of internal ring, the height of projection sealing internal ring is 0.8-1 millimeter.
Sealing shroud includes a ring-type substrate 12, substrate is provided with annular platform 13, the inner core described in the axially extending composition of inner rim of ring-type substrate, one end of inner core forms the extrusion ring 14 vertical with inner core axis to contract, between the extrusion ring of sealing shroud and inner core, angled transition is connected, its connecting portion constitutes pyramidal structure, and the top of fore bearing is provided with the cone structure of correspondence.The periphery of ring-type substrate is provided with and seals, with draining pump pump housing sealing strip 15, the baffle ring 16 coordinated, and the lateral wall of baffle ring is provided with the sealing outer shroud 23 of projection, and described sealing outer shroud is 2, and the height of projection sealing outer shroud is 0.3-0.5 millimeter. Being provided with groove 17 between baffle ring and annular platform, the cross section of groove is rectangular, and baffle ring is provided with locating slot 18 near the inwall of lower trench; Fore bearing puts and is provided with the lower side ring 19 adaptive with described groove, and lower side ring is provided with the location chimb 20 coordinated with locating slot.
Sheathed front axle bearing sleeve 5 on sealing shroud, the periphery of front axle bearing sleeve is provided with retainer ring 6, the draining pump pump housing 7 is provided with the fixing groove 8 with retainer ring clamping, the opening of fixing groove is provided with cone structure, retainer ring is provided with the snap ring 25 of outside projection triangular in shape, and front axle bearing sleeve is by the fixing clamping of snap ring and the pump housing. The central authorities of front axle bearing sleeve are provided with urceolus 9(and see Fig. 5), front axle bearing sleeve is set on the inner core of sealing shroud by urceolus, and the rotating shaft of rotor 10 is through fore bearing and is arranged on the axis hole 11 of inner core and urceolus central authorities and stretches out outside front axle bearing sleeve.
The axis hole top of sealing shroud is provided with upwardly extending annular seal lip 24, and the medial wall of sealing lip is provided with saw-toothed projections (not marking in figure) in the form of a ring. The outer peripheral face of sealing lip is up-small and down-big taper, and the cone-apex angle of described taper is 30 degree. Sealing shroud is the homogeneity integrative-structure being made up of elastomeric material, and the external diameter of baffle ring is 20-22 millimeter, is highly 3-4 millimeter, and the internal diameter of inner core is 7-8 millimeter, and the total height of sealing shroud is 10-12 millimeter.
Fore bearing of the present utility model is used for supporting rotating shaft, the periphery of front axle bearing sleeve is fixed on the pump housing of draining pump, the inner side of sealing shroud is for the sealing waterproof to rotor shaft, outer circumferential side is for the sealing waterproof between rotor and the pump housing, namely baffle ring is for sealing between rotor and the pump housing, inner core for disposing fore bearing sealing so that it is guaranteed that sealing waterproof between rotor and impeller; Ensure that the sealed waterproof effect of rotor so on the whole, the sealing structural electromotor rotor solving prior art is easily intake, the problem affecting draining pump service life.
Claims (9)
1. a draining pump rotor seal structure, supporting and sealing for rotor, it is characterized in that, including the fore bearing (2) being located in rotating shaft (1) and the sealing shroud (3) being sheathed on fore bearing, described fore bearing is cylindrical, the inner core (4) with fore bearing external shape fits it is provided with in sealing shroud, fore bearing fits in inner core, sheathed front axle bearing sleeve (5) on sealing shroud, the periphery of front axle bearing sleeve is provided with retainer ring (6), the draining pump pump housing (7) is provided with the fixing groove (8) with retainer ring clamping, the central authorities of front axle bearing sleeve are provided with urceolus (9), front axle bearing sleeve is set on the inner core of sealing shroud by urceolus, the rotating shaft of rotor (10) is through fore bearing and is arranged on the axis hole (11) of inner core and urceolus central authorities and stretches out outside front axle bearing sleeve.
2. draining pump rotor seal structure according to claim 1, it is characterized in that: sealing shroud includes a ring-type substrate (12), substrate is provided with annular platform (13), the inner core described in the axially extending composition of inner rim of ring-type substrate, one end of inner core forms the extrusion ring (14) vertical with inner core axis to contract, the periphery of ring-type substrate is provided with and seals, with draining pump pump housing sealing strip (15), the baffle ring (16) coordinated, groove (17) it is provided with between baffle ring and annular platform, the cross section of groove is rectangular, baffle ring is provided with locating slot (18) near the inwall of lower trench,Fore bearing puts and is provided with the lower side ring (19) adaptive with described groove, and lower side ring is provided with the location chimb (20) coordinated with locating slot.
3. draining pump rotor seal structure according to claim 1, it is characterized in that: the outer wall of fore bearing is provided with seal groove (21), inner core inwall is provided with and seals, with seal groove, the sealing internal ring (22) coordinated, the cross section of described seal groove is rectangular, sealing the cross section semicircular in shape of internal ring, the height of projection sealing internal ring is 0.8-1 millimeter.
4. draining pump rotor seal structure according to claim 1, it is characterised in that: the lateral wall of sealing shroud baffle ring is provided with the sealing outer shroud (23) of projection, and described sealing outer shroud is 2, and the height of projection sealing outer shroud is 0.3-0.5 millimeter.
5. draining pump rotor seal structure according to claim 1, it is characterised in that: the axis hole top of sealing shroud is provided with upwardly extending annular seal lip (24), and the outer peripheral face of sealing lip is up-small and down-big taper, and the cone-apex angle of described taper is 25-35 degree.
6. draining pump rotor seal structure according to claim 5, it is characterised in that: the medial wall of sealing lip is provided with saw-toothed projections in the form of a ring.
7. draining pump rotor seal structure according to claim 1, it is characterised in that: between the extrusion ring of sealing shroud and inner core, angled transition is connected, and its connecting portion constitutes pyramidal structure, and the top of fore bearing is provided with the cone structure of correspondence.
8. the draining pump rotor seal structure according to any one of claim 1-7, it is characterized in that: sealing shroud is the homogeneity integrative-structure being made up of elastomeric material, the external diameter of baffle ring is 20-22 millimeter, it it is highly 3-4 millimeter, the internal diameter of inner core is 7-8 millimeter, and the total height of sealing shroud is 10-12 millimeter.
9. the draining pump rotor seal structure according to any one of claim 1-7, it is characterized in that: the opening of fixing groove is provided with cone structure, retainer ring is provided with the snap ring (25) of outside projection triangular in shape, and front axle bearing sleeve is by the fixing clamping of snap ring and the pump housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521042411.3U CN205298034U (en) | 2015-12-15 | 2015-12-15 | Arrange water pump rotor seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521042411.3U CN205298034U (en) | 2015-12-15 | 2015-12-15 | Arrange water pump rotor seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205298034U true CN205298034U (en) | 2016-06-08 |
Family
ID=56431919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521042411.3U Expired - Fee Related CN205298034U (en) | 2015-12-15 | 2015-12-15 | Arrange water pump rotor seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205298034U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106051168A (en) * | 2016-06-24 | 2016-10-26 | 莫立云 | Oil seal bearing structure and cutter shaft assembly provided with same |
| CN108061022A (en) * | 2016-11-08 | 2018-05-22 | 德国福维克控股公司 | For the pump of wet type cleaning equipment |
| CN109442028A (en) * | 2018-12-20 | 2019-03-08 | 浙江三星机电股份有限公司 | A kind of sealing structure of novel shoe washing machine driving device |
| CN109489918A (en) * | 2018-12-28 | 2019-03-19 | 中国计量大学 | A kind of PE ball valve Micro blazed-grating testing agency |
| CN109586488A (en) * | 2019-01-25 | 2019-04-05 | 宁波市贤龙汽车配件有限公司 | A kind of tarpaulin motor |
| CN110152751A (en) * | 2019-05-24 | 2019-08-23 | 南华大学 | A kind of electrical pipette rifle |
-
2015
- 2015-12-15 CN CN201521042411.3U patent/CN205298034U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106051168A (en) * | 2016-06-24 | 2016-10-26 | 莫立云 | Oil seal bearing structure and cutter shaft assembly provided with same |
| CN108061022A (en) * | 2016-11-08 | 2018-05-22 | 德国福维克控股公司 | For the pump of wet type cleaning equipment |
| CN109442028A (en) * | 2018-12-20 | 2019-03-08 | 浙江三星机电股份有限公司 | A kind of sealing structure of novel shoe washing machine driving device |
| CN109442028B (en) * | 2018-12-20 | 2023-09-26 | 浙江三星机电股份有限公司 | Novel shoe washer driving device sealing structure |
| CN109489918A (en) * | 2018-12-28 | 2019-03-19 | 中国计量大学 | A kind of PE ball valve Micro blazed-grating testing agency |
| CN109586488A (en) * | 2019-01-25 | 2019-04-05 | 宁波市贤龙汽车配件有限公司 | A kind of tarpaulin motor |
| CN110152751A (en) * | 2019-05-24 | 2019-08-23 | 南华大学 | A kind of electrical pipette rifle |
| CN110152751B (en) * | 2019-05-24 | 2024-05-17 | 南华大学 | Electric pipette |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160608 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |