CN202597212U - Water pump shaft seal structure - Google Patents
Water pump shaft seal structure Download PDFInfo
- Publication number
- CN202597212U CN202597212U CN 201220217014 CN201220217014U CN202597212U CN 202597212 U CN202597212 U CN 202597212U CN 201220217014 CN201220217014 CN 201220217014 CN 201220217014 U CN201220217014 U CN 201220217014U CN 202597212 U CN202597212 U CN 202597212U
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- CN
- China
- Prior art keywords
- ring
- sealing lip
- seal structure
- spacer ring
- shaft seal
- 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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Abstract
The utility model discloses a water pump shaft seal structure. The utility model provides a water pump shaft seal structure which is capable of repairing leakage of shaft seal and comprises a casing body, isolation rings, a sealing lip, an oil mouth and an oil channel. The casing body comprises a common segment and an installation top ring. The sealing lip and isolation rings are arranged in the common segment, wherein the sealing lip is arranged between two isolation rings. The installation top ring is arranged on the common segment in connected mode and fastens the sealing lip and isolation rings in the common segment. The oil mouth is arranged on the top ring and communicated with the oil channel on the common segment. And a regulating isolation ring is arranged on an end face of the installation top ring and the end face is adjacent to the common segment. With the regulation effect of the regulating isolation ring in an axial direction, the sealing lip of the non-feeding shaft seal device can avoid a groove formed by abrasion on a shaft sleeve and is seamlessly contacted with the surface suffering no abrasion on the shaft sleeve again. Therefore, the function of the shaft seal is restored. The axial direction regulating isolation ring is easy to manufacture, install and regulate and low in investment, and saves labor and time.
Description
Technical field
The utility model relates to a kind of pump seal structure.
Background technique
Water pump is a requisite key equipment in each plumbing enterprise as the power equipment of plumbing industry, and it is the Frequently Asked Questions of water pump that pump seal leaks.The axle envelope that current various water pump adopts mainly contains packing shaft seal, no packing shaft seal and three kinds of forms of mechanical seal, and these three kinds of axle envelope forms respectively have pluses and minuses.No packing shaft seal relatively has the filler of need not consumption as water pump second generation gland seal device with packing shaft seal, the simple advantage of regular maintenance; To have purchase cost more again low with mechanical seal, and maintenance worker's technical ability is required relatively low advantage, therefore in the plumbing industry, is able to use comparatively widely.But sealing lip material and the line contact sealing form of not having the packing shaft seal device cause the wearing and tearing of water pump axle sleeve very fast relatively again, make no packing shaft seal device lose efficacy because of the axle sleeve wearing and tearing easily.
There is following problem in current no packing shaft seal:
The three seals lip of no packing shaft seal device adopts tetrafluoro rubber to process, and better elastic, self lubricity and wear resistance are arranged, and the friction factor between the axle sleeve is very little, and wearing and tearing are also just very little.But it has good embeddability simultaneously; During water pump operation; The ferric oxide particles that suspended matter in the medium, axle sleeve corrosion produce, the impurity particle in the molybdenum disulfide lithium grease etc. are easy to embed the lip position of sealing lip; Form the abrasive wear between sealing lip lip and the axle sleeve, on axle sleeve, form three road grooves.Because the elastic strain of sealing lip lip has the requirement that recovers original-shape, the groove that forms on the axle sleeve will be more and more darker, till the sealing lip lip affranchises the shape of state fully.And will no longer closely contact because of sealing lip lip position and axle sleeve and cause the inefficacy of axle envelope to cause leakage this moment.
The model utility content
The utility model technical problem to be solved provides a kind of pump seal structure that can repair shaft sealing leakage.
The utility model solves the pump seal structure that its technical problem adopted; Comprise housing, spacer ring, sealing lip, oil nozzle and oil duct; Said housing comprises general segment and apical ring is installed; Said sealing lip and spacer ring are arranged in the said general segment, and said sealing lip is arranged between two spacer rings, and said installation apical ring is installed to be connected on the general segment said sealing lip and spacer ring are fixed in the general segment; Said oil nozzle is arranged on to be installed on the apical ring and is connected with oil duct on being arranged on general segment, and said installation apical ring is near also being provided with the adjusting spacer ring on the end face of said general segment.
Further be that said adjusting spacer ring is interconnected by two cross-talk spacer rings at least to be formed.
Further be to interconnect through welding between the said sub-spacer ring.
Further be that said sub-spacer ring is provided with two.
Further be that said adjusting spacer ring deviates from the end face that apical ring is installed and is provided with end face seal structure.
Further be that said end face seal structure is formed with the seal ring that is arranged in the groove by being arranged on the sealed groove of regulating on the spacer ring.
Further be that the interior ring of said adjusting spacer ring is near one jiao of chamfering that is provided with 3 * 45 ° of general segment.
Further be that said sealing lip is provided with three.
The beneficial effect of the utility model is: utilize the regulating action of axial adjustment spacer ring, make the sealing lip of no packing shaft seal device avoid the groove that forms because of wearing and tearing on the axle sleeve, let sealing lip again with axle sleeve on not wear surface closely contact, recover the function of axle envelope.Axial adjustment spacer ring production method is simple, less investment, and the install adjustment method is simple, saving of work and time.The axial adjustment spacer ring can also repeated disassembled and assembled use in the no packing shaft seal device of same specification.The axial adjustment spacer ring is applied to water pump not to be had after the packing shaft seal device; Distributing position according to no packing shaft seal sealing lip; Can carry out such axial adjustment three times;, can the prolongation in working life of water pump axle sleeve be extended to about 24 months from original about 6 months to adjusting through three fold axis, reduced the consumption of water pump axle sleeve effectively; Simultaneously, carrying out a water pump axle sleeve replacing operation needs 4 maintenance worker's operations 2 days usually, only needs 2 maintenance worker's operations 0.5 day and install the operation of axial adjustment spacer ring additional, has greatly reduced cost of labor, has shortened maintenance duration.The application prospect that outbalance is arranged in the plumbing industry of using no packing shaft seal device water pump.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is a schematic representation of regulating spacer ring;
Fig. 3 is the wearing and tearing schematic representation of existing no filler pump seal;
Component, position and numbering among the figure: housing 1, spacer ring 2, sealing lip 3, oil nozzle 4, adjusting spacer ring 5, stuffing box 6, axle 7, wearing and tearing groove 8, general segment 11, installation apical ring 12.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further.
As shown in Figure 1; The utility model comprises housing 1, spacer ring 2, sealing lip 3, oil nozzle 4 and oil duct; Said housing 1 comprises general segment 11 and apical ring 12 is installed; Said sealing lip 3 is arranged in the said general segment 11 with spacer ring 2, and said sealing lip 3 is arranged between two spacer rings 2, and said installation apical ring 12 is installed to be connected on the general segment 11 said sealing lip 3 is fixed in the general segment 11 with spacer ring 2; Said oil nozzle 4 is arranged on to be installed on the apical ring 12 and is connected with oil duct on being arranged on general segment 11, and said installation apical ring 12 is regulated spacer ring 5 near also being provided with on the end face of said general segment 11.Traditional no packing shaft seal is as shown in Figure 3, and the wearing and tearing groove 8 that produces in its long-term using process can cause seal failure.The utility model is arranged between stuffing box 6 and the axle 7, and through static sealing, shaft sealing then realizes through sealing lip 3 between housing 1 and the stuffing box 6; Relative position between axle 7 and the stuffing box 6 immobilizes; After having used adjusting spacer ring 5, make and formed dislocation between parts such as housing 1, spacer ring 2 and sealing lip 3 and spools 7, the stuffing box 6 that sealing lip 3 has also formed dislocation with the wearing and tearing groove 8 of original formation owing to regulate the thickness of spacer ring 5; Axle 7 surfaces that contact with sealing lip 3 this moment are intact; This moment, whole axle envelope was recovered sealing function again, the thickness of regulating spacer ring 5 is set can realizes the distance that misplaces, controls this distance whole axle envelope is used repeatedly; Thereby prolongation at double the service time of no packing shaft seal, practiced thrift whole cost.
This structure can be transformed to existing no packing shaft seal; Promptly in failed no packing shaft seal, add and regulate spacer ring 5; Form the utility model structure thus, for the ease of install adjustment spacer ring 5, said adjusting spacer ring 5 is interconnected by two cross-talk spacer rings at least to be formed.To original failed no packing shaft seal; Just needn't extract whole housing 1 this moment, but at first unclamp the connection double-screw bolt, will not have packing shaft seal with crowbar and from water pump stuffing box 6, suitably transfer to; Make no packing shaft seal gland end face and water pump stuffing box 6 end faces separate suitable distance and needn't separate fully; Be convenient to install axial adjustment spacer ring 5, be example with two cross-talk spacer rings this moment, with the sub-spacer ring of two semicircles to being buckled between no packing shaft seal gland end face and water pump stuffing box 6 end faces; Electricity consumption is welded in the saw kerf place spot welding of sawing, makes two sub-spacer rings of semicircle be welded into one and regulates spacer ring 5.Can see thus when install adjustment spacer ring 5 and just practice thrift a large amount of operating procedures, effectively raise working efficiency.
In order better to realize sealing, as shown in Figure 1, said adjusting spacer ring 5 deviates from the end face that apical ring 12 is installed and is provided with end face seal structure.End face seal can be adopted modes such as sealer, seal ring, and for example end face seal structure is formed with the seal ring that is arranged in the groove by being arranged on the sealed groove of regulating on the spacer ring 5.
Concrete, as shown in Figure 2, the interior ring of said adjusting spacer ring 5 is near one jiao of chamfering that is provided with 3 * 45 ° of general segment 11.When repeatedly regulating spacer ring 5 realization axial adjustment, generally be three times, except that the first time, remaining regulates spacer ring 5 can no longer carry out chamfering.
Claims (8)
1. pump seal structure; Comprise housing (1), spacer ring (2), sealing lip (3), oil nozzle (4) and oil duct; Said housing (1) comprises general segment (11) and apical ring (12) is installed; Said sealing lip (3) and spacer ring (2) are arranged in the said general segment (11); Said sealing lip (3) is arranged between two spacer rings (2); Said installation apical ring (12) is installed and to be connected general segment (11) and to go up said sealing lip (3) and spacer ring (2) are fixed in the general segment (11), and said oil nozzle (4) is arranged on to be installed that apical ring (12) is gone up and be connected with oil duct on being arranged on general segment (11), and it is characterized in that: said installation apical ring (12) is near also being provided with adjusting spacer ring (5) on the end face of said general segment (11).
2. pump seal structure according to claim 1, it is characterized in that: said adjusting spacer ring (5) is interconnected by two cross-talk spacer rings at least to be formed.
3. like the said pump seal structure of claim 2, it is characterized in that: interconnect through welding between the said sub-spacer ring.
4. like the said pump seal structure of claim 2, it is characterized in that: said sub-spacer ring is provided with two.
5. pump seal structure according to claim 1, it is characterized in that: said adjusting spacer ring (5) deviates from the end face that apical ring (12) is installed and is provided with end face seal structure.
6. pump seal structure according to claim 1, it is characterized in that: said end face seal structure is formed by being arranged on sealed groove of regulating on the spacer ring (5) and the seal ring that is arranged in the groove.
7. pump seal structure according to claim 1, it is characterized in that: the interior ring of said adjusting spacer ring (5) is near one jiao of chamfering that is provided with 3 * 45 ° of general segment (11).
8. like the said pump seal structure of the arbitrary claim of claim 1 to 7, it is characterized in that: said sealing lip (3) is provided with three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220217014 CN202597212U (en) | 2012-05-15 | 2012-05-15 | Water pump shaft seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220217014 CN202597212U (en) | 2012-05-15 | 2012-05-15 | Water pump shaft seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202597212U true CN202597212U (en) | 2012-12-12 |
Family
ID=47314759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220217014 Expired - Fee Related CN202597212U (en) | 2012-05-15 | 2012-05-15 | Water pump shaft seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202597212U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103994094A (en) * | 2014-06-17 | 2014-08-20 | 东营海森密封技术有限责任公司 | Micro contact type shaft end sealing device |
| CN104165227A (en) * | 2014-07-30 | 2014-11-26 | 中国船舶重工集团公司第七0四研究所 | Dismountable rotating shaft lip seal device |
-
2012
- 2012-05-15 CN CN 201220217014 patent/CN202597212U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103994094A (en) * | 2014-06-17 | 2014-08-20 | 东营海森密封技术有限责任公司 | Micro contact type shaft end sealing device |
| CN104165227A (en) * | 2014-07-30 | 2014-11-26 | 中国船舶重工集团公司第七0四研究所 | Dismountable rotating shaft lip seal device |
| CN104165227B (en) * | 2014-07-30 | 2017-12-08 | 中国船舶重工集团公司第七0四研究所 | A kind of detachable rotating shaft lip-shaped sealing device |
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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: 20121212 Termination date: 20180515 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |