CN201382012Y - Connection sealing improved structure of impeller wheel boss and pump body - Google Patents
Connection sealing improved structure of impeller wheel boss and pump body Download PDFInfo
- Publication number
- CN201382012Y CN201382012Y CN200920114753U CN200920114753U CN201382012Y CN 201382012 Y CN201382012 Y CN 201382012Y CN 200920114753 U CN200920114753 U CN 200920114753U CN 200920114753 U CN200920114753 U CN 200920114753U CN 201382012 Y CN201382012 Y CN 201382012Y
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- Prior art keywords
- annular groove
- edge face
- impeller
- impeller hub
- sealing
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Abstract
The utility model discloses a connection sealing improved structure of an impeller wheel boss and a pump body. The connection sealing improved structure comprises a rotation shaft, an impeller wheel boss, a shaft sleeve and an impeller nut, wherein a ring groove I is arranged on the outer end surface of the impeller nut, a sealing piece is installed in the ring groove I, the outer end surface of the impeller nut is tightly connected with the outer end surface of the impeller wheel boss, the sealing piece is elastically and tightly supported between the inner end surface of the ring groove I and the outer end surface of the impeller wheel boss, the inner end surface of the impeller wheel boss is provided with at least a ring groove II, a sealing piece is installed in the ring groove II, the outer end surface of the shaft sleeve is tightly connected with the outer end surface of the impeller wheel boss, and the sealing piece is elastically and tightly supported between the inner end surface of the ring groove II and the outer end surface of the shaft sleeve. The connection sealing improved structure has excellent sealing structure, the sealing pieces are not easy to deform, an impeller can not be loosened, the working is more stable, and the normal operating of devices is guaranteed.
Description
Technical field
The utility model relates to the sealing configuration that is connected of impeller hub and the pump housing.
Background technique
As Fig. 1 and Fig. 2,4 equal back cushion sheet 1 sealings of between impeller hub 3 left sides of existing water pump and the impeller nut 6 and impeller hub 3 right sides and axle sleeve, phenomenons such as distortion appear in sealing gasket easily under various water environments, thereby cause that impeller is loosening, impeller this loosening meeting when high speed rotating causes great harm to equipment, to the rotating shaft fracture, pumping unit is damaged at last, the rotating shaft fracture location usually occurs in the stepped portions on the left side or the right side of impeller hub.
The model utility content
What technical problem to be solved in the utility model just provided a kind of impeller hub and the pump housing is connected the seal en-hancement structure, and its sealing configuration is good, and Sealing is not yielding, can make impeller loosening, more stable work, and assurance equipment normally moves.
For solving the problems of the technologies described above, the utility model adopts following technological scheme: impeller hub and the pump housing be connected the seal en-hancement structure, comprise the rotating shaft that is connected on the pump housing, be connected the impeller hub in the rotating shaft, the rotating shaft of impeller hub inboard is provided with axle sleeve, impeller hub and shaft room are provided with Sealing, the rotating shaft in the impeller hub outside is provided with impeller nut, be provided with Sealing between impeller hub and the impeller nut, it is characterized in that: the exterior edge face of described impeller nut is provided with at least one annular groove one, in the described annular groove one Sealing is installed, the exterior edge face close proximity of the exterior edge face of described impeller nut and impeller hub, described Sealing elasticity holds out against between the exterior edge face of the interior edge face of annular groove one and impeller hub.
Improved, the interior edge face of described impeller hub is provided with at least one annular groove two, in the described annular groove two Sealing is installed, the exterior edge face close proximity of the exterior edge face of described axle sleeve and impeller hub, described Sealing elasticity holds out against between the exterior edge face of the interior edge face of annular groove two and axle sleeve.
Preferably, described annular groove one and annular groove two are together.
Preferably, described annular groove one and annular groove two are O type groove, and described Sealing is the O RunddichtringO.
Described annular groove one also can be arranged on the impeller hub exterior edge face, and described annular groove two also can be arranged on the exterior edge face of axle sleeve.Also can be in the impeller hub exterior edge face and the impeller nut exterior edge face annular groove one all is set, at impeller hub interior edge face and axle sleeve exterior edge face annular groove two is set all.
The utility model is by being provided with the structure of Sealing annular groove, make the exterior edge face of impeller hub directly contact with the impeller nut exterior edge face, the interior edge face of impeller hub directly contacts with the axle sleeve exterior edge face, play the auxiliary seal effect, Sealing elasticity holds out against the effect that then plays primary seal between the end face of annular groove and impeller hub, sealing configuration is good, Sealing is not easy to be subjected to extraneous factor influences such as water environment like this, Sealing is not yielding, and because all be close proximity between the exterior edge face of the interior edge face of the exterior edge face of the exterior edge face of impeller nut and impeller hub and impeller hub and axle sleeve, the slight deformation of Sealing does not influence its sealing effect yet, as long as the elastic reaction of Sealing just can guarantee the effect that seals in normal range (NR), can not cause impeller loosening, effectively guarantee can not become flexible and rich breakage rotating shaft after the impeller locking, make its structure more stable, assurance equipment normally moves.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is further described:
Fig. 1 is the structural representation that be connected sealing configuration of existing impeller hub with the pump housing;
Fig. 2 is an I place enlarged view among Fig. 1;
Fig. 3 is the utility model impeller hub and the embodiment who is connected the seal en-hancement structure one of the pump housing;
Fig. 4 is an II place enlarged view among Fig. 3;
Fig. 5 is an III place enlarged view among Fig. 3;
Fig. 6 is the utility model impeller hub and the embodiment who is connected the seal en-hancement structure two of the pump housing;
Fig. 7 is the utility model impeller hub and the embodiment who is connected the seal en-hancement structure three of the pump housing;
Fig. 8 is the utility model impeller hub and the embodiment who is connected the seal en-hancement structure four of the pump housing.
Embodiment
Extremely shown in Figure 5 as Fig. 3, be connected seal en-hancement structure embodiment one for impeller hub and the pump housing: comprise the rotating shaft 2 of switching on the pump housing, be connected the impeller hub 3 in the rotating shaft 2, the rotating shaft of impeller hub inboard is provided with axle sleeve 4, impeller hub and shaft room are provided with Sealing 5, the rotating shaft in the impeller hub outside is provided with impeller nut 6, impeller hub can adopt existing mode to be connected with the Placement of impeller nut, as adopt key to connect, be provided with Sealing 5 between impeller hub and the impeller nut, the exterior edge face of described impeller nut 6 is provided with annular groove 1 one, in the described annular groove one Sealing 5 is installed, the exterior edge face close proximity of the exterior edge face of described impeller nut 6 and impeller hub 3, described Sealing elasticity holds out against between the exterior edge face of the interior edge face of annular groove 1 and impeller hub 3, the interior edge face of described impeller hub 3 is provided with annular groove 2 31 one, in the described annular groove two Sealing 5 is installed, the exterior edge face close proximity of the exterior edge face of described axle sleeve 4 and impeller hub 3, described Sealing 5 elasticity hold out against between the exterior edge face of the interior edge face of annular groove 2 31 and axle sleeve, described annular groove one and annular groove two are O type groove, and described Sealing is the O RunddichtringO.
As shown in Figure 5 and Figure 6, be connected seal en-hancement structure embodiment two for impeller hub and the pump housing: comprise the pump housing 1, rotating shaft 2, be connected the impeller hub 3 in the rotating shaft 2, the rotating shaft of impeller hub inboard is provided with axle sleeve 4, impeller hub and shaft room are provided with Sealing 5, the rotating shaft in the impeller hub outside is provided with impeller nut 6, be provided with Sealing 5 between impeller hub and the impeller nut, the exterior edge face of described impeller hub 3 is provided with annular groove 3 32 one, in the described annular groove three Sealing 5 is installed, the exterior edge face close proximity of the exterior edge face of described impeller nut 6 and impeller hub 3, described Sealing elasticity holds out against between the exterior edge face of the interior edge face of annular groove three and impeller nut, the interior edge face of described impeller hub 3 is provided with annular groove 2 31 one, in the described annular groove two Sealing 5 is installed, the exterior edge face close proximity of the exterior edge face of described axle sleeve 4 and impeller hub 3, described Sealing 5 elasticity hold out against between the exterior edge face of the interior edge face of annular groove 2 31 and axle sleeve, described annular groove one and annular groove two are O type groove, and described Sealing is the O RunddichtringO.
As Fig. 5 and shown in Figure 7, be connected seal en-hancement structure embodiment three for impeller hub and the pump housing: comprise the pump housing 1, rotating shaft 2, be connected the impeller hub 3 in the rotating shaft 2, the rotating shaft of impeller hub inboard is provided with axle sleeve 4, impeller hub and shaft room are provided with Sealing 5, the rotating shaft in the impeller hub outside is provided with impeller nut 6, be provided with Sealing 5 between impeller hub and the impeller nut, the exterior edge face of described impeller nut 6 is provided with annular groove 1 one, the exterior edge face of described impeller hub 3 is provided with annular groove 3 32 one, Sealing 5 is installed among described annular groove one and the annular groove three, the exterior edge face close proximity of the exterior edge face of described impeller nut 6 and impeller hub 3, described Sealing elasticity holds out against between the interior edge face of the interior edge face of annular groove one and annular groove three, this kind structure, annular groove one and annular groove three are to match mutually, the mutual correspondence in position.The interior edge face of described impeller hub 3 is provided with annular groove 2 31 one, in the described annular groove two Sealing 5 is installed, the exterior edge face close proximity of the exterior edge face of described axle sleeve 4 and impeller hub 3, described Sealing 5 elasticity hold out against between the exterior edge face of the interior edge face of annular groove 2 31 and axle sleeve, described annular groove one and annular groove two are O type groove, and described Sealing is the O RunddichtringO.
Be illustrated in figure 8 as embodiment four, it is the dual groove structure that annular groove 1 described in the embodiment 7 and annular groove 3 31 also can be crisscross arranged, annular groove one is independent mutually with annular groove three, in this case, Sealing has two, Sealing in the annular groove one is that elasticity holds out against between the exterior edge face of the interior edge face of annular groove one and impeller hub, and annular groove three interior Sealings are that elasticity holds out against between the exterior edge face of the interior edge face of annular groove three and impeller nut.
The utility model hermetically-sealed construction is good, and seal is not easy to be subjected to the extraneous factor impacts such as water environment, and is close Sealing is not yielding, and the slight deformation of seal do not affect its sealing effectiveness yet, and because impeller nut The outer face and the outer face of the inner face of the outer face of impeller hub and impeller hub and axle sleeve between all be tight Close joining, the slight deformation of seal do not affect its sealing effectiveness yet, as long as the elastic reaction of seal exists Just can guarantee in the normal range (NR) effect that seals can not cause impeller loosening, make its structure more stable, the guarantor Card equipment normally moves. Compare with the existing structure of sealing gasket sealing that adopts, its advantage is very significant.
Claims (10)
1, impeller hub and the pump housing be connected the seal en-hancement structure, comprise the rotating shaft (2) that is connected on the pump housing, be connected the impeller hub (3) in the rotating shaft, the rotating shaft of impeller hub inboard is provided with axle sleeve (4), impeller hub and shaft room are provided with Sealing (5), the rotating shaft in the impeller hub outside is provided with impeller nut (6), be provided with Sealing (5) between impeller hub and the impeller nut, it is characterized in that: the exterior edge face of described impeller nut is provided with at least one annular groove one (61), in the described annular groove one Sealing is installed, the exterior edge face close proximity of the exterior edge face of described impeller nut (6) and impeller hub (3), described Sealing (5) elasticity holds out against between the exterior edge face of the interior edge face of annular groove one (61) and impeller hub (3).
2, impeller hub according to claim 1 and the pump housing is connected the seal en-hancement structure, it is characterized in that: the interior edge face of described impeller hub (3) is provided with at least one annular groove two (31), Sealing (5) is installed in the annular groove two, the exterior edge face close proximity of the exterior edge face of described axle sleeve (4) and impeller hub (3), described Sealing (5) elasticity holds out against between the exterior edge face of the interior edge face of annular groove two (31) and axle sleeve (4).
3, impeller hub according to claim 2 and the pump housing be connected the seal en-hancement structure, it is characterized in that: described annular groove two is together.
4, according to claim 1,2 or 3 described impeller hubs and the pump housing be connected the seal en-hancement structure, it is characterized in that: described annular groove one is together.
5, impeller hub according to claim 1 and the pump housing be connected the seal en-hancement structure, it is characterized in that: described annular groove one is O type groove, and described Sealing is the O RunddichtringO.
6, impeller hub according to claim 2 and the pump housing be connected the seal en-hancement structure, it is characterized in that: described annular groove one is O type groove, and described Sealing is the O RunddichtringO.
7, impeller hub and the pump housing be connected the seal en-hancement structure, comprise the pump housing, rotating shaft, be connected the impeller hub in the rotating shaft, the rotating shaft of impeller hub inboard is provided with axle sleeve, impeller hub and shaft room are provided with Sealing, the rotating shaft in the impeller hub outside is provided with impeller nut, be provided with Sealing between impeller hub and the impeller nut, it is characterized in that: the exterior edge face of described impeller hub (3) is provided with at least one annular groove three (32), in the described annular groove three Sealing is installed, the exterior edge face close proximity of the exterior edge face of described impeller nut and impeller hub, described Sealing elasticity holds out against between the exterior edge face of the interior edge face of annular groove three and impeller hub.
8, impeller hub according to claim 7 and the pump housing is connected the seal en-hancement structure, it is characterized in that: the interior edge face of described impeller hub is provided with at least one annular groove two, in the described annular groove two Sealing is installed, the exterior edge face close proximity of the exterior edge face of described axle sleeve and impeller hub, described Sealing elasticity holds out against between the exterior edge face of the interior edge face of annular groove two and axle sleeve.
9, impeller hub and the pump housing be connected the seal en-hancement structure, comprise the pump housing, rotating shaft, be connected the impeller hub in the rotating shaft, the rotating shaft of impeller hub inboard is provided with axle sleeve, impeller hub and shaft room are provided with Sealing, the rotating shaft in the impeller hub outside is provided with impeller nut, be provided with Sealing between impeller hub and the impeller nut, it is characterized in that: the exterior edge face of described impeller nut is provided with at least one annular groove one (61), the exterior edge face of described impeller hub is provided with the annular groove three (32) relative with annular groove one, among described annular groove one and the annular groove three Sealing is installed, the exterior edge face close proximity of the exterior edge face of described impeller nut and impeller hub, described Sealing elasticity holds out against between the interior edge face of the interior edge face of annular groove one and annular groove three.
10, impeller hub and the pump housing be connected the seal en-hancement structure, comprise the pump housing, rotating shaft, be connected the impeller hub in the rotating shaft, the rotating shaft of impeller hub inboard is provided with axle sleeve, impeller hub and shaft room are provided with Sealing, the rotating shaft in the impeller hub outside is provided with impeller nut, be provided with Sealing between impeller hub and the impeller nut, it is characterized in that: the exterior edge face of described impeller nut is provided with at least one annular groove one (61), the exterior edge face of described impeller hub is provided with at least one annular groove three (32), annular groove one and annular groove three are crisscross arranged, in described annular groove one and the annular groove three Sealing is installed respectively, the exterior edge face close proximity of the exterior edge face of described impeller nut and impeller hub, Sealing elasticity in the annular groove one holds out against between the exterior edge face of the interior edge face of annular groove one and impeller hub, and the Sealing elasticity in the annular groove three holds out against between the exterior edge face of the interior edge face of annular groove three and impeller nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920114753U CN201382012Y (en) | 2009-03-05 | 2009-03-05 | Connection sealing improved structure of impeller wheel boss and pump body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920114753U CN201382012Y (en) | 2009-03-05 | 2009-03-05 | Connection sealing improved structure of impeller wheel boss and pump body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201382012Y true CN201382012Y (en) | 2010-01-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920114753U Expired - Fee Related CN201382012Y (en) | 2009-03-05 | 2009-03-05 | Connection sealing improved structure of impeller wheel boss and pump body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201382012Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101832289A (en) * | 2010-05-27 | 2010-09-15 | 蓝星化工有限责任公司 | Sealing device for shaft end of chemical centrifugal pump |
| CN102852820A (en) * | 2011-06-27 | 2013-01-02 | 王喜冬 | Hard alloy amphibious sand pump capable of being idled and connected in series |
| CN113513498A (en) * | 2021-07-16 | 2021-10-19 | 杭州南丰精工科技有限公司 | Water pump impeller with seal structure |
| CN114306921A (en) * | 2020-09-28 | 2022-04-12 | 苏州恒瑞宏远医疗科技有限公司 | Sealing mechanism and heart blood pump |
-
2009
- 2009-03-05 CN CN200920114753U patent/CN201382012Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101832289A (en) * | 2010-05-27 | 2010-09-15 | 蓝星化工有限责任公司 | Sealing device for shaft end of chemical centrifugal pump |
| CN102852820A (en) * | 2011-06-27 | 2013-01-02 | 王喜冬 | Hard alloy amphibious sand pump capable of being idled and connected in series |
| CN102852820B (en) * | 2011-06-27 | 2016-01-20 | 王喜冬 | Cemented carbide idle running can be connected amphibious husky pump |
| CN114306921A (en) * | 2020-09-28 | 2022-04-12 | 苏州恒瑞宏远医疗科技有限公司 | Sealing mechanism and heart blood pump |
| CN114306921B (en) * | 2020-09-28 | 2024-03-08 | 苏州恒瑞宏远医疗科技有限公司 | Sealing mechanism and heart blood pump |
| CN113513498A (en) * | 2021-07-16 | 2021-10-19 | 杭州南丰精工科技有限公司 | Water pump impeller with seal structure |
| CN113513498B (en) * | 2021-07-16 | 2024-02-02 | 杭州南丰精工科技有限公司 | Water pump impeller with sealing structure |
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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: 20100113 Termination date: 20160305 |
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| CF01 | Termination of patent right due to non-payment of annual fee |