CN203081748U - Mechanical seal device of rotor pump - Google Patents
Mechanical seal device of rotor pump Download PDFInfo
- Publication number
- CN203081748U CN203081748U CN 201320123782 CN201320123782U CN203081748U CN 203081748 U CN203081748 U CN 203081748U CN 201320123782 CN201320123782 CN 201320123782 CN 201320123782 U CN201320123782 U CN 201320123782U CN 203081748 U CN203081748 U CN 203081748U
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- CN
- China
- Prior art keywords
- seat
- rotating shaft
- spring
- face
- rotating
- 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.)
- Withdrawn - After Issue
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- Rotary Pumps (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
Abstract
The utility model discloses a mechanical seal device of a rotor pump. The mechanical seal device comprises a rotating shaft (2), a sealing seat (3), a movable ring (4), a movable ring seat (7), a static ring (5), a static ring seat (8) and a spring (6), wherein the rotating shaft (2) is arranged on a pump body (1), the movable ring (4) is arranged in the shaft hole of the pump body (1) and linked with the circumference of the rotating shaft (2), the movable ring seat (7) and the movable ring (4) are fixed together, the static ring (5) is arranged outside the rotating shaft (2), a static ring seat (8) and the static ring (5) are fixed together, and the spring (6) is arranged outside the rotating shaft (2). The mechanical seal device further comprises a nut (9), wherein the nut (9) is in screwed connection with the outer part of the rotating shaft (2), and one end of the nut (9) is propped against the end face of a rotor; and one end of the spring (6) is propped against the movable ring seat (7), the other end of the spring (6) is propped against the nut (9), and the end face of the movable ring (4) is in press fit with the end face of the static ring (5) through the spring (6). The whole mechanical seal failure probability is reduced by utilizing the device, and a gap between the rotor and a pump body can be regulated through adjusting a mechanical seal, so that the rotor pump can be conveniently assembled.
Description
Technical field
The utility model relates to the rotor pump technical field, specifically is a kind of mechanical seal device of rotor pump.
Background technique
Rotor pump is selected different seal form for use according to the medium that is transferred, and in general, dielectric viscosity is high, and what can solidify when temperature is low selects packing seal for use, other select mechanical seal for use.The mechanical seal device of rotor pump is installed in the cavity position that the pump housing is stretched out in rotating shaft, and it comprises the rotating shaft that is located on the pump housing, be fixed on sealing seat on the pump housing end face, be located at rotating ring in the hole of the pump housing, be located at rotating shaft outer stationary ring and spring; Described rotating ring is actively socketed in the rotating shaft, described stationary ring is the inside of spacing sealing seat circumferentially, and described spring is located at outside the rotating shaft, and an end and stationary ring offset, the interior edge face of the other end and sealing seat offsets, and the end face of described stationary ring is force-fitted on the end face of rotating ring by spring.More than the mechanical seal device of this construction rotor pump have following shortcoming:
1, owing to after the MEDIA FLOW of carrying goes into cavity between the stationary seat and the pump housing, in case pile up, can make the elastic failure of spring, thereby increase the probability that whole mechanical seal was lost efficacy.
2, because after the whole mechanical seal, the axial position of rotating ring and rotating seat is fixed, when needs are regulated gap between the rotor and the pump housing, promptly to guarantee the gap between the interior edge face of the end face of rotor and the pump housing, so just can't regulate gap between the rotor and the pump housing, make troubles for the assembling of rotor pump by regulating mechanical seal.
The model utility content
The technical problems to be solved in the utility model is, provide a kind of and reduce probability that whole mechanical seal lost efficacy, can regulate gap between the rotor and the pump housing, give the mechanical seal device of the rotor pump that the assembling of rotor pump brings convenience by regulating mechanical seal.
The technical solution of the utility model is, a kind of mechanical seal device with rotor pump of following structure is provided, comprise the rotating shaft that is located on the pump housing, be fixed on sealing seat on the pump housing end face, be located in the axis hole of the pump housing and with rotating shaft circumferentially interlock rotating ring, with the fixing rotating seat of rotating ring, be located at the outer stationary ring of rotating shaft, with the fixing stationary seat of stationary ring and be located at the outer spring of rotating shaft; Described stationary seat is circumferentially spacing in sealing seat; It comprises and screwing outside rotating shaft and nut that an end and rotor end-face offset; Described spring one end and rotating seat offset, and the other end and nut offset, and the end face of described rotating ring is force-fitted on the end face of stationary ring by spring.
After adopting above structure, the utility model compared with prior art has the following advantages:
1, because spring is located between rotating seat and the nut, after the medium of carrying flows into like this, can significantly reduce on the spring that flows between rotating seat and the nut, reduce the possibility of the elastic failure of spring; Even media accumulation is too much, the pressure of the medium of rotating ring one side is higher, can promote rotating seat, and the end face of rotating ring is force-fitted on the end face of stationary ring, reduces the probability that whole mechanical seal was lost efficacy.
2, owing to increased nut, nut screws outside rotating shaft and an end and rotor end-face offset, spring is installed between nut and the rotating seat, pass through adjusting nut like this, just can regulate the gap between the end face of the end face of rotor and the pump housing, need not to dismantle whole machine envelope and adjust again,, bring convenience for the assembling of rotor pump.
As improvement, one end of described rotating seat is provided with step, described spring housing is outside step, avoid spring directly to contact with rotating shaft, one end of described spring is against on the end face of step mutually, and described rotating seat is circumferentially spacing by Cock screw and rotating shaft, and the length dimension of the long lumbar hole in the hole of described rotating seat installation Cock screw is greater than the external diameter of Cock screw head, Cock screw can make rotating seat link with rotor like this, and rotating seat is axially relatively moved.
Description of drawings
Accompanying drawing 1 is the cross-sectional view of the mechanical seal device of rotor pump of the present utility model.
As shown in the figure: 1, the pump housing, 2, rotating shaft, 3, sealing seat, 4, rotating ring, 5, stationary ring, 6, spring, 7, spring, 8, stationary seat.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, the mechanical seal device of rotor pump of the present utility model, comprise the rotating shaft 2 that is located on the pump housing 1, be fixed on sealing seat 3 on the pump housing 1 end face, be located in the axis hole of the pump housing 1 and with rotating shaft 2 circumferentially interlock rotating rings 4, with the fixing rotating seat 7 of rotating ring 4, be located at the outer stationary ring 5 of rotating shaft 2, with the fixing stationary seat 8 of stationary ring 5 and be located at the outer spring 6 of rotating shaft 2; Described stationary seat 8 is circumferentially spacing in sealing seat 3; It comprises and screwing outside rotating shaft 2 and nut 9 that an end and rotor end-face offset, i.e. the outer wall of rotating shaft 2 is provided with the outside thread that can match with nut 9 internal threads.Described spring 6 one ends and rotating seat 7 offset, and the other end and nut 9 offset, and the end face of described rotating ring 4 is force-fitted on the end face of stationary ring 5 by spring 6.
One end of described rotating seat 7 is provided with step, described spring 6 is enclosed within outside the step, one end of described spring 6 is against on the end face of step mutually, described rotating seat 7 is circumferentially spacing by Cock screw and rotating shaft 2, the length dimension of the long lumbar hole in the hole of described rotating seat 7 installation Cock screws is greater than the external diameter of Cock screw head, Cock screw can make rotating seat link with rotor like this, and rotating seat is axially relatively moved.Described nut 9 is provided with annular groove with the outer wall of the end that rotor offsets.
During assembling, if between the rotor and the pump housing 1 when no gap or excesssive gap, take out rotor, rotating nut 9 again, to inward turning or to outward turning, and the rotor of packing into once more, making between the rotor and the pump housing 1 has rational gap.
Claims (2)
1. the mechanical seal device of a rotor pump, comprise the rotating shaft (2) that is located on the pump housing (1), be fixed on sealing seat (3) on the pump housing (1) end face, be located in the axis hole of the pump housing (1) and with rotating shaft (2) circumferentially interlock rotating ring (4), with the fixing rotating seat (7) of rotating ring (4), be located at the outer stationary ring (5) of rotating shaft (2), with the fixing stationary seat (8) of stationary ring (5) and be located at the outer spring (6) of rotating shaft (2); Described stationary seat (8) is circumferentially spacing in sealing seat (3); It is characterized in that: it comprises and screwing outside rotating shaft (2) and nut (9) that an end and rotor end-face offset; Described spring (6) one ends and rotating seat (7) offset, and the other end and nut (9) offset, and the end face of described rotating ring (4) is force-fitted on the end face of stationary ring (5) by spring (6).
2. the mechanical seal device of rotor pump according to claim 1, it is characterized in that: an end of described rotating seat (7) is provided with step, described spring (6) is enclosed within outside the step, one end of described spring (6) is against on the end face of step mutually, described rotating seat (7) is circumferentially spacing by Cock screw and rotating shaft (2), and the length dimension of the long lumbar hole in the hole of described rotating seat (7) installation Cock screw is greater than the external diameter of Cock screw head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320123782 CN203081748U (en) | 2013-03-18 | 2013-03-18 | Mechanical seal device of rotor pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320123782 CN203081748U (en) | 2013-03-18 | 2013-03-18 | Mechanical seal device of rotor pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203081748U true CN203081748U (en) | 2013-07-24 |
Family
ID=48827590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320123782 Withdrawn - After Issue CN203081748U (en) | 2013-03-18 | 2013-03-18 | Mechanical seal device of rotor pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203081748U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103147980A (en) * | 2013-03-18 | 2013-06-12 | 宁波得利时泵业有限公司 | Mechanical sealing device of rotor pump |
-
2013
- 2013-03-18 CN CN 201320123782 patent/CN203081748U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103147980A (en) * | 2013-03-18 | 2013-06-12 | 宁波得利时泵业有限公司 | Mechanical sealing device of rotor pump |
| CN103147980B (en) * | 2013-03-18 | 2016-01-20 | 宁波得利时泵业有限公司 | The mechanical seal device of rotor pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130724 Effective date of abandoning: 20160120 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |