CN209012115U - A kind of portable mechanical face seals of centrifugal pumps - Google Patents

A kind of portable mechanical face seals of centrifugal pumps Download PDF

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Publication number
CN209012115U
CN209012115U CN201821881465.2U CN201821881465U CN209012115U CN 209012115 U CN209012115 U CN 209012115U CN 201821881465 U CN201821881465 U CN 201821881465U CN 209012115 U CN209012115 U CN 209012115U
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China
Prior art keywords
ring
stationary
rotating ring
centrifugal pumps
rotating
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CN201821881465.2U
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Chinese (zh)
Inventor
林捷
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Wilo Pumps Shanghai Co Ltd
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Wilo Pumps Shanghai Co Ltd
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Priority to CN201821881465.2U priority Critical patent/CN209012115U/en
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Abstract

The utility model discloses a kind of portable mechanical face seals of centrifugal pumps, including pump shaft, stationary seat is fixedly mounted in the external of the pump shaft, the inside of the stationary seat is equipped with mechanical seal sealing ring, the outer surface of the pump shaft is equipped with pump case close to the inside of stationary seat, the lower end of the stationary seat is equipped with stationary ring sealing ring, the lower end of the stationary ring sealing ring is equipped with stationary ring body, the lower end of the stationary ring body is equipped with rotating ring body, the outer surface of the rotating ring body is equipped with seal ring of moving ring, the lower end of the rotating ring body is equipped with rotating ring support frame, the lower end of the rotating ring support frame be equipped with from, the lower end of the rotating ring support frame is equipped with rotating ring pedestal, the outer surface of the pump case is equipped with screw thread.The portable mechanical face seals of centrifugal pumps of the utility model, mechanical sealing static ring seat is to be threadedly coupled with pump case, the rotatable taking-up when mechanical seal is broken down, and then can be by entire mechanical seal replacing without dismantling the pump housing, maintenance difficulty is reduced, better prospect of the application is brought.

Description

A kind of portable mechanical face seals of centrifugal pumps
Technical field
The utility model relates to a kind of mechanical seal, specially a kind of portable mechanical face seals of centrifugal pumps.
Background technique
Mechanical seal is that people carry out pump shaft of centrifugal pump to protect used common tool in order to more convenient, especially It is portable mechanical face seals of centrifugal pumps, but science and technology is ceaselessly developing, requirement of the people to portable mechanical face seals of centrifugal pumps It is higher and higher, cause traditional portable mechanical face seals of centrifugal pumps to can no longer meet the use demand of people;
There are certain drawbacks in existing portable mechanical face seals of centrifugal pumps, firstly, portable centrifugation pump machine when in use The function of tool sealing is relatively simple, so that the practicability of the portable mechanical face seals of centrifugal pumps substantially reduces, common is portable Mechanical face seals of centrifugal pumps, in modern Rotary Water pump configuration, axle envelope prevents from leaking and being arranged at pipeline pump pump shaft and shell Sealing device.Common type of shaft sealing has mechanical seal, packing seal, power envelope, and wherein the sealing effect of mechanical seal is good, lets out The feature that leakage quantity is small, the service life is long is found broad application, and still, mechanical seal price, processing installation and maintenance maintenance require height, Secondary, common portable mechanical face seals of centrifugal pumps is not equipped with rotating ring support frame, is easy to appear the landing of rotating ring body, leaks, Certain influence is brought to the use process of people, therefore we make improvement to this, propose a kind of portable centrifugation pump machine Tool sealing.
Utility model content
To solve defect of the existing technology, the utility model provides a kind of portable mechanical face seals of centrifugal pumps.
In order to solve the above-mentioned technical problem, the utility model provides the following technical solution:
The external fixed installation of a kind of portable mechanical face seals of centrifugal pumps of the utility model, including pump shaft, the pump shaft is quiet The inside of ring seat, the stationary seat is equipped with mechanical seal sealing ring, and the outer surface of the pump shaft is close to the inside of stationary seat Equipped with pump case, the lower end of the stationary seat is equipped with stationary ring sealing ring, and the lower end of the stationary ring sealing ring is equipped with stationary ring body, described quiet The lower end of ring body is equipped with rotating ring body, and the outer surface of the rotating ring body is equipped with seal ring of moving ring, and the lower end of the rotating ring body is equipped with dynamic Ring support frame, the lower end of the rotating ring support frame are equipped with rotating ring spring body, and the lower end of the rotating ring support frame is equipped with rotating ring pedestal, The outer surface of the pump case is equipped with screw thread.
As a kind of optimal technical scheme of the utility model, the inner wall of the stationary seat also is provided with screw thread, and stationary seat It is movably connected on pump case by screw thread.
As a kind of optimal technical scheme of the utility model, the stationary ring sealing ring is matched with stationary seat by groove step Connection is closed, the stationary ring body and stationary ring sealing ring inner groovy step are cooperatively connected.
As a kind of optimal technical scheme of the utility model, the rotating ring body and seal ring of moving ring are consolidated by rotating ring support frame It is fixed.
As a kind of optimal technical scheme of the utility model, the rotating ring spring body is connect with rotating ring support frame, described Rotating ring pedestal is connect with rotating ring spring body, and is connected on the step on pump shaft.
As a kind of optimal technical scheme of the utility model, the pump shaft passes through rotating ring pedestal, rotating ring spring body, rotating ring Sealing ring, rotating ring body, stationary ring body, stationary ring sealing ring and stationary seat centre bore and pump case outside be connected.
The beneficial effects of the utility model are: this kind of portable mechanical face seals of centrifugal pumps, mechanical sealing static ring seat and pump case To be threadedly coupled, the outer surface of pump case is equipped with screw thread, also is provided with screw thread inside mechanical sealing static ring seat, when event occurs for mechanical seal Rotatable taking-up when barrier, and then can reduce maintenance difficulty by entire mechanical seal replacing without dismantling the pump housing, bring Better prospect of the application,
By the rotating ring support frame being equipped with, can anti-locating snap ring body fall off under prolonged rotation, realize portable Formula mechanical face seals of centrifugal pumps is multi-functional, and entire portable mechanical face seals of centrifugal pumps structure is simple, easy to operate, the effect used It is more preferable relative to traditional approach.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 is a kind of structural schematic diagram of portable mechanical face seals of centrifugal pumps of the utility model;
Fig. 2 is a kind of decomposition texture schematic diagram of portable mechanical face seals of centrifugal pumps of the utility model;
Fig. 3 is the connection point of the mechanical seal sealing ring and pump case of a kind of portable mechanical face seals of centrifugal pumps of the utility model Solution structure schematic diagram.
In figure: 1, pump shaft;201, stationary seat;202, mechanical seal sealing ring;3, pump case;401, stationary ring sealing ring;402, Stationary ring body;403, rotating ring body;404, seal ring of moving ring;405, rotating ring support frame;406, rotating ring spring body;407, rotating ring pedestal; 5, screw thread.
Specific embodiment
It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
Embodiment: as shown in Figure 1, Figure 2 and Figure 3, a kind of portable mechanical face seals of centrifugal pumps of the utility model, including pump shaft 1, the external of pump shaft 1 is fixedly mounted stationary seat 201, and the inside of stationary seat 201 is equipped with mechanical seal sealing ring 202, pump shaft 1 it is outer Surface is equipped with pump case 3 close to the inside of stationary seat 201, and the lower end of stationary seat 201 is equipped with stationary ring sealing ring 401, stationary ring sealing ring 401 lower end is equipped with stationary ring body 402, and the lower end of stationary ring body 402 is equipped with rotating ring body 403, and the outer surface of rotating ring body 403 is equipped with rotating ring Sealing ring 404, the lower end of rotating ring body 403 are equipped with rotating ring support frame 405, and the lower end of rotating ring support frame 405 is equipped with rotating ring spring body 406, the lower end of rotating ring support frame 405 is equipped with rotating ring pedestal 407, and the outer surface of pump case 3 is equipped with screw thread 5.
Wherein, the inner wall of stationary seat 201 also is provided with screw thread 5, and stationary seat 201 is movably connected in pump case 3 by screw thread 5 On, screw thread 5 makes stationary seat 201 and pump case 3 rotate connection.
Wherein, stationary ring sealing ring 401 is cooperatively connected with stationary seat 201 by groove step, and stationary ring body 402 and stationary ring seal The mating connection of 401 inner groovy steps is enclosed, groove step plays sealing effect convenient for stationary ring sealing ring 401.
Wherein, rotating ring body 403 and seal ring of moving ring 404 are fixed by rotating ring support frame 405, the anti-stop of rotating ring support frame 405 Ring body 403 falls off.
Wherein, rotating ring spring body 406 is connect with rotating ring support frame 405, and rotating ring pedestal 407 is connect with rotating ring spring body 406, It is connected on the step on pump shaft 1 again.
Wherein, pump shaft 1 passes through rotating ring pedestal 407, rotating ring spring body 406, seal ring of moving ring 404, rotating ring body 403, stationary ring It is connected outside the centre bore of body 402, stationary ring sealing ring 401 and stationary seat 201 and pump case 3.
When work, first by stationary seat 201 by the screw thread 5 of internal 3 outer surface of screw thread 5 and pump case, rotation connection makes Stationary seat 201 is fixed on the outer surface of pump case 3, and mechanical sealing static ring seat 201 is that screw thread 5 is connect with pump case 3, so when machinery Sealing rotatable taking-up when breaking down, and then can reduce maintenance by entire mechanical seal replacing without dismantling the pump housing and protect Difficulty is supported, also the time has been saved for maintenance, has greatly improved work efficiency, bring better prospect of the application, realize portable The multifunctionality of the mechanical seal of mechanical face seals of centrifugal pumps drives rotating ring body 403 to turn together at this time when pump shaft 1 starts turning It is dynamic, and stationary ring body 402 is relatively stationary, since both stationary ring body 402 and rotating ring body 403 contact surface have frictional dissipation, this When offset abrasion by the effect of rotating ring spring body 406, greatly reduce so that rotating ring body 403 and stationary ring body 402 are kept in contact Loss, it is practical, by the rotating ring support frame 405 being equipped with, can anti-locating snap ring body 403 taken off under prolonged rotation It falls, rotating ring support frame 405 plays the role of support, realizes portable mechanical face seals of centrifugal pumps multifunctionality, and mechanical seal is close Seal 202, stationary ring sealing ring 401 and seal ring of moving ring 404 play the role of sealing, entire portable mechanical face seals of centrifugal pumps Structure is simple, easy to operate, and the effect used is more preferable relative to traditional approach.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic It is equivalently replaced.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on, It should be included within the scope of protection of this utility model.

Claims (6)

1. a kind of portable mechanical face seals of centrifugal pumps, including pump shaft (1), which is characterized in that the external fixed peace of the pump shaft (1) It fills stationary seat (201), the inside of the stationary seat (201) is equipped with mechanical seal sealing ring (202), the appearance of the pump shaft (1) Face is equipped with pump case (3) close to the inside of stationary seat (201), and the lower end of the stationary seat (201) is equipped with stationary ring sealing ring (401), The lower end of the stationary ring sealing ring (401) is equipped with stationary ring body (402), and the lower end of the stationary ring body (402) is equipped with rotating ring body (403), the outer surface of the rotating ring body (403) is equipped with seal ring of moving ring (404), and the lower end of the rotating ring body (403) is equipped with dynamic The lower end of ring support frame (405), the rotating ring support frame (405) is equipped with rotating ring spring body (406), the rotating ring support frame (405) lower end is equipped with rotating ring pedestal (407), and the outer surface of the pump case (3) is equipped with screw thread (5).
2. a kind of portable mechanical face seals of centrifugal pumps according to claim 1, which is characterized in that the stationary seat (201) Inner wall also be provided with screw thread (5), and stationary seat (201) is movably connected on pump case (3) by screw thread (5).
3. a kind of portable mechanical face seals of centrifugal pumps according to claim 1, which is characterized in that the stationary ring sealing ring (401) it is cooperatively connected with stationary seat (201) by groove step, the stationary ring body (402) and stationary ring sealing ring (401) inner groovy Step is cooperatively connected.
4. a kind of portable mechanical face seals of centrifugal pumps according to claim 1, which is characterized in that the rotating ring body (403) It is fixed by rotating ring support frame (405) with seal ring of moving ring (404).
5. a kind of portable mechanical face seals of centrifugal pumps according to claim 1, which is characterized in that the rotating ring spring body (406) it is connect with rotating ring support frame (405), the rotating ring pedestal (407) connect with rotating ring spring body (406), and is connected to pump On step on axis (1).
6. a kind of portable mechanical face seals of centrifugal pumps according to claim 1, which is characterized in that the pump shaft (1) passes through Rotating ring pedestal (407), rotating ring spring body (406), seal ring of moving ring (404), rotating ring body (403), stationary ring body (402), stationary ring are close It is connected outside the centre bore of seal (401) and stationary seat (201) and pump case (3).
CN201821881465.2U 2018-11-15 2018-11-15 A kind of portable mechanical face seals of centrifugal pumps Active CN209012115U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821881465.2U CN209012115U (en) 2018-11-15 2018-11-15 A kind of portable mechanical face seals of centrifugal pumps

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821881465.2U CN209012115U (en) 2018-11-15 2018-11-15 A kind of portable mechanical face seals of centrifugal pumps

Publications (1)

Publication Number Publication Date
CN209012115U true CN209012115U (en) 2019-06-21

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821881465.2U Active CN209012115U (en) 2018-11-15 2018-11-15 A kind of portable mechanical face seals of centrifugal pumps

Country Status (1)

Country Link
CN (1) CN209012115U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110685954A (en) * 2019-11-19 2020-01-14 潍柴动力股份有限公司 Sealing structure and water pump

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110685954A (en) * 2019-11-19 2020-01-14 潍柴动力股份有限公司 Sealing structure and water pump

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