CN210371320U - Mechanical shaft seal structure for pump - Google Patents

Mechanical shaft seal structure for pump Download PDF

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Publication number
CN210371320U
CN210371320U CN201921348054.1U CN201921348054U CN210371320U CN 210371320 U CN210371320 U CN 210371320U CN 201921348054 U CN201921348054 U CN 201921348054U CN 210371320 U CN210371320 U CN 210371320U
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CN
China
Prior art keywords
ring
side wall
ring seat
seat
rotating ring
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Active
Application number
CN201921348054.1U
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Chinese (zh)
Inventor
苏立锋
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Wuxi Gaozhuo Fluid Equipment Co ltd
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Wuxi Gaozhuo Fluid Equipment Co ltd
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Priority to CN201921348054.1U priority Critical patent/CN210371320U/en
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Publication of CN210371320U publication Critical patent/CN210371320U/en
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Abstract

The utility model belongs to the technical field of mechanical seal, especially, be a mechanical shaft seal structure for pump, including the rotating ring seat, a lateral wall of rotating ring seat runs through and is provided with the axle sleeve, the lateral wall cover of axle sleeve is established and is fixed with the fender ring, a lateral wall of fender ring and a lateral wall fixed connection of rotating ring seat, run through in the axle sleeve and be fixed with the transmission shaft, a lateral wall inner wall of rotating ring seat is fixed with the spring, the one end that the axle sleeve was kept away from to the spring is fixed with the stationary blade, stationary blade sliding connection is in the rotating ring seat, a lateral wall that the spring was kept away from to the stationary blade is provided with the rotating ring body. The utility model discloses a set up the spring in the rotating ring seat, the axle sleeve drives and keeps off the ring when moving toward interior, can make the rotating ring seat toward interior motion, under the effect of spring, can make the rotating ring body closely laminate on quiet ring body to can make it form the friction pair, sealing performance is better, through setting up rotating ring sealing washer and quiet ring sealing washer, the sealing performance of improvement that can step forward.

Description

Mechanical shaft seal structure for pump
Technical Field
The utility model relates to a mechanical seal technical field specifically is a mechanical shaft seal structure for pump.
Background
The mechanical shaft seal is a device for preventing fluid leakage, which is formed by keeping fit and relative sliding of at least one pair of end faces perpendicular to a rotation axis under the action of fluid pressure and the elastic force or magnetic force of a compensation mechanism and under the coordination of auxiliary seal.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a mechanical bearing seal structure for pump has solved that current mechanical bearing seal seals the effect relatively poor, the problem that liquid was revealed easily.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: a mechanical shaft seal structure for a pump comprises a movable ring seat, wherein a shaft sleeve is arranged on one side wall of the movable ring seat in a penetrating manner, a baffle ring is fixedly sleeved on the outer side wall of the shaft sleeve, one side wall of the baffle ring is fixedly connected with one side wall of the movable ring seat, a transmission shaft is fixedly arranged in the shaft sleeve in a penetrating manner, a spring is fixed on the inner wall of one side wall of the movable ring seat, one end, away from the shaft sleeve, of the spring is fixed with a fixed sheet which is connected in the movable ring seat in a sliding manner, a movable ring body is arranged on one side wall, away from the spring, of the fixed sheet and is connected in the movable ring seat in a sliding manner, a first groove is formed in one side wall of the movable ring body, a movable ring seal ring is embedded and fixed in the first groove, a stationary ring seat is arranged on one side of the movable ring seat, a stationary ring body is embedded and fixed in the stationary ring, the second recess is embedded and is fixed with quiet ring seal, a lateral wall in close contact with of a lateral wall of quiet ring body of rotating ring body, the inside wall of rotating ring seal and quiet ring seal all with the lateral wall in close contact with of transmission shaft.
As a preferred technical scheme of the utility model, the lateral wall symmetry of stationary blade is fixed with first slider, first spout has been seted up to the inside wall symmetry of rotating ring seat, first slider difference sliding connection is in corresponding first spout.
As a preferred technical scheme of the utility model, the lateral wall symmetry of rotating ring body is fixed with the second slider, the second spout has been seted up to the inside wall symmetry of rotating ring seat, the second slider is sliding connection respectively in corresponding second spout.
As an optimized technical scheme of the utility model, the rotating ring sealing washer and the static ring sealing washer are formed by the preparation of hydrogenated nitrile rubber.
As an optimized technical scheme of the utility model, the surface of rotating ring seat and quiet ring seat has all coated the anti-rust paint.
(III) advantageous effects
Compared with the prior art, the utility model provides a mechanical shaft seal structure for pump possesses following
Has the advantages that:
this mechanical shaft seal structure for pump through set up the spring in the rotating ring seat, and the axle sleeve drives and keeps off the ring when moving toward interior, can make the rotating ring seat move toward interior, under the effect of spring, can make the rotating ring body closely laminate on quiet ring body to can make it form the friction pair, sealing performance is better, through setting up rotating ring sealing washer and quiet ring sealing washer, the sealing performance of improvement that can step forward.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic side sectional view of the movable ring seat of the present invention;
fig. 3 is a schematic side sectional view of the movable ring body of the present invention.
In the figure: 1. a movable ring seat; 2. a shaft sleeve; 3. a baffle ring; 4. a drive shaft; 5. a spring; 6. a fixing sheet; 7. a rotating ring body; 8. a first groove; 9. a moving ring sealing ring; 10. a stationary ring seat; 11. a stationary ring body; 12. a second groove; 13. a stationary ring seal ring; 14. a first slider; 15. a first chute; 16. a second slider; 17. a second runner.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
Referring to fig. 1-3, the present invention provides the following technical solutions: a mechanical shaft seal structure for a pump comprises a movable ring seat 1, a shaft sleeve 2 penetrates through one side wall of the movable ring seat 1, a baffle ring 3 is fixedly sleeved on the outer side wall of the shaft sleeve 2, one side wall of the baffle ring 3 is fixedly connected with one side wall of the movable ring seat 1, a transmission shaft 4 penetrates through and is fixed in the shaft sleeve 2, a spring 5 is fixed on the inner wall of one side wall of the movable ring seat 1, a fixing piece 6 is fixed at one end, away from the shaft sleeve 2, of the spring 5, the fixing piece 6 is connected in the movable ring seat 1 in a sliding mode, a movable ring body 7 is arranged on one side wall, away from the spring 5, of the fixing piece 6, the movable ring body 7 is connected in the movable ring seat 1 in a sliding mode, a first groove 8 is formed in one side wall of the movable ring body 7, a movable ring sealing ring 9 is embedded and fixed in the first groove 8, a stationary ring seat 10 is arranged on one side of the movable ring seat 1, a stationary ring, a static ring sealing ring 13 is embedded and fixed in the second groove 12, one side wall of the movable ring body 7 is in close contact with one side wall of the static ring body 11, and the inner side walls of the movable ring sealing ring 9 and the static ring sealing ring 13 are in close contact with the outer side wall of the transmission shaft 4.
In this embodiment, through set up spring 5 in rotating ring seat 1, when axle sleeve 2 drives fender ring 3 and moves toward the interior, can make rotating ring seat 1 move toward the interior, under the effect of spring 5, can make rotating ring body 7 closely laminate on quiet ring body 11 to can make it form the friction pair, sealing performance is better, through setting up rotating ring sealing washer 9 and quiet ring sealing washer 13, the sealing performance of improvement that can step forward.
Specifically, the outer side wall of the fixed plate 6 is symmetrically fixed with first sliding blocks 14, the inner side wall of the movable ring seat 1 is symmetrically provided with first sliding grooves 15, and the first sliding blocks 14 are respectively connected in the corresponding first sliding grooves 15 in a sliding manner.
In this embodiment, the first sliding blocks 14 are symmetrically fixed on the outer side wall of the fixed plate 6, and the first sliding grooves 15 are symmetrically formed on the inner side wall of the movable ring base 1, so that the fixed plate 6 can stably slide in the movable ring base 1, and the fixed plate 6 can be driven to rotate together when the movable ring base 1 rotates.
Specifically, the outer side wall of the moving ring body 7 is symmetrically fixed with second sliding blocks 16, the inner side wall of the moving ring seat 1 is symmetrically provided with second sliding grooves 17, and the second sliding blocks 16 are respectively connected in the corresponding second sliding grooves 17 in a sliding manner.
In this embodiment, the second sliding blocks 16 are symmetrically fixed on the outer side wall of the moving ring body 7, and the second sliding chutes 17 are symmetrically formed on the inner side wall of the moving ring base 1, so that the moving ring body 7 can stably slide in the moving ring base 1 on the one hand, and the moving ring body 7 can be driven to rotate together when the moving ring base 1 rotates on the other hand.
Specifically, the dynamic ring seal ring 9 and the static ring seal ring 13 are both made of hydrogenated nitrile rubber.
In this embodiment, the dynamic ring seal ring 9 and the static ring seal ring 13 are both made of hydrogenated nitrile rubber, because the hydrogenated nitrile rubber has better wear resistance and high temperature resistance, the dynamic ring seal ring is durable and not easy to damage.
Specifically, the surfaces of the moving ring seat 1 and the stationary ring seat 10 are coated with antirust paint.
In this embodiment, the anti-rust paint is coated on the surfaces of the moving ring seat 1 and the stationary ring seat 10, so that the anti-rust effect can be achieved.
The utility model discloses a theory of operation and use flow: through setting up spring 5, can make rotating ring body 7 closely laminate on quiet ring body 11 to form the friction pair between the two, sealing performance is better, sets up rotating ring sealing washer 9 through setting up in the inside of rotating ring body 7, sets up quiet ring sealing washer 13 in the inside of quiet ring body 11, and the inside wall of rotating ring sealing washer 9 and quiet ring sealing washer 13 all with the lateral wall in close contact with of transmission shaft 4, so can improve sealing performance.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. The utility model provides a mechanical shaft seal structure for pump, includes rotating ring seat (1), its characterized in that: a shaft sleeve (2) penetrates through one side wall of the movable ring seat (1), a baffle ring (3) is fixedly arranged on the outer side wall sleeve of the shaft sleeve (2), one side wall of the baffle ring (3) is fixedly connected with one side wall of the movable ring seat (1), a transmission shaft (4) penetrates through and is fixedly arranged in the shaft sleeve (2), a spring (5) is fixedly arranged on the inner wall of one side wall of the movable ring seat (1), a fixing piece (6) is fixedly arranged at one end, far away from the shaft sleeve (2), of the spring (5), the fixing piece (6) is slidably connected in the movable ring seat (1), a movable ring body (7) is arranged on one side wall, far away from the spring (5), of the fixing piece (6), the movable ring body (7) is slidably connected in the movable ring seat (1), a first groove (8) is formed in one side wall of the movable ring body (7), and a movable ring sealing ring (9) is fixedly embedded in the first groove (8, one side of rotating ring seat (1) is provided with quiet ring seat (10), the inside embedding of quiet ring seat (10) is fixed with quiet ring body (11), second recess (12) have been seted up to a lateral wall of quiet ring body (11), embedded being fixed with quiet ring seal circle (13) in second recess (12), a lateral wall of rotating ring body (7) and a lateral wall in close contact with of quiet ring body (11), the inside wall of rotating ring seal circle (9) and quiet ring seal circle (13) all with the lateral wall in close contact with of transmission shaft (4).
2. The mechanical shaft seal structure for a pump according to claim 1, wherein: the outer side wall of the fixed piece (6) is symmetrically fixed with first sliding blocks (14), the inner side wall of the movable ring seat (1) is symmetrically provided with first sliding grooves (15), and the first sliding blocks (14) are respectively connected in the corresponding first sliding grooves (15) in a sliding mode.
3. The mechanical shaft seal structure for a pump according to claim 1, wherein: the outer side wall of the moving ring body (7) is symmetrically fixed with second sliding blocks (16), the inner side wall of the moving ring seat (1) is symmetrically provided with second sliding grooves (17), and the second sliding blocks (16) are respectively connected in the corresponding second sliding grooves (17) in a sliding manner.
4. The mechanical shaft seal structure for a pump according to claim 1, wherein: the dynamic ring sealing ring (9) and the static ring sealing ring (13) are both made of hydrogenated nitrile rubber.
5. The mechanical shaft seal structure for a pump according to claim 1, wherein: the surfaces of the movable ring seat (1) and the static ring seat (10) are coated with antirust paint.
CN201921348054.1U 2019-08-21 2019-08-21 Mechanical shaft seal structure for pump Active CN210371320U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921348054.1U CN210371320U (en) 2019-08-21 2019-08-21 Mechanical shaft seal structure for pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921348054.1U CN210371320U (en) 2019-08-21 2019-08-21 Mechanical shaft seal structure for pump

Publications (1)

Publication Number Publication Date
CN210371320U true CN210371320U (en) 2020-04-21

Family

ID=70251566

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921348054.1U Active CN210371320U (en) 2019-08-21 2019-08-21 Mechanical shaft seal structure for pump

Country Status (1)

Country Link
CN (1) CN210371320U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112197007A (en) * 2020-10-13 2021-01-08 江门市新会区天府密封科技有限公司 Mechanical seal for automobile water pump
CN112628402A (en) * 2020-12-27 2021-04-09 江苏阿科米科技有限公司 Shaft seal device of horizontal contact type reactor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112197007A (en) * 2020-10-13 2021-01-08 江门市新会区天府密封科技有限公司 Mechanical seal for automobile water pump
CN112628402A (en) * 2020-12-27 2021-04-09 江苏阿科米科技有限公司 Shaft seal device of horizontal contact type reactor

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