CN206280504U - Single end face mechanical seal device for rubber bellows - Google Patents

Single end face mechanical seal device for rubber bellows Download PDF

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Publication number
CN206280504U
CN206280504U CN201621163116.8U CN201621163116U CN206280504U CN 206280504 U CN206280504 U CN 206280504U CN 201621163116 U CN201621163116 U CN 201621163116U CN 206280504 U CN206280504 U CN 206280504U
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China
Prior art keywords
rubber bellows
stationary ring
swivel becket
spring assembly
mechanical seal
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CN201621163116.8U
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Chinese (zh)
Inventor
周宏宇
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Jiangsu Zhonghai Nuclear Power Mstar Technology Ltd
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Jiangsu Zhonghai Nuclear Power Mstar Technology Ltd
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Abstract

The utility model discloses a kind of single end face mechanical seal device for rubber bellows, including stationary ring, swivel becket, rubber bellows, spring assembly, stationary ring, swivel becket, rubber bellows and spring assembly are arranged between end cap and pump shaft, stationary ring is arranged at one end end cap opening on pump shaft, the outer peripheral face of stationary ring is provided with the stationary ring pad that circumferentially direction extends with the inwall junction of end cap, rubber bellows are T-shaped rubber bellows, there is a groove in the bigger diameter end of rubber bellows, swivel becket is embedded in groove, swivel becket and rubber bellows form an accommodating cavity, the spring assembly being set on pump shaft is provided with accommodating cavity, the two ends of spring assembly are against on swivel becket and rubber bellows respectively, swivel becket is brought into close contact and rotates against in the presence of spring assembly with stationary ring.According to single end face mechanical seal device for rubber bellows of the present utility model, dielectric leakage is prevented from, improves reliability, increased the service life.

Description

Single end face mechanical seal device for rubber bellows
Technical field
The utility model is related to mechanical seal, specifically, more particularly to single end face mechanical seal device for rubber bellows.
Background technology
For a long time, mechanical seal is mainly used in the rotation of pump, reactor, compressor, hydraulic drive and its similar devices The sealing of axle, the safe operation that the sealing effectiveness of mechanically-sealing apparatus treats water-tight equipment is particularly significant.It is most of in reality Whirligig operating mode it is more severe, rotary shaft is susceptible to vibrations when rotating, especially during pumping up and stopping, easily go out Now dislocation, not tight phenomenon of fitting, greatly shorten the service life of mechanical seal, and be susceptible to leakage.
Utility model content
The utility model is intended at least solve one of above-mentioned technical problem of the prior art to a certain extent.In view of This, the utility model provides a kind of single end face mechanical seal device for rubber bellows, ensure that and is brought into close contact, and extension is used Life-span, it is not easy to leak.
Single end face mechanical seal device for rubber bellows according to embodiment of the present utility model, including stationary ring, rotation Ring, rubber bellows, spring assembly, the stationary ring, the swivel becket, the rubber bellows and the spring assembly are all provided with Put between end cap and pump shaft, the stationary ring is arranged at one end end cap opening on the pump shaft, outside the stationary ring Side face is provided with the stationary ring pad that circumferentially direction extends with the inwall junction of the end cap, and the rubber bellows are T-shaped rubber Glue bellows, has a groove in the bigger diameter end of the rubber bellows, and the swivel becket is embedded in the groove, described turn Rotating ring and the rubber bellows form an accommodating cavity, and the spring being set on the pump shaft is provided with the accommodating cavity Component, the two ends of the spring assembly are against on the swivel becket and the rubber bellows respectively, and the swivel becket is described It is brought into close contact and rotates against with the stationary ring in the presence of spring assembly.
Becket is further included, metal annular groove is offered in the rubber bellows, the becket is arranged on described In metal annular groove.
Annulus is further included, the miner diameter end of the rubber bellows is provided with annular groove, and the annulus is arranged on the circle In annular groove.
Further, the swivel becket is irregular polygon.
It is of the present utility model to have technical effect that:Filled according to single end face rubber bellows mechanical seal of the present utility model Put, the device is provided with the stationary ring in one end of the pump shaft, the stationary ring passes through the stationary ring pad and the end cap Inner wall sealing;The device is provided with the rubber bellows, and the rubber bellows coordinate with the rotation axis seal, is capable of achieving The sealing in gap between the end cap and the rotary shaft;The device is provided with spring assembly, described in the presence of spring assembly The end face of the end face of swivel becket and the stationary ring is brought into close contact, and realizes the sealing between the swivel becket and the stationary ring, The rubber bellows are brought into close contact with the pump shaft, be capable of achieving between the rubber bellows and the pump shaft gap it is close Envelope, in sum, sealing has been fully achieved in the end cap, so that medium is difficult leakage.
Brief description of the drawings
Fig. 1 is the structural representation of the single end face mechanical seal device for rubber bellows according to embodiment of the present utility model Figure.
Reference:1- stationary rings, 2- swivel beckets, 3- rubber bellows, 4- spring assemblies, 5- end caps, 6- pump shafts, 7- is quiet Only ring pad, 8- grooves, 9- accommodating cavities, 10- beckets, 11- metal annular grooves, 12- annulus, 13- annular grooves, 14- rubber bellows Bigger diameter end, the miner diameter end of 15- rubber bellows, 16- fastening ends, 17- inlets.
Specific embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein ad initio Same or similar element or element with same or like function are represented to same or similar label eventually.Below by ginseng The embodiment for examining Description of Drawings is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model Limitation.
As shown in figure 1, a kind of single end face mechanical seal device for rubber bellows is provided according to the utility model, including it is quiet Only ring 1, swivel becket 2, rubber bellows 3, spring assembly 4.
Specifically, stationary ring 1, swivel becket 2, rubber bellows 3 and spring assembly 4 be arranged at end cap 5 and pump shaft 6 it Between, stationary ring 1 is arranged at the opening of one end end cap 5 on pump shaft 6, and the outer peripheral face of stationary ring 1 sets with the inwall junction of end cap 5 There is the stationary ring pad 7 that circumferentially direction extends.In other words, pump shaft 6 is provided with miner diameter end and bigger diameter end, and stationary ring 1 is arranged on pump shaft 6 Miner diameter end at, be provided with the stationary ring pad 7 that circumferentially direction extends in the outer peripheral face of stationary ring 1 and the inwall junction of end cap 5.
Rubber bellows 3 are T-shaped rubber bellows, there is a groove 8, swivel becket in the bigger diameter end 14 of rubber bellows 2 are embedded in groove 8.I.e. rubber bellows 3 are provided with bigger diameter end and miner diameter end, and the fastening end 16 of swivel becket 2 is tightly packed in rubber ripple In large diameter hole in the bigger diameter end 14 of line pipe.
Swivel becket 2 and rubber bellows 3 are formed in an accommodating cavity 9, accommodating cavity 9 and are provided with the spring being set on pump shaft 6 Component 4, the two ends of spring assembly 4 are against on swivel becket 2 and rubber bellows 3 respectively, the miner diameter end 15 and pump of rubber bellows Axle 6 is brought into close contact and mutually rotates, and swivel becket 2 is brought into close contact and rotates against in the presence of spring assembly 4 with stationary ring 1.
According to single end face mechanical seal device for rubber bellows of the present utility model, the device is provided with one end of pump shaft 6 Stationary ring 1, stationary ring 1 is by stationary ring pad 7 and the inner wall sealing of end cap 5;The device is provided with rubber bellows 3, rubber corrugated Pipe 3 coordinates with rotation axis seal, is capable of achieving the sealing in gap between end cap 5 and rotary shaft;The device is provided with spring assembly 4, In the presence of spring assembly 4, the end face of swivel becket 2 and the end face of stationary ring 1 are brought into close contact, and realize swivel becket 2 and stationary ring 1 Between sealing, rubber bellows 3 are brought into close contact with pump shaft 6, are capable of achieving the sealing in gap between rubber bellows 3 and pump shaft 6, To sum up, sealing has been fully achieved in end cap 5, so that medium is difficult leakage.
As shown in figure 1, single end face mechanical seal device for rubber bellows further includes becket 10, rubber bellows 3 Metal annular groove 11 is inside offered, becket 10 is arranged in metal annular groove 11.
As shown in figure 1, single end face mechanical seal device for rubber bellows further includes annulus 12, rubber bellows it is small Footpath end 15 is provided with annular groove 13, and annulus 12 is arranged in annular groove 13.
As shown in figure 1, swivel becket 2 is irregular polygon, it is ensured that closely pasted with all parts on the side of swivel becket 2 Close.
According to single end face mechanical seal device for rubber bellows of the present utility model, its operation principle is as follows:
Single end face mechanical seal device for rubber bellows is arranged between end cap 5 and pump shaft 6, is provided with the upper end of end cap 5 One inlet 17, medium is flowed between end cap 5 and pump shaft 6 by inlet 17;
When pump shaft 6 rotates, pump shaft 6 drives rubber bellows, swivel becket 2, spring assembly 4, becket 10 and annulus 12, Stationary ring 1 is motionless relative to pump shaft 6, and swivel becket 2 rotates relative to stationary ring 1, leads between swivel becket 2 and stationary ring 1 Cross in the presence of spring assembly 4 and be brought into close contact, realize the sealing between swivel becket 2 and stationary ring 1;
The outer peripheral face of stationary ring 1 is with the inwall of end cap 5 by realizing sealing in the presence of stationary ring pad 7;
Sealing is realized between the fastening end 16 of swivel becket 2 and rubber bellows 3 in the presence of metal annular groove 11;
Sealing is realized between rubber bellows 3 and pump shaft 6 in the presence of annulus 12;In sum, rotated in pump shaft 6 When, single end face mechanical seal device for rubber bellows of the present utility model may be implemented in and has been fully sealed in end cap 5, so as to be situated between Matter is difficult leakage.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means to combine specific features, structure, material or spy that the embodiment or example are described Point is contained at least one embodiment of the present utility model or example.In this manual, to the schematic table of above-mentioned term State and be necessarily directed to identical embodiment or example.And, the specific features of description, structure, material or feature can be with Combined in an appropriate manner in one or more any embodiments or example.Additionally, those skilled in the art can be by Different embodiments or example described in this specification are engaged and combined.
Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is Exemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is in scope of the present utility model It is interior above-described embodiment to be changed, changed, replaced and modification.

Claims (4)

1. a kind of single end face mechanical seal device for rubber bellows, it is characterised in that including stationary ring, swivel becket, rubber corrugated Pipe, spring assembly, the stationary ring, the swivel becket, the rubber bellows and the spring assembly be arranged at end cap and Between pump shaft, the stationary ring is arranged at one end end cap opening on the pump shaft, the outer peripheral face of the stationary ring with it is described The inwall junction of end cap is provided with the stationary ring pad that circumferentially direction extends, and the rubber bellows are T-shaped rubber bellows, The bigger diameter end of the rubber bellows has a groove, and the swivel becket is embedded in the groove, the swivel becket and described Rubber bellows form an accommodating cavity, and the spring assembly being set on the pump shaft is provided with the accommodating cavity, described The two ends of spring assembly are against on the swivel becket and the rubber bellows respectively, and the swivel becket is in the spring assembly It is brought into close contact and rotates against with the stationary ring under effect.
2. single end face mechanical seal device for rubber bellows according to claim 1, it is characterised in that further include gold Category ring, offers metal annular groove in the rubber bellows, the becket is arranged in the metal annular groove.
3. single end face mechanical seal device for rubber bellows according to claim 1, it is characterised in that further include circle Ring, the miner diameter end of the rubber bellows is provided with annular groove, and the annulus is arranged in the annular groove.
4. single end face mechanical seal device for rubber bellows according to claim 1, it is characterised in that the swivel becket is Irregular polygon.
CN201621163116.8U 2016-10-25 2016-10-25 Single end face mechanical seal device for rubber bellows Active CN206280504U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621163116.8U CN206280504U (en) 2016-10-25 2016-10-25 Single end face mechanical seal device for rubber bellows

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621163116.8U CN206280504U (en) 2016-10-25 2016-10-25 Single end face mechanical seal device for rubber bellows

Publications (1)

Publication Number Publication Date
CN206280504U true CN206280504U (en) 2017-06-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621163116.8U Active CN206280504U (en) 2016-10-25 2016-10-25 Single end face mechanical seal device for rubber bellows

Country Status (1)

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CN (1) CN206280504U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108087558A (en) * 2017-12-21 2018-05-29 大连厚德坤泰管理咨询有限公司 The sealing of underwater robot joint
CN112610621A (en) * 2020-12-15 2021-04-06 北京动力机械研究所 Dislocation self-adaptation mechanical seal structure

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108087558A (en) * 2017-12-21 2018-05-29 大连厚德坤泰管理咨询有限公司 The sealing of underwater robot joint
CN108087558B (en) * 2017-12-21 2020-03-10 大连厚德坤泰管理咨询有限公司 Underwater robot joint shaft seal
CN112610621A (en) * 2020-12-15 2021-04-06 北京动力机械研究所 Dislocation self-adaptation mechanical seal structure

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