CN208565565U - A kind of double mechanical seal - Google Patents
A kind of double mechanical seal Download PDFInfo
- Publication number
- CN208565565U CN208565565U CN201821088266.6U CN201821088266U CN208565565U CN 208565565 U CN208565565 U CN 208565565U CN 201821088266 U CN201821088266 U CN 201821088266U CN 208565565 U CN208565565 U CN 208565565U
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- mechanical seal
- external sealing
- ring support
- area
- double mechanical
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Abstract
The utility model discloses a kind of double mechanical seals, including being threaded into mouth and radiating area, the outside for being threaded into mouth is enclosed with rotating ring support, and the inside of rotating ring support is provided with heat insulation, seal area is mounted on the inside of the heat insulation, and the upper end of seal area is fixed with ball, the radiating area is fixed on the right side of seal area, and the upper end of radiating area is provided with silent piece, silent piece of the upper end is connected together and has external sealing, and the upper end of external sealing is provided with limited block, the external right side lower end sealed is provided with clamping block, and assembly tool is connected on the inside of clamping block.Double mechanical seal is arranged in the double mechanical seal, damage mechanical seal will not because of temperature is excessively high and feed blocking, a set of mechanically-sealing apparatus is installed additional again on the basis of conventional mechanical seal, it is set to re-form a confined space after completely cutting off with material, mechanical seal can generate high temperature exothermic when running at high speed.
Description
Technical field
The utility model relates to technical field of mechanical, specially a kind of double mechanical seal.
Background technique
Mechanical seal refer to by least a pair of end face perpendicular to rotation axis Fluid pressure and compensation mechanism elastic force (or
Magnetic force) under the action of and the cooperation of auxiliary seal under keep be bonded and constituted with respect to sliding prevent fluid leak dress
It sets, mechanical seal is the equipment such as a kind of gland seal device of rotating machinery, such as centrifugal pump, centrifuge, reaction kettle and compressor.
Mechanical seal in the market can generate high temperature exothermic, be easily damaged, there is usually one machinery when running at high speed
Sealing device, the imperfect problem of heat dissipation effect, for this purpose, it is proposed that a kind of double mechanical seal.
Utility model content
The purpose of this utility model is to provide a kind of double mechanical seals, mentioned above in the background art to solve
Mechanical seal in the market can generate high temperature exothermic, be easily damaged when running at high speed, and there is usually one mechanical seal dresses
It sets, the imperfect problem of heat dissipation effect.
To achieve the above object, the utility model provides the following technical solutions: a kind of double mechanical seal, including screw thread
Access port and radiating area, the outside for being threaded into mouth be enclosed with rotating ring support, and rotating ring support inside be provided with it is heat-insulated
Block is mounted with seal area on the inside of the heat insulation, and the upper end of seal area is fixed with ball, and the radiating area is fixed on sealing
The right side in area, and the upper end of radiating area is provided with silent piece, silent piece of the upper end, which is connected together, external sealing, and external
The upper end of sealing is provided with limited block, and the external right side lower end sealed is provided with clamping block, and the inside connection of clamping block
There is assembly tool, the external inside sealed is equipped with fixing bolt, and the right side lower end of fixing bolt is provided with stopper,
The external right side sealed is provided with stationary ring, and stationary ring support is mounted on the right side of stationary ring, and the inside of the stationary ring support is set
It is equipped with fixed block.
Preferably, it is fitted closely on the left of the right side of the rotating ring support and heat insulation, and rotating ring support and heat insulation are logical
It crosses and integral structure is formed by welding.
Preferably, the radiating area constitutes snap-in structure, and external sealing and silent piece with outside sealing by silent piece
Between size match.
Preferably, the center line between the clamping block about assembly tool is mutually symmetrical with, and the shape between clamping block
Size matches.
Preferably, the fixing bolt is extended vertically through in the inside of outside sealing, and fixing bolt and external sealing are constituted
Bascule.
Preferably, the stationary ring support constitutes bascule with fixed block, and fixed block is elliptical shape.
Compared with prior art, the utility model has the beneficial effects that double mechanical is arranged in the double mechanical seal
Sealing damage mechanical seal will not because of temperature is excessively high and feed blocking, on the basis of conventional mechanical seal again
It installs a set of mechanically-sealing apparatus additional, it is made to re-form a confined space after completely cutting off with material, mechanical seal is running at high speed
When, high temperature exothermic can be generated, be easily damaged, using the device, add circulating chilled water to cool down in another confined space, rotating ring and
Stationary ring will not generate heat, to improve service life, rotating ring and the special driven Design of stationary ring keep its occupied space smaller, complete machine axis
It shortens, improves the rigidity of axis, to reach raising overall performance.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model;
Fig. 2 is the left side structure schematic view of the utility model;
Fig. 3 is the right side structure schematic view of the utility model.
In figure: 1, being threaded into mouth;2, rotating ring supports;3, heat insulation;4, seal area;5, ball;6, external sealing;7, it limits
Position block;8, radiating area;9, silent piece;10, clamping block;11, assembly tool;12, fixing bolt;13, stopper;14, stationary ring branch
Support;15, fixed block;16, stationary ring.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of double mechanical seal, including screw thread connect
Entrance 1, rotating ring support 2, heat insulation 3, seal area 4, ball 5, external sealing 6, limited block 7, radiating area 8, silent piece 9, engaging
Block 10, assembly tool 11, fixing bolt 12, stopper 13, stationary ring support 14, fixed block 15 and stationary ring 16, are threaded into mouth 1
Outside is enclosed with rotating ring support 2, and the inside of rotating ring support 2 is provided with heat insulation 3, right side and the heat insulation 3 of rotating ring support 2
Left side fits closely, and rotating ring support 2 with heat insulation 3 by the way that integral structure is formed by welding, can will be threaded into mouth 1 with it is interior
The sealed connection in portion engages, and fits closely rotating ring support 2 with inner sealing, and the inside of heat insulation 3 is mounted with seal area 4, and
The upper end of seal area 4 is fixed with ball 5, and radiating area 8 is fixed on the right side of seal area 4, and the upper end of radiating area 8 be provided with it is silent
Block 9, radiating area 8 constitute snap-in structure, and the size between external sealing 6 and silent piece 9 with external sealing 6 by silent piece 9
It matches, is confined space in seal area 4 and radiating area 8, adds circulating chilled water to cool down, rotating ring and stationary ring 16 is made not to generate heat, from
And improve service life, silent piece 9 of upper end, which is connected together, external sealing 6, and the upper end of external sealing 6 is provided with limited block
7, the right side lower end of outside sealing 6 is provided with clamping block 10, and the inside of clamping block 10 is connected with assembly tool 11, clamping block 10
Between about assembly tool 11 center line it is mutually symmetrical with, and the geomery between clamping block 10 matches, clamping block 10 it
Between assembly tool 11 can be very good to clamp the o type ring of inner sealing, to improve its obturation effect, outside sealing 6
Inside is equipped with fixing bolt 12, and the right side lower end of fixing bolt 12 is provided with stopper 13, and fixing bolt 12 extends vertically through
In the inside of external sealing 6, and fixing bolt 12 constitutes bascule with external sealing 6, can be by fixing bolt 12 through company
It is connected to external sealing 6, to make to be connected and fixed between external sealing 6 and stationary ring 16, the right side of outside sealing 6 is provided with stationary ring
16, and the right side of stationary ring 16 is mounted with stationary ring support 14, the inside of stationary ring support 14 is provided with fixed block 15, stationary ring support 14 with
Fixed block 15 constitute bascule, and fixed block 15 be elliptical shape, can preferably fixing card share stationary ring support 14 with
Position between fixed block 15.
Working principle: for a kind of this double mechanical seal, it will be threaded into mouth 1 and internal sealed connection card first
It closes, fits closely rotating ring support 2 with inner sealing, heat insulation 3 can be very good isolation rotating ring support 2 and run in whole device
When the heat that generates, seal area 4 and ball 5 are connected together, is confined space in seal area 4 and radiating area 8, adds circulating chilled water
Cooling, makes rotating ring and stationary ring 16 not to generate heat, to improve service life, rotating ring and the special driven Design of stationary ring 16 account for it
Smaller with space, complete machine axis shortens, and improves the rigidity of axis, to reach raising overall performance, stationary ring support 14 passes through fixed block
Position is completely embedded between 15 and inner sealing, by fixing bolt 12 through external sealing 6 is connected to, to make external sealing 6
It being connected and fixed between stationary ring 16, the assembly tool 11 between clamping block 10 can be very good to clamp the o type ring of inner sealing,
To improve its obturation effect, the use process of entire double mechanical seal is completed like this.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of double mechanical seal, including it is threaded into mouth (1) and radiating area (8), it is characterised in that: it is described to be threaded into
The outside of mouth (1) is enclosed with rotating ring support (2), and is provided with heat insulation (3) on the inside of rotating ring support (2), the heat insulation (3)
Inside be mounted with seal area (4), and the upper end of seal area (4) is fixed with ball (5), and the radiating area (8) is fixed on sealing
The right side in area (4), and the upper end of radiating area (8) is provided with silent piece (9), the upper end of silent piece (9), which is connected together, to be had outside
Portion seals (6), and the upper end of external sealing (6) is provided with limited block (7), and the right side lower end of the external sealing (6) is provided with
Clamping block (10), and assembly tool (11) are connected on the inside of clamping block (10), the inside of the external sealing (6) is equipped with solid
Determine bolt (12), and the right side lower end of fixing bolt (12) is provided with stopper (13), the right side setting of the external sealing (6)
Have stationary ring (16), and be mounted with stationary ring support (14) on the right side of stationary ring (16), is provided on the inside of the stationary ring support (14) solid
Determine block (15).
2. a kind of double mechanical seal according to claim 1, it is characterised in that: the right side of the rotating ring support (2)
It is fitted closely on the left of heat insulation (3), and rotating ring support (2) and heat insulation (3) is by being formed by welding integral structure.
3. a kind of double mechanical seal according to claim 1, it is characterised in that: the radiating area (8) passes through silent
Block (9) and external sealing (6) constitute snap-in structure, and external sealing (6) matches with the size between silent piece (9).
4. a kind of double mechanical seal according to claim 1, it is characterised in that: between the clamping block (10) about
The center line of assembly tool (11) is mutually symmetrical with, and the geomery between clamping block (10) matches.
5. a kind of double mechanical seal according to claim 1, it is characterised in that: the fixing bolt (12) is vertically passed through
It is through at the inside of external sealing (6), and fixing bolt (12) and external sealing (6) constitute bascule.
6. a kind of double mechanical seal according to claim 1, it is characterised in that: the stationary ring supports (14) and fixed
Block (15) constitutes bascule, and fixed block (15) is elliptical shape.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821088266.6U CN208565565U (en) | 2018-07-10 | 2018-07-10 | A kind of double mechanical seal |
Applications Claiming Priority (1)
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CN201821088266.6U CN208565565U (en) | 2018-07-10 | 2018-07-10 | A kind of double mechanical seal |
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CN208565565U true CN208565565U (en) | 2019-03-01 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108561558A (en) * | 2018-07-10 | 2018-09-21 | 拉法泵业科技(宁波)有限公司 | A kind of double mechanical seal |
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2018
- 2018-07-10 CN CN201821088266.6U patent/CN208565565U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108561558A (en) * | 2018-07-10 | 2018-09-21 | 拉法泵业科技(宁波)有限公司 | A kind of double mechanical seal |
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