CN208919320U - A kind of big spring mechanical sealing assembly - Google Patents

Abstract

The utility model discloses a kind of big spring mechanical sealing assemblies, including gland and shaft, the shaft right end is socketed with gland, inner end opens up fluted on the left of the gland, the groove left end is equipped with fixing seat, the gland inboard is equipped with stationary ring, stationary ring sealing ring is equipped between the stationary ring and gland, the stationary ring left end is equipped with rotating ring, the rotating ring lower left side is socketed with seal ring of moving ring, the rotating ring is connected with the docking of the throw-out collar of left end, the throw-out collar is installed on big spring by card column, the big spring left end is equipped with mounting base, the utility model rotating ring, the mutual clamping of lug boss on stationary ring, corresponding gap location is equipped with corresponding stationary ring sealing ring, seal ring of moving ring and retaining ring, this makes corresponding seal ring of moving ring, stationary ring sealing ring and retaining ring overall structure are more firm, guarantee corresponding sealing effect, knot Structure design is close reasonable, has very strong practicability, is suitble to promote.

Description

A kind of big spring mechanical sealing assembly

Technical field

The utility model belongs to technical field of mechanical, and in particular to a kind of big spring mechanical sealing assembly.

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, by Be applied in inside and outside equipment in transmission shaft, in this way, there are a circumferential clearance between axis and equipment, medium in equipment by should between Gap leaks out, if pressure is subatmospheric in equipment, air is to equipment internal leakage, it is therefore necessary to have a prevention leakage Gland seal device.There are many type of axle envelope, since mechanical seal has many advantages, such as that leakage rate is few and the service life is long, so machine in the world Tool sealing is in the most important sealing mode of these equipment；Mechanical seal is called end face seal, but traditional mechanical seal It is mostly that corresponding sealing is realized by stationary ring sealing ring corresponding with the frictional fit of rotating ring, corresponding sealing ring can not often have The sealing effect corresponding with shaft or the close fitting influence of installation set progress of effect, there are corresponding limitations.

Utility model content

The purpose of this utility model is to provide a kind of big spring mechanical sealing assemblies, to solve to mention in above-mentioned background technique Out the problem of.

To achieve the above object, the utility model provides the following technical solutions: a kind of big spring mechanical sealing assembly, including Gland and shaft, the shaft right end are socketed with gland, and inner end offers card slot on the left of the gland, and the card slot left end is equipped with Fixing seat, the gland inboard are equipped with stationary ring, stationary ring sealing ring are equipped between the stationary ring and gland, the stationary ring left end is equipped with Rotating ring, the rotating ring lower left side are socketed with seal ring of moving ring, and the rotating ring is connected with the docking of the throw-out collar of left end, and the throw-out collar passes through Card column is installed on big spring, and the big spring left end is equipped with mounting base, and the mounting base inboard offers mounting groove.

Preferably, the depth of section on the left of the fixing seat is greater than the depth of section on right side, and the mounting base, is moved throw-out collar Ring is respectively positioned on the inboard of fixing seat.

Preferably, the first pin hole is offered in the mounting base, the mounting groove of the mounting base inboard is installed with card column, institute Card column is stated to be connected with big spring docking.

Preferably, the rotating ring bottom side and the upside of stationary ring are installed with lug boss, the lug boss on the upside of the rotating ring There are gap between stationary ring, the gap inboard is equipped with retaining ring, the rectangular in cross-section shape of the retaining ring.

Preferably, the big spring is no less than four, is installed with groove, the section depth of the groove on the upside of the throw-out collar Greater than the diameter of section of big spring.

Preferably, offer the second pin hole on the gland, second pin hole set there are four and circular array be distributed.

The technical effect and advantage of the utility model: the utility model passes through corresponding shaft, gland, fixing seat, stationary ring Sealing ring, stationary ring, rotating ring, seal ring of moving ring, mounting groove, mounting base, big spring etc. design accordingly, while on rotating ring, stationary ring The mutual clamping of lug boss, corresponding gap location is equipped with corresponding stationary ring sealing ring, seal ring of moving ring and retaining ring, this makes It is more firm to obtain corresponding seal ring of moving ring, stationary ring sealing ring and retaining ring overall structure, guarantees corresponding sealing effect, It is socketed with big spring in mounting groove inboard simultaneously, it is close to the rotating ring of rotating ring bottom side that corresponding big spring pushes throw-out collar to move to the right Seal is squeezed accordingly, so that seal ring of moving ring is more bonded inboard shaft, corresponding rotating ring is cooperated to rub with stationary ring Dual sealing effect is played in wiping, and corresponding better tightness structure design is close reasonable, has very strong practicability, is suitble to push away Extensively.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the structural schematic diagram of the utility model throw-out collar；

Fig. 3 is the side structure schematic view of the utility model gland.

In figure: 1- shaft, 2- gland, 3- fixing seat, 4- stationary ring sealing ring, 5- stationary ring, 6- seal ring of moving ring, 7- throw-out collar, 8- retaining ring, 9- rotating ring, 10- big spring, 11- mounting base, 12- mounting groove, 13- groove, the first pin hole of 14-, 15- second are sold Hole.

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.

The utility model provides a kind of big spring mechanical sealing assembly as shown in Figs. 1-3, including gland 2 and shaft 1, 1 right end of shaft is socketed with gland 2, and the 2 left side inner end of gland offers card slot, and the card slot left end is equipped with fixing seat 3, The gland 2 is inboard to be equipped with stationary ring 5, stationary ring sealing ring 4 is equipped between the stationary ring 5 and gland 2,5 left end of stationary ring is equipped with Rotating ring 9,9 lower left side of rotating ring are socketed with seal ring of moving ring 6, and the rotating ring 9 is connected with the docking of the throw-out collar 7 of left end, described to push away Ring 7 is installed on big spring 10 by card column, and 10 left end of big spring is equipped with mounting base 11, and 11 inboard of mounting base offers Mounting groove 12.

Specifically, the depth of section in 3 left side of fixing seat is greater than the depth of section on right side, the mounting base 11, throw-out collar 7, rotating ring 9 is respectively positioned on the inboard of fixing seat 3.

Specifically, offering the first pin hole 14 in the mounting base 11, the inboard mounting groove 12 of the mounting base 11, which stays, to be set There is card column, the card column is connected with the docking of big spring 10.

Specifically, 9 bottom side of rotating ring and the upside of stationary ring 5 are installed with lug boss, the protrusion of 9 upside of rotating ring There are gap between portion and stationary ring 5, the gap inboard is equipped with retaining ring 8, the rectangular in cross-section shape of the retaining ring 8.

Specifically, the big spring 10 is no less than four, it is installed with groove 13 on the upside of the throw-out collar 7, the groove 13 Section depth is greater than the diameter of section of big spring 10.

Specifically, offer the second pin hole 15 on the gland 2, second pin hole 15 set there are four and circular array Distribution.

The utility model when in use, by the mutual clamping of the lug boss on rotating ring 9, stationary ring 5, while corresponding gap Place is equipped with corresponding stationary ring sealing ring 4, seal ring of moving ring 6 and retaining ring 8, this makes corresponding seal ring of moving ring 6, stationary ring close Seal 4 and 8 overall structure of retaining ring are more firm, guarantee corresponding sealing effect, while in the inboard socket of mounting groove 12 There is big spring 10, corresponding big spring 10 pushes throw-out collar 7 to move to the right and carries out accordingly to the seal ring of moving ring 6 of 9 bottom side of rotating ring Extruding cooperate corresponding rotating ring 9 to play with the friction of stationary ring 5 double so that seal ring of moving ring 6 is more bonded inboard shaft 1 The sealing effect of weight, corresponding better tightness, structure design is close reasonable, has very strong practicability, is suitble to promote.

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 big spring mechanical sealing assembly, including gland (2) and shaft (1), it is characterised in that: shaft (1) right end It is socketed with gland (2), inner end offers card slot on the left of the gland (2), and the card slot left end is equipped with fixing seat (3), the pressure It covers (2) inboard and is equipped with stationary ring (5), be equipped with stationary ring sealing ring (4) between the stationary ring (5) and gland (2), the stationary ring (5) is left End is equipped with rotating ring (9), and rotating ring (9) lower left side is socketed with seal ring of moving ring (6), the throw-out collar (7) of the rotating ring (9) and left end Docking is connected, and the throw-out collar (7) is installed on big spring (10) by card column, and big spring (10) left end is equipped with mounting base (11), mounting base (11) inboard offers mounting groove (12).

2. a kind of big spring mechanical sealing assembly according to claim 1, it is characterised in that: on the left of the fixing seat (3) Depth of section be greater than right side depth of section, the mounting base (11), throw-out collar (7), rotating ring (9) are respectively positioned on fixing seat (3) It is inboard.

3. a kind of big spring mechanical sealing assembly according to claim 1, it is characterised in that: opened on the mounting base (11) Equipped with the first pin hole (14), the mounting groove (12) of mounting base (11) inboard is installed with card column, the card column and big spring (10) docking is connected.

4. a kind of big spring mechanical sealing assembly according to claim 1, it is characterised in that: rotating ring (9) bottom side with And the upside of stationary ring (5) is installed with lug boss, there are gap, institutes between the lug boss and stationary ring (5) on the upside of the rotating ring (9) Gap inboard is stated equipped with retaining ring (8), the rectangular in cross-section shape of the retaining ring (8).

5. a kind of big spring mechanical sealing assembly according to claim 1, it is characterised in that: the big spring (10) is many Yu Sigen, throw-out collar (7) upside are installed with groove (13), and the section depth of the groove (13) is greater than cutting for big spring (10) Face diameter.

6. a kind of big spring mechanical sealing assembly according to claim 1, it is characterised in that: opened up on the gland (2) Have the second pin hole (15), second pin hole (15) set there are four and circular array be distributed.