CN208935390U

CN208935390U - A kind of mechanical seal being easily installed

Info

Publication number: CN208935390U
Application number: CN201821625434.0U
Authority: CN
Inventors: 刘建森
Original assignee: Anhui Ami Mechanical Seal Co Ltd
Current assignee: Anhui Ami Mechanical Seal Co Ltd
Priority date: 2018-09-28
Filing date: 2018-09-28
Publication date: 2019-06-04
Anticipated expiration: 2028-09-28

Abstract

The utility model discloses a kind of mechanical seals being easily installed, including stationary ring, rotating ring, spring base and stationary seat, the rotating ring is between stationary ring and spring base, the stationary ring is fixed on the inner radial surface of stationary seat, annular projection is equipped with back to the end face of the rotating ring on the stationary seat, the rotating ring upper end is equipped with the first L-type notch, the spring base upper end is equipped with the second L-type notch, cavity is equipped in the spring base, spring is equipped in the cavity, the rotating ring bottom is equipped with sealing ring, the utility model is equipped with the first L-type notch by rotating ring upper end, spring base upper end is equipped with the second L-type notch, cavity is equipped in spring base, spring is equipped in cavity, throw-out collar is equipped between spring and rotating ring, so that at spring in the cavities, prevent the side that spring is against rotating ring when installing and using from radially deviating from, stability is higher, It prevents impurity from entering in spring simultaneously, influences spring use, reduce the service life.

Description

A kind of mechanical seal being easily installed

Technical field

The utility model relates to technical field of mechanical, specially a kind of mechanical seal being easily installed.

Background technique

Mechanical seal is the sealing for rotary shaft, also known as end face seal, and main feature is sealing surface perpendicular to rotation Shaft axis, and have elastic component, the axial wear compensation mechanism of the compositions such as auxiliary seal ring.Therefore, also have referred to as mechanical close Envelope are as follows: " ring that slides axially sealing ".It is by a pair of or several to the end face for making opposite sliding perpendicular to axis, in Fluid pressure and benefit Elastic force (or magnetic force) effect for repaying mechanism lower keep being bonded and is equipped with auxiliary seal and reaches the gland seal device of Drain Resistance；Be usually used in from The equipment such as heart pump, centrifuge, reaction kettle, compressor, there are a circumferential clearance between axis and equipment cavity, equipment medium is therefrom let out Leakage, it is therefore necessary to set one of Drain Resistance device；Since mechanical seal has many advantages, such as that leakage few service life is long, it is close to become main axis Envelope mode.However existing mechanical seal, structure is more complicated, and it is more troublesome in terms of installation is with replacement, to manufacture processing It is required that also very high.

For this purpose, we release a kind of mechanical seal being easily installed.

Utility model content

The purpose of this utility model is to provide a kind of mechanical seals being easily installed, 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 mechanical seal being easily installed, including Stationary ring, rotating ring, spring base and stationary seat, for the rotating ring between stationary ring and spring base, the stationary ring is fixed on stationary seat Inner radial surface, is equipped with annular projection back to the end face of the rotating ring on the stationary seat, and the rotating ring upper end is equipped with the first L-type Notch, the spring base upper end are equipped with the second L-type notch, and cavity is equipped in the spring base, is equipped with spring, institute in the cavity Rotating ring bottom is stated equipped with sealing ring, the sealing ring and shaft are inconsistent.

Preferably, the stationary seat is rubber stationary seat.

Preferably, the annular projection is equipped with three groups.

Preferably, throw-out collar is equipped between the spring and rotating ring.

Preferably, the stationary ring is equipped with arc groove close to the side of stationary seat, and the stationary seat inside is equipped with and arc The arc convex that groove matches.

Preferably, the first L-type notch and the second L-type notch upper end are connected with cap tube.

Compared with prior art, the utility model has the beneficial effects that the utility model is equipped with the first L by rotating ring upper end Type notch, spring base upper end are equipped with the second L-type notch, and cavity is equipped in spring base, are equipped with spring in cavity, spring and rotating ring it Between be equipped with throw-out collar so that at spring in the cavities, preventing the side that spring is against rotating ring when installing and using from radially deviating from, surely It is qualitative higher, while preventing impurity from entering in spring, spring use is influenced, is reduced the service life, is equipped with the by rotating ring upper end One L-type notch, spring base upper end are equipped with the second L-type notch, and the first L-type notch and the second L-type notch upper end are connected with cap tube So that easier for installation.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is partial enlargement structural representation at A in the utility model Fig. 1；

Fig. 3 is partial enlargement structural representation at B in the utility model Fig. 1.

In figure: 1 stationary ring, 2 rotating rings, 3 spring bases, 4 stationary seats, 5 annular projections, 6 first L-type notches, 7 second L-type notches, 8 cavitys, 9 springs, 10 sealing rings, 11 shafts, 12 throw-out collars, 13 arc grooves, 14 arc convex, cap tube on 15.

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 mechanical seal being easily installed, including it is quiet Ring 1, rotating ring 2, spring base 3 and stationary seat 4, between stationary ring 1 and spring base 3, the stationary ring 1 is fixed on quiet the rotating ring 2 The inner radial surface of ring seat 4 is equipped with annular projection 5,2 upper end of rotating ring back to the end face of the rotating ring 2 on the stationary seat 4 Equipped with the first L-type notch 6,3 upper end of spring base is equipped with the second L-type notch 7, and cavity 8 is equipped in the spring base 3, described Spring 9 is equipped in cavity 8,2 bottom of rotating ring is equipped with sealing ring 10, and the sealing ring 10 and shaft 11 are inconsistent.

Specifically, the stationary seat 4 is rubber stationary seat, enhance sealing effect.

Specifically, the annular projection 5 is equipped with three groups.

Specifically, being equipped with throw-out collar 12 between the spring 9 and rotating ring 2.

Specifically, the stationary ring 1 is equipped with arc groove 13 close to the side of stationary seat 4, be equipped on the inside of the stationary seat 4 with The arc convex 14 that arc groove 13 matches, plays suggesting effect, prevents stationary ring 1 from instead filling, facilitates installation.

Specifically, the first L-type notch 6 and 7 upper end of the second L-type notch are connected with cap tube 15, the upper cap tube 15 Lower end is equipped with fixture block, and equipped with card slot, the fixture block matches the first L-type notch 6 and the second L-type notch 7 stated with card slot, Facilitate installation.

Specifically, 3 upper end of spring base is lacked equipped with the second L-type in use, being equipped with the first L-type notch 6 by 2 upper end of rotating ring Mouth 7, spring base 3 is interior to be equipped with cavity 8, spring 9 is equipped in cavity 8, equipped with throw-out collar 12 between spring 9 and rotating ring 2, so that spring 9 It is in cavity 8, prevents the side that spring 9 is against rotating ring 2 when installing and using from radially deviating from, stability is higher, prevents simultaneously Only impurity enters in spring 9, influences spring use, reduces the service life, and is equipped with the first L-type notch 6, bullet by 2 upper end of rotating ring 3 upper end of spring abutment is equipped with the second L-type notch 7, and the first L-type notch 6 and 7 upper end of the second L-type notch are connected with cap tube 15 and to pacify It fills more convenient.

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

1. a kind of mechanical seal being easily installed, including stationary ring (1), rotating ring (2), spring base (3) and stationary seat (4), feature Be: the rotating ring (2) is located between stationary ring (1) and spring base (3), and the diameter that the stationary ring (1) is fixed on stationary seat (4) is inside Surface is equipped with annular projection (5) back to the end face of the rotating ring (2) on the stationary seat (4), and rotating ring (2) upper end is equipped with First L-type notch (6), spring base (3) upper end are equipped with the second L-type notch (7), are equipped with cavity in the spring base (3) (8), spring (9) are equipped in the cavity (8), rotating ring (2) bottom is equipped with sealing ring (10), the sealing ring (10) with turn Axis (11) is inconsistent.

2. a kind of mechanical seal being easily installed according to claim 1, it is characterised in that: the stationary seat (4) is rubber Glue stationary seat.

3. a kind of mechanical seal being easily installed according to claim 1, it is characterised in that: the annular projection (5) sets There are three groups.

4. a kind of mechanical seal being easily installed according to claim 1, it is characterised in that: the spring (9) and rotating ring (2) throw-out collar (12) are equipped between.

5. a kind of mechanical seal being easily installed according to claim 1, it is characterised in that: the stationary ring (1) is close to quiet The side of ring seat (4) is equipped with arc groove (13), and the arc to match with arc groove (13) is equipped on the inside of the stationary seat (4) Raised (14).

6. a kind of mechanical seal being easily installed according to claim 1, it is characterised in that: the first L-type notch (6) Upper cap tube (15) are connected with second L-type notch (7) upper end.