CN217519222U

CN217519222U - Star-shaped sealing ring

Info

Publication number: CN217519222U
Application number: CN202221023556.9U
Authority: CN
Inventors: 周宇飞
Original assignee: Ningbo Maike Sealing Technology Co ltd
Current assignee: Ningbo Maike Sealing Technology Co ltd
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2022-09-30
Anticipated expiration: 2032-04-29

Abstract

The utility model relates to a sealing washer technical field just discloses star type sealing washer, including sealed the pad main part, the outside fixedly connected with concatenation of sealed pad main part presss from both sides the cover, T shape recess has been seted up in the outside of concatenation clamp cover bottom, supplementary spacing groove has been seted up in the outside that the concatenation pressed from both sides the cover, outer auxiliary seal cover has been cup jointed in the outside activity that the concatenation pressed from both sides the cover, outer auxiliary seal cover's the supplementary sealed pad of inside fixedly connected with. This star type sealing washer can drive the position of supplementary sealed pad through outer supplementary seal cover and carry out the joint and inject, supplementary sealed pad and T shape are injectd the cushion and are driven outer supplementary seal cover and cup joint and carry out supplementary centre gripping in the outside that the concatenation was pressed from both sides the cover and inject, and outer supplementary seal cover can be dismantled in the outside that the concatenation was pressed from both sides the cover promptly, when outer supplementary seal cover damages or needs seal up the sealing device of treating of different shapes, all can replace to the steadiness when increasing outer supplementary seal cover installation.

Description

Star-shaped sealing ring

Technical Field

The utility model relates to a sealing washer technical field specifically is star type sealing washer.

Background

The star-shaped ring is the most commonly used sealing element in the hydraulic cylinder, is a typical lip sealing element, can obtain good sealing effect no matter used for a piston or a piston rod, and is developed in order to increase the sealing effect.

In current star type sealing washer, lip sealing member shape and difference, when the externally mounted sealing washer to different shape lip sealing member, the sealed pad of different models of common production, and sealed pad external corner part appear when damaging, need seal up whole the replacement, produce sealed pad and the sealed outside damage of different models promptly and all need replace, can cause the problem of sealed pad manufacturing cost increase promptly.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to current star type sealing washer, the utility model provides a star type sealing washer possesses the outer auxiliary seal cover through producing different models, and outer auxiliary seal cover is mobile to be cup jointed in the outside that the concatenation pressed from both sides the cover, the inside of cushion difference joint at supplementary spacing groove and T shape recess is injectd to auxiliary seal pad and T shape simultaneously, can increase the leakproofness after the installation of outer auxiliary seal cover, after this accessible replacement outer auxiliary seal cover, make things convenient for sealed pad main part to install in the outside of different shape lip sealing members and work as outer auxiliary seal cover damage the back, the bad outer auxiliary seal cover of replacement, reduce the advantage of material loss promptly, the problem of proposing in the above-mentioned background art has been solved.

The utility model provides a following technical scheme: star type sealing washer, including sealed the sealed main part that fills up, the outside fixedly connected with concatenation of sealed main part presss from both sides the cover, T shape recess has been seted up in the outside of concatenation clamp cover bottom, supplementary spacing groove has been seted up in the outside that the concatenation pressed from both sides the cover, outer auxiliary seal cover has been cup jointed in the outside activity that the concatenation pressed from both sides the cover, the inside fixedly connected with auxiliary seal pad of outer auxiliary seal cover, the inboard fixedly connected with T of outer auxiliary seal cover lower part forms the restricted cushion, the outside fixedly connected with outside auxiliary seal area of outer auxiliary seal cover.

Preferably, the number of the splicing jackets is one at four corners of the outer part of the sealing gasket main body, and ninety degrees are formed between the two splicing jackets.

Preferably, the middle part of the sealing gasket main body is provided with a movable hole, and the section of the movable hole is circular.

Preferably, the T-shaped limiting rubber mat is movably sleeved inside the T-shaped groove, the T-shaped limiting rubber mat is T-shaped, three auxiliary limiting grooves are formed in two sides of the splicing jacket, and the auxiliary sealing gasket is movably sleeved inside the auxiliary limiting grooves.

Preferably, the inner sides of the two adjacent outer auxiliary sealing sleeves are fixedly connected with outer auxiliary sealing strips, and the two outer auxiliary sealing strips are in a parallel state.

With current star type sealing washer contrast, the utility model discloses possess following beneficial effect:

this star type sealing washer can drive the position of supplementary sealed pad through outer supplementary seal cover and carry out the joint and inject, supplementary sealed pad and T shape are injectd the cushion and are driven outer supplementary seal cover and cup joint and carry out supplementary centre gripping in the outside that the concatenation was pressed from both sides the cover and inject, and outer supplementary seal cover can be dismantled in the outside that the concatenation was pressed from both sides the cover promptly, when outer supplementary seal cover damages or needs seal up the sealing device of treating of different shapes, all can replace to the steadiness when increasing outer supplementary seal cover installation.

Drawings

FIG. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is a schematic view of the main body of the present invention in a partially cut-away and enlarged structure;

FIG. 3 is a schematic view of the sealing gasket main body according to the present invention, partially enlarged in cross-sectional structure;

fig. 4 is a schematic view of the auxiliary jacket according to the present invention.

In the figure: 1. a gasket body; 2. an outer splicing jacket; 3. a movable hole; 4. a T-shaped groove; 5. an auxiliary limit groove; 6. an outer auxiliary sealing sleeve; 7. an auxiliary gasket; 8. a T-shaped limiting rubber pad; 9. an outer auxiliary sealing strip.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

Referring to fig. 1, 2, 3 and 4, the star-shaped seal ring comprises a seal gasket main body 1, a splicing jacket 2 is fixedly connected to the outer side of the seal gasket main body 1, the splicing jacket 2 is limited at the outer part of the seal gasket main body 1, the splicing jacket 2 provides a limited region for sleeving and limiting an external auxiliary seal sleeve 6, a T-shaped groove 4 is formed in the outer side of the bottom of the splicing jacket 2, the T-shaped groove 4 provides a limited region for clamping a T-shaped limited rubber gasket 8, an auxiliary limit groove 5 is formed in the outer side of the splicing jacket 2, the auxiliary limit groove 5 provides auxiliary limitation for installing the position of an auxiliary seal gasket 7, the external auxiliary seal sleeve 6 is movably sleeved on the outer part of the splicing jacket 2, namely, the external auxiliary seal sleeve 6 is used for splicing the external part of a device to be sealed, the internal part of the external auxiliary seal sleeve 6 is fixedly connected with an auxiliary seal gasket 7, the inboard fixedly connected with T of outer auxiliary seal cover 6 lower part is described and is injectd cushion 8, and the outside fixedly connected with outside auxiliary seal area 9 of outer auxiliary seal cover 6, outside auxiliary seal area 9 are installed and are being pressed from both sides between cover 2 at two concatenations, and outside auxiliary seal area 9 can the joint treat clamping device's outside promptly, two outside auxiliary seal areas 9 promptly with treat to cup joint between the clamping device and prescribe a limit.

Referring to fig. 3, the four corners of the outside of the sealing gasket main body 1 are respectively provided with one splicing jacket 2, two splicing jackets 2 are arranged at ninety degrees, the splicing jackets 2 are fixedly connected with the four corners of the outside of the sealing gasket main body 1, and the two splicing jackets 2 are maintained at ninety degrees, namely, a groove can be formed between the adjacent splicing jackets 2 at intervals, the outside of the sealing device can be sealed through the groove, and four grooves are formed between the four splicing jackets 2, so that the splicing jackets 2 are arranged outside the sealing gasket main body 1, four squares outside the sealing gasket main body 1 can be subjected to sealing protection treatment, and the sealing protection effect is improved.

Referring to fig. 2, activity hole 3 has been seted up at the middle part of sealed pad main part 1, and the cross sectional shape in activity hole 3 is circular, has seted up activity hole 3 through the inside with sealed pad main part 1, reduces sealed pad main part 1 holistic material loss promptly, and activity hole 3 is circular simultaneously, can compress inside after receiving pressure, and sealed pad main part 1 plays the effect of buffering promptly.

Referring to fig. 2, 3 and 4, a T-shaped limiting rubber gasket 8 is movably sleeved inside a T-shaped groove 4, the T-shaped limiting rubber gasket 8 is T-shaped, three auxiliary limiting grooves 5 are respectively formed on both sides of a splicing jacket 2, an auxiliary sealing gasket 7 is movably sleeved inside the auxiliary limiting grooves 5, an outer auxiliary sealing jacket 6 is movably sleeved outside the splicing jacket 2, and the auxiliary limiting grooves 5 are formed on both sides of the splicing jacket 2, i.e. the outer auxiliary sealing jacket 6 can drive the position of the auxiliary sealing gasket 7 to be clamped and limited, the T-shaped limiting rubber gasket 8 is designed to be T-shaped, the T-shaped limiting rubber gasket 8 is clamped inside the T-shaped groove 4, the auxiliary sealing gasket 7 and the T-shaped limiting rubber gasket 8 drive the outer auxiliary sealing jacket 6 to be sleeved outside the splicing jacket 2 to be clamped and limited, i.e. the outer auxiliary sealing jacket 6 can be disassembled outside the splicing jacket 2, when the outer auxiliary sealing jacket 6 is damaged or when devices to be sealed in different shapes are required, can be replaced and the stability of the outer auxiliary sealing sleeve 6 during installation is increased.

Referring to fig. 2, the outer auxiliary sealing strips 9 are fixedly connected to the inner sides of two adjacent outer auxiliary sealing sleeves 6, the two outer auxiliary sealing strips 9 are in a parallel state, the outer auxiliary sealing strips 9 are fixedly connected to the inner sides of the outer auxiliary sealing sleeves 6, and the two outer auxiliary sealing strips 9 are in a parallel state, namely the outer auxiliary sealing strips 9 are conveniently clamped on the device to be clamped, and the sealing performance of clamping the gasket is improved.

The working principle is as follows: during the use, according to treating clamping device shape and variation in size, the outside activity that will splice the cover 2 is cup jointed outer auxiliary seal cover 6, and the inside auxiliary seal pad 7 of installing of outer auxiliary seal cover 6 and T shape are injectd the cushion 8 and can be moved about respectively and cup jointed in the inside of T shape recess 4 and supplementary spacing groove 5, increase the steadiness when installing between outer auxiliary seal cover 6 and the concatenation cover 2 and injecing promptly, so far when outer auxiliary seal cover 6 damages or needs different outer clamping device, can replace outer auxiliary seal cover 6, the outside fixedly connected with concatenation of sealed pad main part 1 presss from both sides cover 2 simultaneously, can conveniently outwards extend to the position of outer auxiliary seal cover 6, outer auxiliary seal cover 6 seals the effect of injecing to different angles or direction promptly.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Star type sealing washer, including sealed pad main part (1), its characterized in that: the outer side fixedly connected with concatenation of sealed pad main part (1) presss from both sides cover (2), T shape recess (4) have been seted up in the outside of concatenation clamp cover (2) bottom, supplementary spacing groove (5) have been seted up in the outside of concatenation clamp cover (2), the outside activity of concatenation clamp cover (2) has cup jointed outer auxiliary seal cover (6), the inside fixedly connected with auxiliary seal pad (7) of outer auxiliary seal cover (6), cushion (8) are injectd to the inboard fixedly connected with T shape of outer auxiliary seal cover (6) lower part, outside fixedly connected with outside auxiliary seal strip (9) of outer auxiliary seal cover (6).

2. The star-shaped seal ring of claim 1 wherein: the four corners of the splicing jackets (2) outside the sealing gasket main body (1) are respectively provided with one, and the two splicing jackets (2) form ninety degrees.

3. The star-shaped seal ring of claim 1 wherein: the middle part of the sealing gasket main body (1) is provided with a movable hole (3), and the cross section of the movable hole (3) is circular.

4. The star-shaped seal ring of claim 1 wherein: the T-shaped limiting rubber pad (8) is movably sleeved inside the T-shaped groove (4), the T-shaped limiting rubber pad (8) is T-shaped, three auxiliary limiting grooves (5) are formed in two sides of the splicing jacket (2), and the auxiliary sealing pad (7) is movably sleeved inside the auxiliary limiting grooves (5).

5. The star-shaped seal ring of claim 1 wherein: the inner sides of the two adjacent outer auxiliary sealing sleeves (6) are fixedly connected with outer auxiliary sealing strips (9), and the outer auxiliary sealing strips (9) are parallel.