CN215763267U

CN215763267U - Sealing ring

Info

Publication number: CN215763267U
Application number: CN202121551721.3U
Authority: CN
Inventors: 郑可可; 姜笑丽
Original assignee: Wenzhou Dongyi Machinery Manufacturing Co ltd
Current assignee: Wenzhou Dongyi Machinery Manufacturing Co ltd
Priority date: 2021-07-08
Filing date: 2021-07-08
Publication date: 2022-02-08
Anticipated expiration: 2031-07-08

Abstract

The utility model belongs to the technical field of compressor fittings and specifically relates to a sealing ring is related to, including a plurality of end to end connection annular splice piece, be provided with the slot on the splice piece, the slot is close to and is provided with the stopper on the open-ended lateral wall, the splice piece is kept away from one of stopper and is served and be provided with the inserted block, be formed with the spacing groove that supplies the inserted block to slide in between stopper and the slot lateral wall, spacing groove and slot intercommunication, the inserted block from the spacing groove insert the slot after, slide again extremely with the laminating of stopper lateral wall. The splicing block splicing device has the effect that splicing blocks are not easy to separate after being spliced.

Description

Sealing ring

Technical Field

The application relates to the field of compressor fittings, in particular to a sealing ring.

Background

The sealing ring is an annular sealing element with a notch, the sealing ring is placed in an annular groove of the sleeve, the sleeve and the shaft rotate together, and the sealing ring is tightly abutted against the inner hole wall of the static element by the elasticity of the pressed notch, so that the sealing effect can be achieved. Each contact surface is hardened and polished. The sealing ring is made of chromium-containing wear-resistant cast iron and can be used at the sliding speed of less than 100 m/s; if the sliding speed is in the range of 60 to 80m/s, the seal ring can be made of tin bronze.

The patent with the national publication number of CN206017097U discloses a packing sealing ring of a gas compressor, which comprises at least three arc-shaped sealing elements which are uniformly distributed and have the same shape, wherein the two ends of each arc-shaped sealing element are connected with the adjacent arc-shaped sealing elements in an interference fit manner through a connecting platform.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: when the sealing ring is spliced on the shaft in the sleeve, when the sealing ring is not compressed through the connecting platform, the three arc-shaped sealing pieces are very easy to separate under the action of external force after primary splicing.

SUMMERY OF THE UTILITY MODEL

In order to improve above-mentioned sealing ring and when not compressing tightly through the connection platform yet, three arc sealing member very easily receive the exogenic action and take place the problem of separation after preliminary concatenation, this application provides a sealing ring.

The application provides a sealing ring, adopts following technical scheme:

a sealing ring comprises a plurality of splicing blocks which are connected end to form a ring shape, wherein an inserting block is arranged at one end of each splicing block, a limiting groove for the inserting block to insert in the thickness direction is formed in the other end of each splicing block, a slot communicated with the limiting groove is further formed in each splicing block, and the inserting block is inserted in the radial direction through the slot.

By adopting the technical scheme, when the splicing blocks are spliced, the insertion blocks are inserted into the limiting grooves of the adjacent splicing blocks and then slide into the insertion grooves to realize the connection of the splicing blocks and the adjacent splicing blocks, the displacement of the splicing blocks along the thickness direction is limited, the connection stability between the adjacent splicing blocks is increased, and the splicing blocks are not easy to separate after being spliced with the adjacent splicing blocks.

Preferably, the outer side wall of the insert block inserted into the slot is attached to the inner side wall of the slot.

By adopting the technical scheme, when the insert blocks slide into the slots, the insert blocks of the splicing blocks are better abutted and tightly attached to the limiting blocks of the adjacent splicing blocks through abutting and tightly attaching the inner walls of the slots and the outer side walls of the insert blocks, and vibration generated by the splicing blocks and the adjacent splicing blocks during working is reduced.

Preferably, the side walls of the splicing blocks are provided with annular grooves, locking rings are detachably arranged in the annular grooves, and the locking rings extend into the annular grooves in the adjacent splicing blocks.

By adopting the technical scheme, the locking ring is arranged in the ring groove and connected to the two adjacent splicing blocks, and the locking ring limits the displacement generated along the radial direction of the locking ring after the splicing blocks are connected with the adjacent splicing blocks, so that the working state of the splicing blocks after splicing is finished is more stable.

Preferably, the annular groove is communicated with a limiting groove, and the limiting groove is used for inserting a locking ring.

By adopting the technical scheme, the annular groove is communicated with the limiting groove, so that the groove volume on the splicing block is reduced, the locking ring is inserted from the limiting groove, the volume of the groove formed on the splicing block and used for inserting the locking ring is reduced, and the structural strength of the splicing block is increased.

Preferably, the outer side wall of the locking ring is attached to and abutted against the inner side wall of the annular groove, and the outer side wall of the locking ring is attached to the inner side wall of the limiting groove.

Through adopting above-mentioned technical scheme, through the laminating of locking ring lateral wall, annular inner wall and spacing inslot wall, reduced the locking ring and put into the annular after because of the vibration that work produced, make the locking ring put into behind the annular more stable.

Preferably, the side wall of the ring groove is provided with a locking groove, and the side wall of the locking ring is provided with a locking block for inserting into the locking groove.

Through adopting above-mentioned technical scheme, insert in locking the inslot through the locking piece, spacing the locking ring and slided along the circumferential direction of annular in the annular, increased the stability of locking ring in the annular.

Preferably, when the locking ring is placed in the ring groove, the side wall of the locking ring close to the upper surface of the splicing block is lower than the upper surface of the splicing block.

By adopting the technical scheme, when the splicing blocks are spliced with the adjacent splicing blocks and work, the upper surfaces of the splicing blocks play a role in blocking oil, the side wall of the locking ring close to the upper surfaces of the splicing blocks is lower than the upper surfaces of the splicing blocks to form the oil leakage groove, the oil leakage groove plays a role in further blocking the leaked oil, and the sealing performance of the splicing blocks is enhanced.

Preferably, the side wall of the locking ring close to the upper surface of the splicing block is provided with a convex strip protruding towards the direction close to the upper surface of the splicing block.

Through adopting above-mentioned technical scheme, the staff takes out the locking ring from the annular through the centre gripping sand grip, conveniently knows and removes the locking between splice and the adjacent splice.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the splicing blocks are connected with the adjacent splicing blocks by inserting the insertion blocks into the slots of the adjacent splicing blocks and then sliding to abut against the limiting blocks to realize the connection of the splicing blocks and the adjacent splicing blocks, the limiting blocks limit the displacement of the splicing blocks along the thickness direction, the connection stability between the adjacent splicing blocks is increased, and the splicing blocks are not easy to separate after being spliced.

2. When the splicing blocks and the adjacent splicing blocks are spliced and work, the first blocking ring block can block oil leakage from the inside of the shaft to the outside of the sleeve, the second blocking ring block further strengthens the blocking effect on the oil leakage, and the first blocking ring block and the second blocking ring block enhance the sealing performance of the splicing blocks and the adjacent splicing blocks after splicing.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is an exploded view of the partial structure of fig. 1.

Description of reference numerals: 1. splicing blocks; 11. a slot; 12. inserting a block; 13. a limiting groove; 2. a ring groove; 21. a locking ring; 22. a locking groove; 23. a locking block; 24. and (4) raised strips.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses a sealing ring. Referring to fig. 1 and 2, the sealing ring of the embodiment of the present application is used in an air compressor, the sealing ring includes three end-to-end connected annular splicing blocks 1, one end of each splicing block 1 is fixedly connected with an insertion block 12, the length direction of the insertion block 12 extends along the circumferential length direction of the splicing block 1, the other end of the splicing block 1 is provided with a limiting groove 13 for the insertion block 12 to insert along the thickness direction of the splicing block 1, the width of the limiting groove 13 is greater than the width of the insertion block 12, a slot 11 communicated with the limiting groove 13 is further provided on the side wall of the splicing block 1, the length direction of the slot 11 extends along the circumferential length direction of the splicing block 1, the slot 11 is used for the insertion block 12 to insert along the radial direction of the splicing block 1, the insertion block 12 can slide to abut against the inner side wall of the slot 11 after being inserted into the slot 11 from the limiting groove 13, and the insertion block 12 can also directly insert into the slot 11 from the side wall where the slot 11 is located on the splicing block 1 and abut against the inner side wall of the slot 11.

Referring to fig. 1 and 2, the upper surface of the joint between the splicing block 1 and the adjacent splicing block 1 is provided with mutually communicated ring grooves 2, the ring grooves 2 are communicated with the limiting grooves 13, the length direction of the ring grooves 2 penetrates along the circumferential direction of the splicing block 1, the ring grooves 2 are internally clamped with locking rings 21 which are tightly attached to the inner side walls of the ring grooves 2, the locking rings 21 are also inserted into the corresponding limiting grooves 13 and are tightly attached to the inner side walls of the limiting grooves 13, the adjacent locking rings 21 are tightly attached to each other, the locking blocks 23 are integrally formed on the side walls of the three locking rings 21, the side wall of the ring groove 2 facing the self axis is provided with a locking groove 22 for the insertion of the locking block 23, the outer side wall of the locking block 23 is tightly attached to the inner side wall of the locking groove 22, a protruding strip 24 protruding towards the direction close to the upper surface of the splicing block 1 is integrally formed on the side wall of the locking ring 21 close to the upper surface of the splicing block 1, when the locking ring 21 is inserted into the limiting grooves 13, the side wall of the locking ring 21 facing away from the slot 11 is flush with the side wall of the tile 1.

Referring to fig. 1 and 2, when the locking ring 21 is placed in the annular groove 2, the side wall of the locking ring 21 close to the upper surface of the splicing block 1 is lower than the upper surface of the splicing block 1, an oil leakage groove is formed between the side wall of the locking ring 21 close to the upper surface of the splicing block 1 and the upper surface of the splicing block 1, the oil leakage groove is used for storing oil leaked from the outer ring side wall of the splicing block 1 and the inner ring side wall of the splicing block 1, the side wall of the oil leakage groove also plays a role in blocking oil leakage, and the effect of blocking oil leakage of the splicing block 1 is enhanced.

The implementation principle of the sealing ring in the embodiment of the application is as follows: the inserting blocks 12 of the splicing blocks 1 are inserted into the slots 11 of the adjacent splicing blocks 1, then the inserting blocks 12 slide to be attached to the side walls of the slots 11, and the relative displacement in the thickness direction of the splicing blocks 1 and the adjacent splicing blocks 1 after splicing is limited. After splicing the splice 1 and the jingle bell splice 1, through with the locking ring 21 with insert annular 2, spacing splice 1 with adjacent splice 1 splice the back along the displacement of self radial direction, rethread locking piece 23 and locking groove 22's cooperation, spacing locking ring 21 slides along splice 1's circumferential direction in annular 2.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A seal ring, characterized by: the splicing block comprises a plurality of splicing blocks (1) which are connected end to form a ring shape, wherein an inserting block (12) is arranged at one end of each splicing block (1), a limiting groove (13) for the inserting block (12) to insert in the thickness direction is formed in the other end of each splicing block (1), a slot (11) communicated with the limiting groove (13) is further formed in each splicing block (1), and the slot (11) is used for the inserting block (12) to insert in the radial direction.

2. A seal ring according to claim 1, wherein: the outer side wall of the insert block (12) inserted into the slot (11) is attached to the inner side wall of the slot (11).

3. A seal ring according to claim 2, wherein: be provided with annular (2) on the lateral wall of splice piece (1), can dismantle in annular (2) and be provided with locking ring (21), locking ring (21) extend to adjacent splice piece (1) on in annular (2).

4. A seal ring according to claim 3, wherein: annular groove (2) and spacing groove (13) intercommunication, spacing groove (13) still supply lock ring (21) to insert.

5. A seal ring according to claim 4, wherein: the lateral wall of locking ring (21) supports tightly with the laminating of the inside wall of annular (2), the lateral wall of locking ring (21) still laminates with the inside wall of spacing groove (13).

6. A seal ring according to claim 3, wherein: be provided with locking groove (22) on the lateral wall of annular (2), be provided with locking piece (23) that are used for inserting locking groove (22) on the lateral wall of locking ring (21).

7. A seal ring according to claim 3, wherein: when the locking ring (21) is placed in the annular groove (2), the side wall, close to the upper surface of the splicing block (1), of the locking ring (21) is lower than the upper surface of the splicing block (1).

8. A seal ring according to claim 3, wherein: and the side wall of the locking ring (21) close to the upper surface of the splicing block (1) is provided with a convex strip (24) protruding towards the direction close to the upper surface of the splicing block (1).