CN211230562U - Labyrinth ring with high sealing performance - Google Patents

Labyrinth ring with high sealing performance Download PDF

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Publication number
CN211230562U
CN211230562U CN201922383222.7U CN201922383222U CN211230562U CN 211230562 U CN211230562 U CN 211230562U CN 201922383222 U CN201922383222 U CN 201922383222U CN 211230562 U CN211230562 U CN 211230562U
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China
Prior art keywords
labyrinth ring
ring
semicircular
labyrinth
semicircle
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CN201922383222.7U
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Chinese (zh)
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李双钰
李双树
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Kunshan Luoli Precision Machinery Co ltd
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Kunshan Luoli Precision Machinery Co ltd
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Abstract

The utility model discloses a high-tightness labyrinth ring, which comprises a semicircular labyrinth ring A and a semicircular labyrinth ring B, wherein the semicircular labyrinth ring A is arranged at the rear end of the semicircular labyrinth ring B, the inner circumferential walls of the semicircular labyrinth ring A and the semicircular labyrinth ring B are internally connected with an internal sealing groove, the internal sealing ring is connected with the internal sealing ring, and a butt joint reinforcing device is respectively arranged in the upper outer wall of the joint part at the left end and the right end of the labyrinth ring, so that the novel butt joint reinforcing device can play a role in reinforcing and connecting the two semicircular labyrinth rings after closed connection, thereby preventing the two semicircular labyrinth rings from loosening after butt joint completion and installation and use due to the influence of external force on the closed part, effectively increasing the firmness and stability of the two semicircular labyrinth rings after butt joint fixation, and optimizing the sealing effect of the whole labyrinth ring when in use, and meanwhile, the service life and the durability of the whole labyrinth ring can be improved.

Description

Labyrinth ring with high sealing performance
Technical Field
The utility model belongs to the technical field of labyrinth seal is relevant, concretely relates to labyrinth ring of high leakproofness.
Background
The labyrinth seal is a seal with many zigzag small chambers between rotating part and fixed part to reduce leakage, and is an ideal labyrinth flow channel model, and several annular sealing teeth are arranged around the rotating shaft, and between teeth a series of cut-off gaps and expansion cavities are formed, so that the sealed medium can produce throttling effect when passing through the zigzag labyrinth gap to attain the goal of resisting leakage.
The prior labyrinth ring technology has the following problems: the influence that current labyrinth ring received its mounting means all is designed into the labyrinth ring of two semicircle forms basically, and need dock the labyrinth ring of two semicircle forms when the installation and just can form a holistic sealing ring and use, and the labyrinth ring of two traditional semicircle forms all is direct when carrying out the butt joint installation to laminate the butt joint to the labyrinth ring opening part of two semicircle forms, then cup joint the outer seal circle and use in both outsides, and two semicircle labyrinth rings of this mode butt joint then can cause the labyrinth ring of two semicircle forms easily to produce when using not hard up, and also can cause the labyrinth ring of two semicircle forms to break away from each other easily, thereby can cause whole labyrinth ring can not normal use.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a labyrinth ring of high leakproofness to the labyrinth ring of two traditional semicircle forms that propose in solving above-mentioned background art all is that the direct butt joint of laminating the labyrinth ring opening part of two semicircle forms when docking the installation, then cup joints the outer seal circle and uses in both outsides, and two semicircle labyrinth rings of this mode butt joint then can cause the labyrinth ring of two semicircle forms to produce not hard up problem when using easily.
In order to achieve the above object, the utility model provides a following technical scheme: a high-sealing-performance labyrinth ring comprises a semicircular labyrinth ring A and a semicircular labyrinth ring B, wherein the semicircular labyrinth ring A is installed at the rear end of the semicircular labyrinth ring B, the inner circumferential walls of the semicircular labyrinth ring A and the semicircular labyrinth ring B are internally connected with a sealing inner groove, the inner part of the sealing inner groove is connected with an inner sealing ring, the inner circumferential ends of the inner sealing ring are respectively arranged outside the inner circumferential walls of the semicircular labyrinth ring A and the semicircular labyrinth ring B, the outer circumferential walls of the semicircular labyrinth ring A and the semicircular labyrinth ring B are internally connected with a sealing outer groove, the inner sealing outer groove is internally connected with an outer sealing ring, the outer half section of the outer sealing ring is arranged on the outer circumferential walls of the semicircular labyrinth ring A and the semicircular labyrinth ring B, the inner parts of the upper outer walls at the combination parts of the left end and the right end of the semicircular labyrinth ring A and the semicircular labyrinth ring B are both connected with a butt joint reinforcing device, and the inner parts of the upper outer walls at the centers of the semicircular labyrinth ring, the butt joint reinforcing apparatus that semicircle labyrinth ring A and semicircle labyrinth ring B right-hand member are connected is last to be provided with two vertical draw-in grooves, two vertical draw-in groove is connected respectively inside semicircle labyrinth ring A and semicircle labyrinth ring B right-hand member combination department upper end outer wall, two the outermost end of vertical draw-in groove all is connected with horizontal draw-in groove, two vertical draw-in groove internal connection has the longitudinal connection card, the both ends of longitudinal connection card all are connected with horizontal embedded card, two horizontal embedded card is connected respectively in the inside of two horizontal draw-in grooves.
Preferably, all be provided with the butt joint inserted bar on the front end outer wall of semicircle labyrinth ring B opening part left and right sides, semicircle labyrinth ring A opening part left and right sides front end outer wall is inside all to be provided with the butt joint jack, two the inside that can be complete the butt joint inserted bar respectively inserts the butt joint jack.
Preferably, semicircle labyrinth ring A and semicircle labyrinth ring B are semi-circular ring structure, form complete circular ring structure after semicircle labyrinth ring A and the butt joint of semicircle labyrinth ring B are closed, semicircle labyrinth ring A and the butt joint of semicircle labyrinth ring B are closed the back upper and lower both ends outer wall and are equallyd divide and do not keep the parallel and level.
Preferably, the semi-circle labyrinth ring A and the semi-circle labyrinth ring B are internally connected with four sealing inner grooves which are arranged at equal intervals, the four sealing inner grooves are internally connected with inner sealing rings, and the four inner sealing rings are of complete circular annular structures.
Preferably, the inner seal ring and the outer seal ring are both annular structures formed by soft rubber, and the circumferential inner wall of the inner seal ring and the circumferential outer wall of the outer seal ring are smooth walls.
Preferably, the longitudinal connection card is connected at the inside back longitudinal connection card of two longitudinal grooves about both ends outer wall respectively with two longitudinal grooves about both ends inner wall laminating, the both ends outer wall of two horizontal embedded cards after the horizontal embedded card at longitudinal connection card both ends is embedded to the inside of two horizontal clamping grooves about both ends outer wall respectively with the both ends inner wall laminating of two horizontal clamping grooves.
Compared with the prior art, the utility model provides a labyrinth ring of high leakproofness possesses following beneficial effect:
1. the utility model discloses an all increase a butt joint reinforcing apparatus in this labyrinth ring left and right ends junction upper end outer wall, this novel butt joint reinforcing apparatus can play the reinforcement connection effect to two semicircle labyrinth rings after the closure connection, can prevent like this that two semicircle labyrinth rings from receiving external force influence closure department to produce the condition emergence of becoming flexible after the butt joint is accomplished and is installed and used, thus can be effectual the fastness and the stability of two semicircle labyrinth rings after the butt joint is fixed of increase, make its sealed effect of whole labyrinth ring can reach the optimization when using, also can increase the life and the durability of whole labyrinth ring simultaneously;
2. the specific application and principle of the butt joint reinforcing device of the utility model are as follows, taking the butt joint reinforcing device which uses the connection of the right end of the semicircular labyrinth ring A and the semicircular labyrinth ring B as an example, when the plate semicircular labyrinth ring A and the semicircular labyrinth ring B are in butt joint and are closed, at the moment, two longitudinal clamping grooves on the outer wall of the upper end of the right side of the semicircular labyrinth ring A and the semicircular labyrinth ring B are connected together, two transverse embedded clamping pieces on the butt joint reinforcing device are respectively connected with the two ends of a longitudinal connecting clamping piece, when the butt joint reinforcing device is installed, only the longitudinal connecting clamping pieces are aligned with the longitudinal clamping grooves which are connected together and are inserted into the longitudinal clamping grooves by knocking, and the transverse embedded clamping pieces at the two ends of the longitudinal connecting clamping pieces are respectively embedded into the transverse clamping grooves at one ends of the two longitudinal clamping grooves, when the semicircular labyrinth ring A and the semicircular labyrinth ring B which are closed together are, at this moment, because the horizontal embedded cards at the two ends of the longitudinal connecting card are embedded and fixed inside the two horizontal clamping grooves respectively, the two horizontal embedded cards can be limited inside the two horizontal clamping grooves to prevent the two closed semicircular labyrinth rings A and the semicircular labyrinth rings B from being separated, so that the semicircular labyrinth rings A and the semicircular labyrinth rings B are firmly connected together, and the situation that the closed semicircular labyrinth rings A and the semicircular labyrinth rings B are loosened and separated when in use can be effectively prevented.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:
fig. 1 is a schematic view of a three-dimensional structure of a labyrinth ring with high sealing performance according to the present invention;
fig. 2 is a schematic view of a split and analyzed structure of a labyrinth ring with high sealing performance according to the present invention;
fig. 3 is a schematic view of a partial three-dimensional structure of the docking reinforcement device provided by the present invention;
fig. 4 is a schematic view of a planar arrangement structure of the docking reinforcement device provided by the present invention;
fig. 5 is a schematic structural view of an inner plane of a labyrinth ring with high sealing performance according to the present invention;
in the figure: 1. a semicircular labyrinth ring A; 2. a semicircular labyrinth ring B; 3. sealing the inner groove; 4. mounting a screw hole; 5. an inner seal ring; 6. sealing the outer groove; 7. an outer sealing ring; 8. butt joint reinforcing devices; 9. a transverse clamping groove; 10. a longitudinal slot; 11. transversely embedding a card; 12. longitudinally connecting the cards; 13. butting the inserted rods; 14. and (6) butting the jacks.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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. 1-5, the present invention provides a technical solution: a high-sealing-performance labyrinth ring comprises a semicircular labyrinth ring A1 and a semicircular labyrinth ring B2, wherein the semicircular labyrinth ring A1 is installed at the rear end of the semicircular labyrinth ring B2, a sealing inner groove 3 is connected inside the circumferential inner walls of the semicircular labyrinth ring A1 and the semicircular labyrinth ring B2, the semicircular labyrinth ring A1 and the semicircular labyrinth ring B2 are both semicircular ring structures, the semicircular labyrinth ring A1 and the semicircular labyrinth ring B2 are in a complete circular ring structure after being in butt joint and closed, the outer walls of the upper end and the lower end of the semicircular labyrinth ring A1 and the semicircular labyrinth ring B2 are in a butt joint and closed state and are respectively kept flush, so that the stability and the integrity of the two after being in butt joint and closed can be improved, the semicircular labyrinth ring A1 and the semicircular labyrinth ring B2 can be formed into a firm whole after being closed and put into use, an inner sealing ring 5 is connected inside the sealing inner end of the sealing inner groove 3, and the inner end of the inner sealing ring 5 is respectively arranged outside the circumferential inner walls of the semicircular labyrinth ring A85, the inner walls of the circumferences of the semicircular labyrinth ring A1 and the semicircular labyrinth ring B2 are internally connected with an outer sealing groove 6, the inner part of the outer sealing groove 6 is connected with an outer sealing ring 7, the insides of the semicircular labyrinth ring A1 and the semicircular labyrinth ring B2 are connected with four inner sealing grooves 3 which are arranged equidistantly, the insides of the four inner sealing grooves 3 are all connected with inner sealing rings 5, the four inner sealing rings 5 are all in a complete circular ring structure, the four inner sealing rings 5 can play a role of multiple sealing, so that when the sealing effect of one or two inner sealing rings 5 is influenced, the other two inner sealing rings 5 can also continue to play a role of sealing, the outer half section of the outer sealing ring 7 is arranged on the circumferences of the semicircular labyrinth ring A1 and the semicircular labyrinth ring B2, the insides of the upper end outer walls at the combination parts of the left and right ends of the semicircular labyrinth ring A1 and the semicircular labyrinth ring B2 are both connected with a butt reinforcing device 8, and the insides of the upper end outer walls at the centers of, all be provided with butt joint inserted bar 13 on the semicircle labyrinth ring B2 opening part left and right sides front end outer wall, semicircle labyrinth ring A1 opening part left and right sides front end outer wall is inside all to be provided with butt joint jack 14, two inside that butt joint inserted bar 13 can be complete respectively inserts butt joint jack 14, interior sealing washer 5 and outer seal ring 7 are by the annular structure that soft rubber constitutes, the circumference inner wall of interior sealing washer 5 and the circumference outer wall of outer seal ring 7 are smooth wall, both inside and outside walls are smooth wall can increase and be laminated the sealed effect between the article, thereby make its sealed effect of whole labyrinth ring after the installation can reach the optimization.
The utility model provides a labyrinth ring of high leakproofness, be provided with two vertical draw-in grooves 10 on the butt joint reinforcing apparatus 8 that semicircle labyrinth ring A1 and semicircle labyrinth ring B2 right-hand member are connected, two vertical draw-in grooves 10 are connected respectively inside semicircle labyrinth ring A1 and semicircle labyrinth ring B2 right-hand member combination department upper end outer wall, two vertical draw-in grooves 10's outermost end all is connected with horizontal draw-in groove 9, two vertical draw-in groove 10 internal connection have longitudinal tie card 12, longitudinal tie card 12's both ends all are connected with horizontal embedded card 11, two horizontal embedded card 11 are connected respectively in the inside of two horizontal draw-in grooves 9, longitudinal tie card 12 connects after two vertical tie card 10 inside longitudinal tie card 12's both ends outer wall respectively with the laminating of the both ends of controlling of two vertical draw-in grooves 10, the horizontal embedded card 11 at vertical tie card 12 both ends is embedded to the inside of two horizontal draw-in grooves 9 after two horizontal embedded card 11's both ends outer wall respectively When the semi-circular labyrinth ring A1 and the semi-circular labyrinth ring B2 are pulled outwards, the transverse embedded cards 11 at the two ends of the longitudinal connecting card 12 are embedded and fixed in the two transverse clamping grooves 9 respectively, so that the two transverse embedded cards 11 are limited in the two transverse clamping grooves 9 to prevent the two closed semi-circular labyrinth rings A1 and the semi-circular labyrinth ring B2 from being separated, and the semi-circular labyrinth rings A1 and the semi-circular labyrinth ring B2 are connected together firmly.
The utility model discloses a theory of operation and use flow: after the utility model is installed, when the high-sealing labyrinth ring is used, firstly, four inner sealing rings 5 are required to be equidistantly sleeved outside objects to be installed, then, a semicircular labyrinth ring A1 and a semicircular labyrinth ring B2 are respectively aligned with the outer parts of two ends of the four inner sealing rings 5 which are arranged equidistantly, then, four sealing inner grooves 3 inside the semicircular labyrinth ring A1 and the semicircular labyrinth ring B2 are respectively sleeved outside the four inner sealing rings 5, two butt joint insertion rods 13 at the opening of the semicircular labyrinth ring B2 after the semicircular labyrinth ring A1 and the semicircular labyrinth ring B2 are closed can be respectively and completely inserted inside two butt joint insertion holes 14 at the opening of the semicircular labyrinth ring A1, then, after the semicircular labyrinth ring A1 and the semicircular labyrinth ring B2 are closed, an outer sealing ring 7 is required to be sleeved inside a sealing outer groove 6 at the outer walls of the semicircular labyrinth ring A1 and the semicircular labyrinth ring B2, then, the equipment which needs to be additionally installed can be installed, and have all increased a butt joint reinforcing apparatus 8 inside the both ends junction upper end outer wall about this labyrinth ring, this neotype butt joint reinforcing apparatus 8 can play the reinforcement connection effect to two semicircle labyrinth rings after the closed connection, can prevent like this that two semicircle labyrinth rings from receiving external force after the butt joint is accomplished and the installation is used to influence the closed condition of producing not hard up and take place of department to can two effectual increase semicircle labyrinth rings fastness and stability after the butt joint is fixed.
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 (6)

1. The utility model provides a labyrinth ring of high leakproofness, includes semicircle labyrinth ring A (1) and semicircle labyrinth ring B (2), its characterized in that: the semicircular labyrinth ring A (1) is installed at the rear end of the semicircular labyrinth ring B (2), the inner circumferential walls of the semicircular labyrinth ring A (1) and the semicircular labyrinth ring B (2) are connected with an inner sealing groove (3), the inner part of the inner sealing groove (3) is connected with an inner sealing ring (5), the inner circumferential ends of the inner sealing ring (5) are respectively arranged outside the inner circumferential walls of the semicircular labyrinth ring A (1) and the semicircular labyrinth ring B (2), the outer circumferential walls of the semicircular labyrinth ring A (1) and the semicircular labyrinth ring B (2) are connected with an outer sealing groove (6), the outer sealing groove (6) is internally connected with an outer sealing ring (7), the outer half section of the outer sealing ring (7) is arranged on the outer circumferential walls of the semicircular labyrinth ring A (1) and the semicircular labyrinth ring B (2), the inner parts of the upper end outer walls of the combination positions of the left end and the right end of the semicircular labyrinth ring A (1) and the semicircular labyrinth ring B (2) are respectively, semicircle labyrinth ring A (1) and semicircle labyrinth ring B (2) center department upper end outer wall inside all is provided with installation screw (4) that the opening is ascending, be provided with two vertical draw-in grooves (10), two on butt joint reinforcing apparatus (8) that semicircle labyrinth ring A (1) and semicircle labyrinth ring B (2) right-hand member are connected vertical draw-in groove (10) are connected respectively inside semicircle labyrinth ring A (1) and semicircle labyrinth ring B (2) right-hand member combine the department upper end outer wall, two the outermost extreme of vertical draw-in groove (10) all is connected with horizontal draw-in groove (9), two vertical draw-in groove (10) internal connection has vertical connection card (12), the both ends of vertical connection card (12) embedded all are connected with horizontal embedded card (11), two horizontal draw-in groove (11) are connected respectively in the inside of two horizontal draw-in grooves (9).
2. The labyrinth ring with high sealing performance as claimed in claim 1, wherein: all be provided with butt joint inserted bar (13) on semicircle labyrinth ring B (2) opening part left and right sides front end outer wall, semicircle labyrinth ring A (1) opening part left and right sides front end outer wall is inside all to be provided with butt joint jack (14), two butt joint inserted bar (13) respectively can be complete insert the inside of butt joint jack (14).
3. The labyrinth ring with high sealing performance as claimed in claim 1, wherein: semicircle labyrinth ring A (1) and semicircle labyrinth ring B (2) are semi-circular annular structure, semicircle labyrinth ring A (1) and semicircle labyrinth ring B (2) butt joint form into complete circular annular structure after closed, semicircle labyrinth ring A (1) and semicircle labyrinth ring B (2) butt joint are closed the back upper and lower both ends outer wall and are equallyd divide and do not keep the parallel and level.
4. The labyrinth ring with high sealing performance as claimed in claim 1, wherein: semicircle labyrinth ring A (1) and semicircle labyrinth ring B (2) inside are connected with four sealed inside grooves (3) that the equidistance was arranged altogether, four the inside of sealed inside groove (3) all is connected with inner seal circle (5), four inner seal circle (5) are complete circular ring structure.
5. The labyrinth ring with high sealing performance as claimed in claim 1, wherein: the inner sealing ring (5) and the outer sealing ring (7) are both of an annular structure formed by soft rubber, and the circumferential inner wall of the inner sealing ring (5) and the circumferential outer wall of the outer sealing ring (7) are smooth walls.
6. The labyrinth ring with high sealing performance as claimed in claim 1, wherein: longitudinal tie card (12) are connected and are laminated with the both ends inner wall about two longitudinal grooves (10) respectively at the both ends outer wall of controlling of two longitudinal tie card (12) after two longitudinal tie card (10) are inside, the both ends outer wall of two horizontal embedded cards (11) respectively with the both ends inner wall laminating of two horizontal draw-in grooves (9) behind the horizontal embedded card (11) at longitudinal tie card (12) both ends embedded to the inside of two horizontal draw-in grooves (9).
CN201922383222.7U 2019-12-26 2019-12-26 Labyrinth ring with high sealing performance Active CN211230562U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922383222.7U CN211230562U (en) 2019-12-26 2019-12-26 Labyrinth ring with high sealing performance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922383222.7U CN211230562U (en) 2019-12-26 2019-12-26 Labyrinth ring with high sealing performance

Publications (1)

Publication Number Publication Date
CN211230562U true CN211230562U (en) 2020-08-11

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Application Number Title Priority Date Filing Date
CN201922383222.7U Active CN211230562U (en) 2019-12-26 2019-12-26 Labyrinth ring with high sealing performance

Country Status (1)

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CN (1) CN211230562U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113090340A (en) * 2021-04-08 2021-07-09 沈阳航空航天大学 Active clearance control labyrinth seal based on shape memory alloy

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113090340A (en) * 2021-04-08 2021-07-09 沈阳航空航天大学 Active clearance control labyrinth seal based on shape memory alloy
CN113090340B (en) * 2021-04-08 2023-02-14 沈阳航空航天大学 Active clearance control labyrinth seal based on shape memory alloy

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