CN208457205U - A kind of labyrinth auxiliary seal mechanical seal - Google Patents

A kind of labyrinth auxiliary seal mechanical seal Download PDF

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Publication number
CN208457205U
CN208457205U CN201820849670.4U CN201820849670U CN208457205U CN 208457205 U CN208457205 U CN 208457205U CN 201820849670 U CN201820849670 U CN 201820849670U CN 208457205 U CN208457205 U CN 208457205U
Authority
CN
China
Prior art keywords
seal
axle sleeve
ring
labyrinth
receptacle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201820849670.4U
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Chinese (zh)
Inventor
陈细凯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sichuan Zhongcheng Sealing Member Co Ltd
Original Assignee
Sichuan Zhongcheng Sealing Member Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sichuan Zhongcheng Sealing Member Co Ltd filed Critical Sichuan Zhongcheng Sealing Member Co Ltd
Priority to CN201820849670.4U priority Critical patent/CN208457205U/en
Application granted granted Critical
Publication of CN208457205U publication Critical patent/CN208457205U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to mechanical seal fields, specifically a kind of labyrinth auxiliary seal mechanical seal, including axle sleeve, locating piece, seal receptacle, primary seal system and labyrinth seal system, the locating piece is set on axle sleeve, sealed socket sleeve is located at outside axle sleeve and one end of seal receptacle is fixedly connected with locating piece, pressing plate is equipped between seal receptacle and locating piece, labyrinth seal system is mounted between axle sleeve and seal receptacle, primary seal system is mounted on the left end of axle sleeve, the first sealing ring being firmly connected with it is equipped in axle sleeve, the right end of axle sleeve is arranged with transmission ring, throw-out collar and spring are equipped between primary seal system and seal receptacle, the left end of spring and right end are fixedly connected with throw-out collar and seal receptacle respectively.The utility model has the beneficial effects that being sealed by labyrinth seal system external flushing water, in order to solve the problems, such as that northern winter makes outdoor low temperature flushing water easily freezes, this structure can also be run in the environment of no flushing water, will not wear axle sleeve as common mechanical seal.

Description

A kind of labyrinth auxiliary seal mechanical seal
Technical field
The utility model relates to mechanical seal field, specifically a kind of labyrinth auxiliary seal mechanical seal.
Background technique
Mechanical sealing member belongs to one of accurate, more complicated Mechanical Fundamentals element of structure, is various pump classes, reaction synthesis The critical component of the equipment such as kettle, turbocompressor, submersible motor.Its sealing performance and service life depend on many factors, such as Type selecting, is correctly installed and used the precision of machine.In order to improve the working environment of mechanical seal and improve its service life, Common mechanical sealing can all use outer flushing water to be rinsed, and the sealing means of the existing external flushing water of mechanical seal are more simple It is single, cause sealing effect bad, after long-time use, be easily damaged, secondly, low temperature rinses the water capacity in the outdoor in northern winter It easily freezes, therefore can not be rinsed, if running in the environment of no flushing water, be easy to wear axle sleeve.
Utility model content
The purpose of this utility model is to provide a kind of labyrinth auxiliary seal mechanical seals, to solve in above-mentioned background technique The problem of proposition.
The technical solution of the utility model is: including axle sleeve, locating piece, seal receptacle, primary seal system and labyrinth seal system System, the axle sleeve is cylindrical and it is internal in hollow structure, and the locating piece is set on axle sleeve, and sealed socket sleeve is located at axle sleeve External and seal receptacle one end is fixedly connected with locating piece, and pressing plate is equipped between the seal receptacle and locating piece, and the labyrinth is close Envelope system is mounted between axle sleeve and seal receptacle, and the primary seal system is mounted on the left end of axle sleeve, be equipped in the axle sleeve with Its first sealing ring being fixedly connected, the right end of axle sleeve are arranged with transmission ring, are equipped between the primary seal system and seal receptacle Throw-out collar and spring, the left end of the spring and right end are fixedly connected with throw-out collar and seal receptacle respectively.
In one preferred embodiment of the utility model, the primary seal system includes rotating ring, stationary ring, the second sealing ring and Seven sealing rings, the rotating ring and stationary ring are set in the left end of axle sleeve and rotating ring is located at the left end of stationary ring, second sealing ring It is mounted between stationary ring and seal receptacle, the 7th sealing ring is mounted between rotating ring and axle sleeve.
In one preferred embodiment of the utility model, the labyrinth seal system includes rotary packing ring, stationary seal ring, the 4th Sealing ring and the 5th sealing ring, the rotary packing ring is set in the right end of axle sleeve and between seal receptacle and axle sleeve, described quiet Sealing ring is located at the left end of rotary packing ring, and the 5th sealing ring is mounted between rotary packing ring and axle sleeve, the 6th sealing ring peace Between stationary seal ring and seal receptacle.
In one preferred embodiment of the utility model, third sealing ring, rotating ring and axle sleeve are arranged on the seal receptacle Between be equipped with the 6th sealing ring.
In one preferred embodiment of the utility model, transmission ring is equipped with the screw for locking transmission ring and axle sleeve, close Seat is sealed equipped with the bolt for installing seal receptacle.
The utility model provides a kind of labyrinth auxiliary seal mechanical seal by improving herein, compared with prior art, tool Have following improvement and advantage: it is close to form the progress of labyrinth seal system external flushing water by the design of rotary packing ring and stationary seal ring Envelope, in order to solve the problems, such as that northern winter makes outdoor low temperature flushing water easily freezes, this structure can also be in the environment of no flushing water Operation, will not wear axle sleeve as common mechanical seal.
Detailed description of the invention
The utility model is further explained with reference to the accompanying drawings and examples:
Fig. 1 is the cross-sectional view of the utility model;
Fig. 2 is the enlarged drawing in Fig. 1 at A;
Description of symbols: the first sealing ring 1, axle sleeve 2, rotating ring 3, stationary ring 4, the second sealing ring 5, throw-out collar 6, spring 7, the Three sealing rings 8, pressing plate 10, transmission ring 11, locating piece 12, rotary packing ring 13, stationary seal ring 14, screw 15, the 4th sealing ring 16, 5th sealing ring 17, seal receptacle 18, the 6th sealing ring 19, bolt 21, the 7th sealing ring 22.
Specific embodiment
The utility model is described in detail below in conjunction with attached drawing 1 to Fig. 2, to the skill in the utility model embodiment Art scheme is clearly and completely described, it is clear that and the described embodiments are only a part of the embodiments of the utility model, and The embodiment being not all of.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creativeness Every other embodiment obtained, fall within the protection scope of the utility model under the premise of labour.
The utility model provides a kind of labyrinth auxiliary seal mechanical seal by improving herein, as Figure 1-Figure 2, including Axle sleeve 2, locating piece 12, seal receptacle 18, primary seal system and labyrinth seal system, the axle sleeve 2 it is cylindrical and its inside be in Hollow structure, the locating piece 12 are set on axle sleeve 2, seal receptacle 18 be set in the outside of axle sleeve 2 and one end of seal receptacle 18 with Locating piece 12 is fixedly connected, and pressing plate 10 is equipped between the seal receptacle 18 and locating piece 12, and the labyrinth seal system is mounted on Between axle sleeve 2 and seal receptacle 18, the primary seal system is mounted on the left end of axle sleeve 2, is equipped with the company of being secured in the axle sleeve 2 The first sealing ring 1 connect, the right end of axle sleeve 2 are arranged with transmission ring 11, are equipped with and push away between the primary seal system and seal receptacle 18 Ring 6 and spring 7, the left end of the spring 7 and right end are fixedly connected with throw-out collar 6 and seal receptacle 18 respectively;When the mechanical seal is pacified It when on pump, is sealed between axle sleeve 2 and pump shaft by the first sealing ring 1, locating piece 12 rises between seal receptacle 18 and axle sleeve 2 To the effect of sealing, seal receptacle 18 is fixedly mounted on the pump housing, provides support, labyrinth for main sealing system and labyrinth seal system Sealing system is for the outer flushing water of auxiliary seal.
The primary seal system includes rotating ring 3, stationary ring 4, the second sealing ring 5 and the 7th sealing ring 22, the rotating ring 3 and quiet Ring 4 is set in the left end of axle sleeve 2 and rotating ring 3 is located at the left end of stationary ring 4, and second sealing ring 5 is mounted on stationary ring 4 and sealing Between seat 18, the 7th sealing ring 22 is mounted between rotating ring 3 and axle sleeve 2;It is close by second between stationary ring 4 and seal receptacle 18 Seal 5 forms the sealing to medium, is formed and is sealed to medium by the 7th sealing ring 22 between rotating ring 3 and axle sleeve 2.
The labyrinth seal system includes locating piece 12, stationary seal ring 14, the 4th sealing ring 16 and the 5th sealing ring 17, institute It states locating piece 12 and is set in the right end of axle sleeve 2 and between seal receptacle 18 and axle sleeve 2, the stationary seal ring 14 is located at locating piece 12 left end, the 5th sealing ring 17 are mounted between locating piece 12 and axle sleeve 2, and the 6th sealing ring 19 is mounted on stationary seal ring Between 14 and seal receptacle 18;It is sealed between locating piece 12 and axle sleeve 2 by the 4th sealing ring 16, stationary seal ring 14 and seal receptacle 18 Between with the 5th sealing ring 17 seal.
It is arranged with third sealing ring 8 on the seal receptacle 18, the 6th sealing ring 19 is equipped between rotating ring 3 and axle sleeve 2;The Three sealing rings 8 pass through the formation pair of the 6th sealing ring 19 for the sealing between seal receptacle 18 and the pump housing between rotating ring 3 and axle sleeve 2 The sealing of flushing water.
Transmission ring 11 is equipped with the screw 15 for locking transmission ring 11 and axle sleeve 2, and seal receptacle 18 is equipped with for installing The bolt 21 of seal receptacle 18;Transmission ring 11 and axle sleeve 2 are locked on pump shaft by screw 15, turn axle sleeve 2 together with pump shaft Dynamic, bolt 21 is for seal receptacle 18 to be fixedly connected with the pump housing.The utility model is when in use: will first give labyrinth auxiliary seal machine Tool is sealingly mounted on pump, is locked on pump shaft transmission ring 11 and axle sleeve 2 by screw 15, is turned axle sleeve 2 together with pump shaft It is dynamic, seal receptacle 18 is fixedly connected with the pump housing by bolt 21, rotating ring 3, stationary ring 4, the second sealing ring 5 and 22 shape of the 7th sealing ring Sealing will be isolated from the outside in pump at primary seal system, it is close by stationary seal ring 14, locating piece 12, the 4th sealing ring 16 and the 5th Seal 17 forms labyrinth seal system external flushing water and is sealed, and spring 7 is mounted between throw-out collar 6 and seal receptacle 18, is played The effect of compensation sealing is followed, throw-out collar 6 is mounted between stationary ring 4, seal receptacle 18 and spring 7, for preventing stationary ring 4 from rotating, and Cooperation spring 7 carries out stationary ring 4 to follow compensation.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein The widest scope consistent with features of novelty.

Claims (5)

1. a kind of labyrinth auxiliary seal mechanical seal, it is characterised in that: including axle sleeve (2), locating piece (12), seal receptacle (18), Primary seal system and labyrinth seal system, the axle sleeve (2) is cylindrical and it is internal in hollow structure, the locating piece (12) It is set on axle sleeve (2), seal receptacle (18) is set in one end of axle sleeve (2) outside and seal receptacle (18) and locating piece (12) are fixed Connection, is equipped with pressing plate (10) between the seal receptacle (18) and locating piece (12), and the labyrinth seal system is mounted on axle sleeve (2) Between seal receptacle (18), the primary seal system is mounted on the left end of axle sleeve (2), is equipped with and is secured in the axle sleeve (2) The first sealing ring (1) of connection, the right end of axle sleeve (2) are arranged with transmission ring (11), the primary seal system and seal receptacle (18) Between be equipped with throw-out collar (6) and spring (7), the left end of the spring (7) and right end respectively with throw-out collar (6) and seal receptacle (18) fixation Connection.
2. auxiliary seal mechanical seal in labyrinth according to claim 1, it is characterised in that: the primary seal system includes dynamic Ring (3), stationary ring (4), the second sealing ring (5) and the 7th sealing ring (22), the rotating ring (3) and stationary ring (4) are set in axle sleeve (2) left end and rotating ring (3) is located at the left end of stationary ring (4), and second sealing ring (5) is mounted on stationary ring (4) and seal receptacle (18) between, the 7th sealing ring (22) is mounted between rotating ring (3) and axle sleeve (2).
3. auxiliary seal mechanical seal in labyrinth according to claim 1, it is characterised in that: the labyrinth seal system includes Rotary packing ring (13), stationary seal ring (14), the 4th sealing ring (16) and the 5th sealing ring (17), the locating piece (12) are set in The right end of axle sleeve (2) and between seal receptacle (18) and axle sleeve (2), the stationary seal ring (14) is located at a left side for locating piece (12) End, the 5th sealing ring (17) are mounted between locating piece (12) and axle sleeve (2), and the 6th sealing ring (19) is mounted on static seal Between ring (14) and seal receptacle (18).
4. auxiliary seal mechanical seal in labyrinth according to claim 1, it is characterised in that: the upper set of the seal receptacle (18) Equipped with third sealing ring (8), the 6th sealing ring (19) is equipped between rotating ring (3) and axle sleeve (2).
5. auxiliary seal mechanical seal in labyrinth according to claim 1, it is characterised in that: transmission ring (11) is equipped with and is used for The screw (15) of transmission ring (11) and axle sleeve (2) is locked, seal receptacle (18) is equipped with the bolt for installing seal receptacle (18) (21).
CN201820849670.4U 2018-06-04 2018-06-04 A kind of labyrinth auxiliary seal mechanical seal Expired - Fee Related CN208457205U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820849670.4U CN208457205U (en) 2018-06-04 2018-06-04 A kind of labyrinth auxiliary seal mechanical seal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820849670.4U CN208457205U (en) 2018-06-04 2018-06-04 A kind of labyrinth auxiliary seal mechanical seal

Publications (1)

Publication Number Publication Date
CN208457205U true CN208457205U (en) 2019-02-01

Family

ID=65160155

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820849670.4U Expired - Fee Related CN208457205U (en) 2018-06-04 2018-06-04 A kind of labyrinth auxiliary seal mechanical seal

Country Status (1)

Country Link
CN (1) CN208457205U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110469675A (en) * 2019-09-19 2019-11-19 济南瑞高机械技术有限公司 A kind of side-feeding mixer mechanical seal
CN114087368A (en) * 2021-11-09 2022-02-25 无锡全世全流体科技有限公司 Combined sealing device for horizontal screw conveyor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110469675A (en) * 2019-09-19 2019-11-19 济南瑞高机械技术有限公司 A kind of side-feeding mixer mechanical seal
CN114087368A (en) * 2021-11-09 2022-02-25 无锡全世全流体科技有限公司 Combined sealing device for horizontal screw conveyor

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190201