CN211692939U

CN211692939U - Magnetic mechanical sealing device for pump

Info

Publication number: CN211692939U
Application number: CN202020386880.1U
Authority: CN
Inventors: 刘广栋; 苏浩; 严孝东
Original assignee: Qingdao Hangbao Electromechanical Equipment Co ltd
Current assignee: Qingdao Hangbao Electromechanical Equipment Co ltd
Priority date: 2020-03-24
Filing date: 2020-03-24
Publication date: 2020-10-16
Anticipated expiration: 2030-03-24

Abstract

The utility model discloses a magnetic force mechanical seal device for pump, including the axle sleeve body, the left side top cover of axle sleeve body has the locating piece, and the inside of locating piece is inserted and is equipped with first fixed screw, the right side top cover of first fixed screw has the rotating ring, and the sealed pad of inside fixedly connected with rotating ring of rotating ring, the right side top of rotating ring is inserted and is equipped with second fixed screw, the right side inside of rotating ring is inserted and is equipped with quiet ring, and the sealed pad of the inside fixedly connected with quiet ring of quiet ring, the sealed right side bottom of the sealed pad of quiet ring is inserted and is equipped with the third fixed screw. The utility model discloses be provided with liquid and glass, the device leaks the back, and liquid can the seepage advance axle sleeve body or this internal fluid of axle sleeve and get into contaminated liquid, and accessible glass observes bubble or liquid and is polluted discovery device seepage, through the sealed block of the fixed second of fourth fixed screw and the sealed block of sealing up block, during the dismantlement twist off the fourth fixed screw alright unpack the sealed block of second and seal up the block fast and seal up, save time.

Description

Magnetic mechanical sealing device for pump

Technical Field

The utility model relates to a mechanical seal technical field specifically is a magnetic mechanical seal device for pump.

Background

The mechanical seal is a device for preventing fluid leakage, which is formed by at least one pair of end faces perpendicular to a rotation axis, and the end faces are kept in fit and relatively slide under the action of fluid pressure and elastic force or magnetic force of a compensation mechanism and the cooperation of an auxiliary seal, and is commonly used for equipment such as a centrifugal pump, a centrifugal machine, a reaction kettle, a compressor and the like.

Most of the existing magnetic mechanical sealing devices do not have an effective anti-leakage device for early warning, the leakage time is often too long when the leakage is found, the damage of equipment cannot be stopped timely, the existing magnetic mechanical sealing devices are installed integrally, the maintenance and the disassembly are not easy, the time is delayed, and therefore the problem is solved by the pump magnetic mechanical sealing device urgently needed.

Disclosure of Invention

An object of the utility model is to provide a magnetic force mechanical seal device for pump to the unable difficult problem of discovering to leak and dismantle that proposes in the solution above-mentioned background art in time.

In order to achieve the above object, the utility model provides a following technical scheme: a magnetic mechanical sealing device for a pump comprises a shaft sleeve body, wherein a positioning block is sleeved at the top end of the left side of the shaft sleeve body, a first fixing screw is inserted into the positioning block, a movable ring is sleeved at the top end of the right side of the first fixing screw, a movable ring sealing gasket is fixedly connected into the movable ring, a second fixing screw is inserted into the top end of the right side of the movable ring, a static ring is inserted into the right side of the movable ring, a static ring sealing gasket is fixedly connected into the static ring, a third fixing screw is inserted into the bottom end of the right side of the static ring sealing gasket, a first sealing block is sleeved at the top end of the right side of the third fixing screw, a first permanent magnet is fixedly connected into the first sealing block, a sealing gasket is fixedly connected onto the top end of the first permanent magnet, a fourth fixing screw is inserted into the bottom end of the right side of the first permanent magnet, and a second sealing block is sleeved on, the rotary screw is inserted into the top end of the second sealing block, the second permanent magnet is inserted into the second sealing block, glass is fixedly connected to the top end of the left side of the second sealing block, liquid is filled into the second sealing block, and a shaft sealing gasket is sleeved on the top end of the right side of the shaft sleeve body.

Preferably, the first sealing block is of a fan-shaped structure, and the first sealing block and the second sealing block form a circular ring structure.

Preferably, the first permanent magnet is of a fan-shaped structure, and the radius of the first permanent magnet is larger than that of the second permanent magnet.

Preferably, the rotating screw is of a cylindrical structure, and the rotating screw and the second sealing block form a rotating structure.

Preferably, the second permanent magnet is of a fan-shaped structure, and the radius of the second permanent magnet is equal to that of the shaft sleeve body.

Preferably, the fourth fixing screws are arranged in two groups, and the fourth fixing screws are symmetrically distributed.

Compared with the prior art, the beneficial effects of the utility model are that: this magnetic force mechanical seal device for pump is provided with liquid and glass, and the device leaks the back, and liquid can the seepage advance axle sleeve body or the internal fluid entering of axle sleeve and pollute liquid, and bubble or liquid are observed by the pollution discovery device seepage to accessible glass, through the sealed piece of the fixed second of fourth fixed screw and the sealed block of sealing up block, twist off the fourth fixed screw during dismantlement alright unpack the sealed piece of second and sealed block fast apart and seal up, save time.

(1) The device is provided with liquid and glass, and after the device leaked, the liquid leaked into the shaft sleeve body or the fluid in the shaft sleeve body entered into the polluted liquid, and bubbles or liquid were observed through the glass to find the device leakage.

(2) The device passes through the sealed block of fourth fixed screw fixed second and the sealed block of sealing pad block, twists off the sealed pad of the sealed block of second alright quick unpack apart of fourth fixed screw during dismantlement, saves time.

Drawings

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

FIG. 2 is a schematic side view of the movable ring and shaft sleeve body structure of the present invention;

FIG. 3 is a schematic top view of the rotary screw and glass structure of the present invention;

fig. 4 is a schematic side view of the first sealing block and the second permanent magnet according to the present invention.

In the figure: 1. a shaft sleeve body; 2. positioning blocks; 3. a first fixing screw; 4. a moving ring; 5. a moving ring seal gasket; 6. a second fixing screw; 7. a stationary ring; 8. a stationary ring seal gasket; 9. a third fixing screw; 10. a first seal block; 11. a shaft seal; 12. a first permanent magnet; 13. a sealing block gasket; 14. a second seal block; 15. rotating the screw; 16. a second permanent magnet; 17. a liquid; 18. glass; 19. and a fourth fixing screw.

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. 1-4, the present invention provides an embodiment: a magnetic mechanical sealing device for a pump comprises a shaft sleeve body 1, wherein a positioning block 2 is sleeved at the top end of the left side of the shaft sleeve body 1, a first fixing screw 3 is inserted into the positioning block 2, a moving ring 4 is sleeved at the top end of the right side of the first fixing screw 3, a moving ring sealing gasket 5 is fixedly connected into the moving ring 4, a second fixing screw 6 is inserted into the top end of the right side of the moving ring 4, a static ring 7 is inserted into the right side of the moving ring 4, a static ring sealing gasket 8 is fixedly connected into the static ring 7, a third fixing screw 9 is inserted into the bottom end of the right side of the static ring sealing gasket 8, a first sealing block 10 is sleeved at the top end of the right side of the third fixing screw 9, a first permanent magnet 12 is fixedly connected into the first sealing block 10, the first sealing block 10 is of a fan-shaped structure, the first sealing block 10 and the second sealing block 14 form a ring-shaped structure, and the first sealing block 10 and the second sealing block 14 are clamped to fix, first permanent magnet 12 is fan-shaped structure, and the radius size of first permanent magnet 12 is greater than the radius size of second permanent magnet 16, can guarantee that second permanent magnet 16 laminates completely on first permanent magnet 12, prevents that the seam from having the clearance to cause the leakage.

A sealing block gasket 13 is fixedly connected to the top end of the first permanent magnet 12, fourth fixing screws 19 are inserted into the bottom end of the right side of the first permanent magnet 12, second sealing blocks 14 are sleeved on the surface of the top end of the fourth fixing screws 19, the fourth fixing screws 19 are arranged in two groups, the fourth fixing screws 19 are distributed symmetrically, the two groups of fourth fixing screws 19 can stably fix the first sealing block 10 and the second sealing block 14, a rotating screw 15 is inserted into the top end of the second sealing block 14, the rotating screw 15 is of a cylindrical structure, the rotating screw 15 and the second sealing block 14 form a rotating structure, the rotating screw 15 rotates in the second sealing block 14 and then can push down the second permanent magnet 16 to be sealed with the second sealing block 14, a second permanent magnet 16 is inserted into the second sealing block 14, the second permanent magnet 16 is of a fan-shaped structure, and the radius of the second permanent magnet 16 is equal to the radius of the shaft sleeve body 1, the second permanent magnet 16 is completely sleeved on the outer surface of the shaft sleeve body 1 to prevent leakage, the top end of the left side of the second sealing block 14 is fixedly connected with glass 18, liquid 17 is filled in the second sealing block 14, and the shaft sealing gasket 11 is sleeved on the top end of the right side of the shaft sleeve body 1.

The working principle is as follows: when the quick shaft body is used, according to the attached drawing 1, when the two quick shaft bodies are connected into the second sealing block 14, the second permanent magnet 16 and the first permanent magnet 12 are pushed to attract each other by rotating the rotating screw 15, after the first permanent magnet 12 and the second permanent magnet 16 are completely closed, when the shaft sleeve body 1 leaks, bubbles are generated, the bubbles penetrate through the sealing block sealing gasket 13 and enter the liquid 17, the liquid 17 enters the shaft sleeve body 1, the bubbles in the liquid 17 can be observed through the glass 18, the leakage of the device can be timely found for maintenance, or the liquid 17 can be discolored when the fluid in the shaft sleeve body 1 enters the liquid 17, and the liquid can be timely found by observing through the glass 18.

According to the attached drawing 4, the second sealing block 14 can be fixed to the first sealing block 10 by rotating the fourth fixing screw 19, and the sealing block gasket 13 and the second sealing block 14 can be tightly fixed by the fourth fixing screw 19, so that the disassembly is convenient and fast, and a large amount of time cost is saved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a magnetic force mechanical seal device for pump, includes axle sleeve body (1), its characterized in that: the shaft sleeve comprises a shaft sleeve body (1), wherein a positioning block (2) is sleeved at the top end of the left side of the shaft sleeve body (1), a first fixing screw (3) is inserted into the positioning block (2), a movable ring (4) is sleeved at the top end of the right side of the first fixing screw (3), a movable ring sealing gasket (5) is fixedly connected to the inner part of the movable ring (4), a second fixing screw (6) is inserted into the top end of the right side of the movable ring (4), a stationary ring (7) is inserted into the inner part of the right side of the movable ring (4), a stationary ring sealing gasket (8) is fixedly connected to the inner part of the stationary ring (7), a third fixing screw (9) is inserted into the bottom end of the right side of the stationary ring sealing gasket (8), a first sealing block (10) is sleeved at the top end of the right side of the third fixing screw (9), a first permanent magnet (12) is fixedly connected to the inner part of the first sealing, the right side bottom of first permanent magnet (12) is inserted and is equipped with fourth fixed screw (19), and the top surface cover of fourth fixed screw (19) has second sealed piece (14), the top of second sealed piece (14) is inserted and is equipped with rotatory screw (15), the inside of second sealed piece (14) is inserted and is equipped with second permanent magnet (16), the left side top fixedly connected with glass (18) of second sealed piece (14), the inside packing of second sealed piece (14) has liquid (17), the right side top cover of axle sleeve body (1) has axle sealed pad (11).

2. The magnetomechanical sealing device for a pump of claim 1, wherein: the first sealing block (10) is of a fan-shaped structure, and the first sealing block (10) and the second sealing block (14) form a circular ring-shaped structure.

3. The magnetomechanical sealing device for a pump of claim 1, wherein: the first permanent magnet (12) is of a fan-shaped structure, and the radius of the first permanent magnet (12) is larger than that of the second permanent magnet (16).

4. The magnetomechanical sealing device for a pump of claim 1, wherein: rotatory screw (15) are cylindrical structure, and rotatory screw (15) constitute rotary type structure with second seal block (14).

5. The magnetomechanical sealing device for a pump of claim 1, wherein: the second permanent magnet (16) is of a fan-shaped structure, and the radius of the second permanent magnet (16) is equal to that of the shaft sleeve body (1).

6. The magnetomechanical sealing device for a pump of claim 1, wherein: the fourth fixing screws (19) are arranged into two groups, and the fourth fixing screws (19) are symmetrically distributed.