CN210830480U - Prevent mechanical seal subassembly of leakage - Google Patents

Abstract

The utility model relates to a prevent mechanical seal subassembly of leakage, including axle sleeve and locating plate, the right-hand member periphery of axle sleeve is provided with the rotating ring, and the left end of rotating ring is fixed with quiet ring, and the inside of quiet ring is provided with the spacer sleeve simultaneously, the left end of quiet ring passes through supporting spring seat and transmission seat and bearing box interconnect, and the left end of bearing box installs bearing gland, the locating plate passes through drive screw and fixes the right-hand member at the transmission seat, the left end of quiet ring passes through stop pin and spring seat interconnect, and the right-hand member of quiet ring passes through transmission pin and axle sleeve interconnect, hexagon screw and bearing box interconnect are passed through at the middle part of transmission seat, and the left side of transmission seat is provided with the bearing, and the outer end of bearing is provided with the oil blanket simultaneously, the outside parcel axle sleeve sealing washer of axle. This prevent mechanical seal subassembly of leakage can avoid the material to leak and cause the damage to the bearing, increases the leakproofness of device simultaneously.

Description

Prevent mechanical seal subassembly of leakage

[ technical field ] A method for producing a semiconductor device

The utility model relates to a bearing connection field, concretely relates to prevent mechanical seal subassembly of leakage.

[ background of the invention ]

The mechanical seal is a universal shaft seal device, is commonly used for rotary fluid machinery such as pumps, compressors, reaction stirring kettles and the like, is also used for sealing gear boxes, valves, rotary joints, ship tail shafts and the like, and is a device for solving the problem of sealing between a rotary shaft and a machine body.

But most external machine seals structure at present causes the material easily to leak and cause destruction to the bearing, and the material of leaking causes the spring to block up easily simultaneously. Aiming at the problems, the novel anti-leakage mechanical seal assembly is innovatively designed on the basis of the original anti-leakage mechanical seal assembly.

[ Utility model ] content

In order to solve the problem, an object of the utility model is to provide a prevent mechanical seal subassembly of leakage, solved current most press brake fixed operation loaded down with trivial details at present, and be not convenient for get the spare and place the pipe fitting, reduced work efficiency's problem.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a leakage-proof mechanical seal assembly comprises a shaft sleeve and a positioning plate, wherein a movable ring is arranged on the periphery of the right end of the shaft sleeve, a static ring is fixed at the left end of the movable ring, a spacer sleeve is arranged in the static ring, the left end of the static ring is connected with a bearing box body through a supporting spring seat and a transmission seat, a bearing gland is arranged at the left end of the bearing box body, the positioning plate is fixed at the right end of the transmission seat through a transmission screw, the left end of the static ring is connected with the spring seat through an anti-rotation pin, the right end of the static ring is connected with the shaft sleeve through the transmission pin, the middle part of the transmission seat is connected with the bearing box body through a hexagon screw, a bearing is arranged at the left side of the transmission seat, an oil seal is arranged at the outer end of the bearing, a shaft sleeve seal ring is wrapped at the outer side of the shaft, the periphery of spring holder parcel has the spring holder sealing washer, and the inner of spring holder passes through spacer sleeve sealing washer and spacer sleeve interconnect, and the lower extreme middle part of spring holder is fixed with the leakage pipe simultaneously.

The utility model provides a prevent mechanical seal subassembly of leakage further sets up to: the inside of axle sleeve rotates with the axle sleeve sealing washer to be connected, and the axle sleeve sealing washer distributes about the vertical axis symmetry of axle sleeve has two.

The utility model provides a prevent mechanical seal subassembly of leakage further sets up to: the static ring and the spring seat form a telescopic mechanism through supporting springs, and the number of the supporting springs is four at the right end of the spring seat.

The utility model provides a prevent mechanical seal subassembly of leakage further sets up to: the bearing box body and the bearing gland are of a detachable installation mechanism and are fixedly connected.

The utility model provides a prevent mechanical seal subassembly of leakage further sets up to: the locating plate and the shaft sleeve are of a welding integrated structure, and the included angle between the locating plate and the shaft sleeve is 90 degrees.

The utility model provides a prevent mechanical seal subassembly of leakage further sets up to: the bearing is rotationally connected with the bearing box body, and oil seals are symmetrically distributed at the left end and the right end of the bearing.

The utility model provides a prevent mechanical seal subassembly of leakage further sets up to: the spring seat sealing rings are rotatably connected with the spring seats, and the two spring seat sealing rings are symmetrically distributed on the horizontal axis of the spring seats.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) this prevent mechanical seal subassembly of leakage increases the compactness between axle sleeve and the rotator through being connected of axle sleeve and axle sleeve sealing washer, improves the leakproofness of device, and the telescopic machanism of quiet ring and spring holder is convenient for remove about the rotator and cushions, improves the stability of rotator.

(2) This prevent mechanical seal subassembly of leakage, dismantlement installation mechanism person of installing through bearing box and bearing gland cleans or changes the bearing, improves the security of device during operation, and the welding integral structure of locating plate and axle sleeve has increased the steadiness of device to convenient to use person fixes between with locating plate and the machine.

(3) This prevent mechanical seal subassembly of leakage can reduce the wearing and tearing between bearing and the bearing box through the rotating-structure of bearing and bearing box, improves the life of bearing, and the spring seal is convenient for improve the frictional force between spring holder and the quiet ring with being connected of spring holder, stabilizes being connected between the two.

[ description of the drawings ]

Fig. 1 is a schematic front structural view of the present invention;

fig. 2 is an enlarged schematic structural diagram of a point a in fig. 1 of the present invention;

fig. 3 is a schematic side view of the present invention;

fig. 4 is a schematic side view of the supporting spring of the present invention.

In the figure: 1. the sealing device comprises a shaft sleeve, 2, a movable ring, 3, a static ring, 4, a spacer bush, 5, a supporting spring, 6, a spring seat, 7, a transmission seat, 8, a bearing box body, 9, a bearing gland, 10, a positioning plate, 11, a transmission screw, 12, an anti-rotation pin, 13, a transmission pin, 14, a hexagon screw, 15, a bearing, 16, an oil seal, 17, a shaft sleeve sealing ring, 18, a movable ring sealing ring, 19, a spring seat sealing ring, 20, a spacer bush sealing ring, 21 and a leakage pipe.

[ detailed description ] embodiments

A leak-proof mechanical seal assembly of the present invention is described in further detail below with reference to specific embodiments.

As shown in fig. 1-4, the utility model provides a technical solution: a leakage-proof mechanical seal assembly comprises a shaft sleeve 1, a movable ring 2, a static ring 3, a spacer 4, a supporting spring 5, a spring seat 6, a transmission seat 7, a bearing box 8, a bearing gland 9, a positioning plate 10, a transmission screw 11, an anti-rotation pin 12, a transmission pin 13, a hexagon screw 14, a bearing 15, an oil seal 16, a shaft sleeve sealing ring 17, a movable and static ring sealing ring 18, a spring seat sealing ring 19, a spacer sealing ring 20 and a leakage pipe 21, wherein the movable ring 2 is arranged on the periphery of the right end of the shaft sleeve 1, the static ring 3 is fixed at the left end of the movable ring 2, the spacer 4 is arranged inside the static ring 3, the left end of the static ring 3 is connected with the bearing box 8 through the supporting spring 5 and the transmission seat 7, the bearing gland 9 is arranged at the left end of the bearing box 8, the positioning plate 10 is fixed at the right end of the transmission seat 7 through the transmission screw 11, the left end of the static ring 3, the right end of the static ring 3 is connected with the shaft sleeve 1 through a transmission pin 13, the middle of the transmission seat 7 is connected with a bearing box body 8 through a hexagon screw 14, the left side of the transmission seat 7 is provided with a bearing 15, the outer end of the bearing 15 is provided with an oil seal 16, the outer side of the shaft sleeve 1 is wrapped with a shaft sleeve sealing ring 17, the inner side of the middle of the shaft sleeve 1 is connected with the movable ring 2 through a movable and static ring sealing ring 18, the periphery of the spring seat 6 is wrapped with a spring seat sealing ring 19, the inner end of the spring seat 6 is connected with the spacer 4 through a spacer sealing ring 20, and meanwhile, the middle of the lower end of the spring seat 6;

the interior of the shaft sleeve 1 is rotationally connected with a shaft sleeve sealing ring 17, two shaft sleeve sealing rings 17 are symmetrically distributed about a vertical axis of the shaft sleeve 1, the tightness between the shaft sleeve 1 and a rotating body is increased through the connection of the shaft sleeve 1 and the shaft sleeve sealing ring 7, and the sealing performance of the device is improved;

the fixed ring 3 and the spring seat 6 form a telescopic mechanism through the supporting springs 5 and the spring seats 6, four supporting springs 5 are arranged at the right end of the spring seat 6, and the telescopic mechanisms of the fixed ring 3 and the spring seats 6 are convenient for buffering the left and right movement of the rotating body, so that the stability of the rotating body is improved;

the bearing box body 8 and the bearing gland 9 are a detachable installation mechanism and are fixedly connected with each other, the detachable installation mechanism of the bearing box body 8 and the bearing gland 9 is convenient for a user to clean or replace the bearing 15, and the safety of the device during working is improved;

the positioning plate 10 and the shaft sleeve 1 are of a welding integrated structure, the included angle between the positioning plate 10 and the shaft sleeve 1 is 90 degrees, the welding integrated structure of the positioning plate 10 and the shaft sleeve 1 increases the stability of the device, and a user can fix the positioning plate 10 and a machine conveniently;

the bearing 15 is rotatably connected with the bearing box body 8, the left end and the right end of the bearing 15 are symmetrically provided with the oil seals 16, and the rotating structure of the bearing 15 and the bearing box body 8 can reduce the abrasion between the bearing 15 and the bearing box body 8 and prolong the service life of the bearing 15;

spring seat sealing washer 19 rotates with spring holder 6 to be connected, and spring seat sealing washer 19 has two about the horizontal axis symmetric distribution of spring holder 6, and spring seat sealing washer 19 is connected with spring holder 6 and is convenient for improve the frictional force between spring holder 6 and the quiet ring 3, stabilizes the connection between the two.

The utility model discloses a theory of operation is: when the device is used, according to the figures 1 and 3, firstly, a user sleeves a shaft sleeve 1 on the periphery of a rotating body, and fixedly connects a transmission pin 13 and a movable ring 2 with each other, so that the movable ring 2 and the shaft sleeve 1 are fixed together, and the fixed ring 3 and the spring seat 6 are connected with each other by using an anti-rotating pin 12, so that the rotation of the fixed ring 3 and the spring seat 6 is avoided, the buffer effect of the fixed ring 3 on the rotating body is improved, the slipping of a movable and fixed ring sealing ring 18 is avoided from rotating, and the working stability of the device is improved;

according to fig. 2 and 4, in the using process, the rotating body rotates to drive the shaft sleeve 1 to rotate, and meanwhile, when the shaft sleeve 1 is vibrated, the movable ring 2 and the stationary ring 3 are pushed to move towards the spring seat 6, so that the supporting spring 5 is in a compressed state, and when the vibration disappears, the supporting spring 5 in the compressed state pushes the movable ring 2 and the stationary ring 3 to move rightwards, so that the shaft sleeve 1 moves towards the right end of the rotating body, and the leakage-proof operation is continued on the rotating body, the spacer 4 can be placed to prevent the leakage material from flowing outwards at the joint of the stationary ring 3 and the spring seat 6, so that the sealing performance of the device is improved, and the working principle of the leakage-proof mechanical sealing assembly is adopted.

The above-mentioned embodiments are merely illustrative of the principles and effects of the present invention, and some embodiments may be used, and are not intended to limit the present invention; it should be noted that, for those skilled in the art, without departing from the inventive concept, several variations and modifications can be made, which are within the scope of the present invention.

Claims (7)

1. The utility model provides a prevent mechanical seal subassembly of leakage, includes axle sleeve and locating plate, its characterized in that: the right end periphery of the shaft sleeve is provided with a movable ring, the left end of the movable ring is fixed with a static ring, the inner part of the static ring is provided with a spacer bush, the left end of the static ring is connected with the bearing box body through a supporting spring seat and a transmission seat, the left end of the bearing box body is provided with a bearing gland, the positioning plate is fixed at the right end of the transmission seat through a transmission screw, the left end of the static ring is connected with the spring seat through an anti-rotation pin, the right end of the static ring is connected with the shaft sleeve through a transmission pin, the middle part of the transmission seat is connected with the bearing box body through a hexagon screw, the left side of the transmission seat is provided with a bearing, the outer end of the bearing is provided with an oil seal, the outer side of the shaft sleeve is wrapped with a shaft sleeve seal ring, the inner side of the middle part of the shaft sleeve is connected with the movable ring through a movable ring seal ring, and a leakage pipe is fixed in the middle of the lower end of the spring seat.

2. A leak resistant mechanical seal assembly as set forth in claim 1 wherein: the inside of axle sleeve rotates with the axle sleeve sealing washer to be connected, and the axle sleeve sealing washer distributes about the vertical axis symmetry of axle sleeve has two.

3. A leak resistant mechanical seal assembly as set forth in claim 1 wherein: the static ring and the spring seat form a telescopic mechanism through supporting springs, and the number of the supporting springs is four at the right end of the spring seat.

4. A leak resistant mechanical seal assembly as set forth in claim 1 wherein: the bearing box body and the bearing gland are of a detachable installation mechanism and are fixedly connected.

5. A leak resistant mechanical seal assembly as set forth in claim 1 wherein: the locating plate and the shaft sleeve are of a welding integrated structure, and the included angle between the locating plate and the shaft sleeve is 90 degrees.

6. A leak resistant mechanical seal assembly as set forth in claim 1 wherein: the bearing is rotationally connected with the bearing box body, and oil seals are symmetrically distributed at the left end and the right end of the bearing.

7. A leak resistant mechanical seal assembly as set forth in claim 1 wherein: the spring seat sealing rings are rotatably connected with the spring seats, and the two spring seat sealing rings are symmetrically distributed on the horizontal axis of the spring seats.

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