CN217002416U

CN217002416U - Convenient connection structure who changes bearing seal

Info

Publication number: CN217002416U
Application number: CN202220542761.XU
Authority: CN
Inventors: 凌峰; 黄杰刚
Original assignee: Wenzhou Boge Mechanical Seal Co ltd
Current assignee: Wenzhou Boge Mechanical Seal Co ltd
Priority date: 2022-03-14
Filing date: 2022-03-14
Publication date: 2022-07-19
Anticipated expiration: 2032-03-14

Abstract

The utility model relates to a connecting structure for conveniently replacing a shaft seal, which comprises a connecting frame body, wherein a sealing cover body is arranged on the left side of the connecting frame body, a shaft seal body is arranged on the right side of the sealing cover body, clamping grooves are formed in the top and the bottom of the left side of the connecting frame body, clamping strips are fixedly arranged on the top and the bottom of the right side of the sealing cover body, a pressing block is pressed, the pressing block slides in a through groove to extrude a lifting plate to slide on the surface of a sliding rod, a supporting spring is extruded, and meanwhile, the lifting plate drives the clamping grooves to vertically move to be separated from the connection relation of the clamping strips; take out sealed apron, take out the bearing seal body simultaneously and change, ensured the convenience when changing the bearing seal body, in putting into the splice frame with the bearing seal body during installation, it is fixed to utilize sealed lid to drive card strip extrusion fixture block and carry out the joint, and it is rotatory to utilize the turning block to drive the dead lever simultaneously, makes the thread groove and the lifter plate threaded connection on fixed rod surface, plays the dead effect of fixed lock.

Description

Connecting structure for conveniently replacing shaft seal

Technical Field

The utility model relates to the technical field of shaft seal equipment, in particular to a connecting structure for conveniently replacing a shaft seal.

Background

The shaft seal is a friction seal or stuffing box used for preventing liquid leakage between a shaft of a compressor or other fluid conveying equipment and a bearing, and is a sealing device arranged for preventing leakage between a pump shaft and a shell. Common types of shaft seals are packing seals, mechanical seals and dynamic seals. The packing sealing structure is simple, low in price and convenient to maintain. But the leakage amount is large and the power loss is large; the mechanical seal has good sealing effect, small leakage amount, long service life, high price and higher requirements on processing, installation, maintenance and repair than the common seal. The power sealing performance is reliable, the price is low, the maintenance is convenient, but the power loss is larger than that of the mechanical seal, and the service life of the parking sealing device is shorter.

At present installation difficulty needs the operation personnel to proofread repeatedly to the degree of difficulty of dismantling is great, need consume certain time, can lead to the damage of oil blanket even, leads to sealed inefficacy, lacks the dead effect of lock after fixing simultaneously, leads to becoming flexible because of long-time the use, and sealed not fastening, therefore we need propose the connection structure of a convenient change bearing seal.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a connecting structure for conveniently replacing a shaft seal, which is characterized in that a pressing block is pressed, the pressing block slides in a through groove to extrude a lifting plate to slide on the surface of a sliding rod, a supporting spring is extruded, and meanwhile, the lifting plate drives a clamping groove to vertically move to be separated from the connection relation of clamping strips; take out sealed apron, take out the bearing seal body simultaneously and change, in putting into the connection frame with the bearing seal body during installation, utilize sealed lid to drive card strip extrusion fixture block and carry out the joint fixed, it is rotatory to utilize the turning block to drive the dead lever simultaneously, makes the thread groove and the lifter plate threaded connection on fixed rod surface, solves the problem that proposes among the above-mentioned background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the improved structure of the water tank comprises a connecting frame body, wherein a sealing cover body is arranged on the left side of the connecting frame body, a shaft seal body is arranged on the right side of the sealing cover body, clamping grooves are formed in the top and the bottom of the left side of the connecting frame body, clamping strips are fixedly arranged on the top and the bottom of the right side of the sealing cover body, a tank body is arranged on the top and the bottom of the inside of the connecting frame body, a lifting plate is connected between the two sides of the tank body in a sliding manner, a clamping block is fixedly arranged on the left side of the top of the lifting plate, the top of the clamping block penetrates through the top of the tank body and is clamped with the clamping strips, a pressing mechanism is arranged on one side of the lifting plate, which is far away from the shaft seal body, two supporting springs are arranged on one side of the lifting plate, which is far away from the pressing block, fixing rods are connected with the top and the bottom of the connecting frame body in a sliding manner, a rotating block is fixedly arranged at one end of the fixing rod, which is far away from the lifting plate, and a thread groove is integrally processed at one end of the fixing rod, which is far away from the rotating block, and the surface of the thread groove is in threaded connection with the inside of the lifting plate.

Further, pressing means is including pressing the briquetting, the groove body is kept away from one side of bearing seal body and has been seted up logical groove, just the top of pressing the briquetting runs through logical top and extension, press the briquetting and keep away from the one end of lifter plate and install the cushion, just the cushion sets up to the rubber cushion.

Further, the right side of the sealing cover body is provided with a sealing rubber ring, and the right side of the sealing rubber ring is connected with the left side of the connecting frame body.

Furthermore, the rotating block is a hexagonal rotating block, and the right side of the clamping strip and the top of the clamping block are inclined.

Further, the equal fixed mounting in both sides of lifter plate has the elevator, the lift groove has all been seted up to the both sides of cell body, just the surface of elevator and the inside sliding connection in lift groove.

Further, fixed mounting has two slide bars between the top of cell body and the bottom, just the surface of slide bar and the inside sliding connection of lifter plate, supporting spring's inside cup joints with the surface activity of lifter plate.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the device, when the pressing block is pressed, the pressing block slides in the through groove to extrude the lifting plate to slide on the surface of the sliding rod, the supporting spring is extruded, and meanwhile, the lifting plate drives the clamping groove to vertically move to be separated from the connection relation of the clamping strips; the sealing cover plate is taken out, and the shaft seal body is taken out for replacement, so that the convenience in replacing the shaft seal body is guaranteed;

2. when the shaft seal device is installed, the shaft seal body is placed in the connecting frame, the sealing cover body drives the clamping strips to extrude the clamping blocks for clamping and fixing, and meanwhile, the rotating block drives the fixing rod to rotate, so that the thread groove in the surface of the fixing rod is in threaded connection with the lifting plate, and the effect of fixing and locking is achieved.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a front cross-sectional view of the structure of the present invention;

FIG. 3 is a schematic view of the utility model at a point A partially enlarged in the structure of FIG. 2;

fig. 4 is a perspective view of the shaft seal body of the present invention.

In the figure: 1. connecting the frame body; 2. sealing the cover body; 3. a shaft seal body; 4. a card slot; 5. clamping the strip; 6. a tank body; 7. a lifting plate; 8. a clamping block; 9. a pressing mechanism; 91. pressing the block; 92. a through groove; 10. a support spring; 11. a fixing rod; 12. rotating the block; 13. a thread groove; 14. sealing the rubber ring; 15. a lifting block; 16. a lifting groove; 17. a slide bar.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the sealing device comprises a connecting frame body 1, a sealing cover body 2 is arranged on the left side of the connecting frame body 1, a shaft seal body 3 is arranged on the right side of the sealing cover body 2, clamping grooves 4 are formed in the top and the bottom of the left side of the connecting frame body 1, clamping strips 5 are fixedly arranged on the top and the bottom of the right side of the sealing cover body 2, groove bodies 6 are arranged on the top and the bottom of the inside of the connecting frame body 1, a lifting plate 7 is connected between the two sides of each groove body 6 in a sliding manner, a clamping block 8 is fixedly arranged on the left side of the top of each lifting plate 7, the top of each clamping block 8 penetrates through the top of each groove body 6 and is clamped with each clamping strip 5, a pressing mechanism 9 is arranged on one side of each lifting plate 7 away from the shaft seal body 3, two supporting springs 10 are arranged on one side of each lifting plate 7 away from a pressing block 91, a fixing rod 11 is connected with the top and the bottom of the connecting frame body 1 in a sliding manner, a rotating block 12 is fixedly arranged on one end of each fixing rod 11 away from each lifting plate 7, a thread groove 13 is integrally formed at one end of the fixed rod 11 far away from the rotating block 12, and the surface of the thread groove 13 is in threaded connection with the inner part of the lifting plate 7;

the pressing mechanism 9 comprises a pressing block 91, a through groove 92 is formed in one side, away from the shaft seal body 3, of the groove body 6, the top of the pressing block 91 penetrates through the top of the through groove 92 and extends, a cushion is installed at one end, away from the lifting plate 7, of the pressing block 91, the cushion is a rubber cushion, friction can be effectively enhanced by the aid of the rubber cushion, the slip probability is reduced, and meanwhile pressing use is facilitated;

a sealing rubber ring 14 is arranged on the right side of the sealing cover body 2, the right side of the sealing rubber ring 14 is connected with the left side of the connecting frame body 1, and the sealing rubber ring 14 has a better sealing effect;

the rotating block 12 is a hexagonal rotating block 12, the right side of the clamping strip 5 and the top of the clamping block 8 are in an inclined plane type, the hexagonal rotating block 12 is arranged through the rotating block 12, rotation adjustment is facilitated, and meanwhile the right side of the clamping strip 5 and the top of the clamping block 8 are in the inclined plane type, so that installation and use are facilitated;

lifting blocks 15 are fixedly mounted on two sides of the lifting plate 7, lifting grooves 16 are formed in two sides of the groove body 6, the surfaces of the lifting blocks 15 are connected with the inner portions of the lifting grooves 16 in a sliding mode, the lifting blocks 15 slide in the lifting grooves 16 along with the adjustment and movement of the lifting plate 7, and the stability of the lifting plate 7 is enhanced;

two sliding rods 17 are fixedly arranged between the top and the bottom of the groove body 6, the surfaces of the sliding rods 17 are in sliding connection with the inner part of the lifting plate 7, the inner part of the supporting spring 10 is movably sleeved with the surface of the lifting plate 7, when the lifting plate 7 slides on the surface of the sliding rods 17, a balancing effect is achieved, and meanwhile, the supporting spring 10 is limited;

when the device presses the pressing block 91, the pressing block 91 slides in the through groove 92 to extrude the lifting plate 7 to slide on the surface of the sliding rod 17 to extrude the supporting spring 10, and meanwhile, the lifting plate 7 drives the clamping groove 4 to vertically move to be separated from the connection relation of the clamping strips 5; taking out the sealing cover body 2 and simultaneously taking out the shaft seal body 3 for replacement;

during the installation with bearing seal body 3 put into connect framework 1 in, utilize sealed lid body 2 to drive 5 extrusion fixture blocks of card strip and carry out the joint fixed, utilize turning block 12 to drive dead lever 11 rotatory simultaneously, make the thread groove 13 and the lifter plate 7 threaded connection on dead effect of fixed lock of dead.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a connection structure of convenient change bearing seal, is including connecting framework (1), its characterized in that: a sealing cover body (2) is arranged on the left side of the connecting frame body (1), a shaft seal body (3) is arranged on the right side of the sealing cover body (2), clamping grooves (4) are formed in the top and the bottom of the left side of the connecting frame body (1), clamping strips (5) are fixedly arranged on the top and the bottom of the right side of the sealing cover body (2), groove bodies (6) are formed in the top and the bottom of the inside of the connecting frame body (1), a lifting plate (7) is connected between the two sides of the groove bodies (6) in a sliding mode, a clamping block (8) is fixedly arranged on the left side of the top of the lifting plate (7), the top of the clamping block (8) penetrates through the top of the groove bodies (6) and is clamped with the clamping strips (5), a pressing mechanism (9) is arranged on one side, away from the shaft seal body (3), of the lifting plate (7), and two supporting springs (10) are arranged on one side, away from the pressing block (91), of the lifting plate (7), the top and the bottom of connecting frame body (1) all have dead lever (11) sliding connection, the one end fixed mounting that lifter plate (7) were kept away from in dead lever (11) has turning block (12), the one end integrated into one piece that turning block (12) were kept away from in dead lever (11) has thread groove (13), and the inside threaded connection of the surface of thread groove (13) and lifter plate (7).

2. The connection structure for conveniently replacing the shaft seal according to claim 1, characterized in that: pressing means (9) are including pressing down piece (91), logical groove (92) have been seted up to one side that bearing seal body (3) were kept away from in cell body (6), just the top of pressing down piece (91) runs through the top of logical groove (92) and extends, press down piece (91) and keep away from the one end of lifter plate (7) and install the cushion, just the cushion sets up to the rubber cushion.

3. The connecting structure for conveniently replacing a shaft seal according to claim 1, wherein: the right side of the sealing cover body (2) is provided with a sealing rubber ring (14), and the right side of the sealing rubber ring (14) is connected with the left side of the connecting frame body (1).

4. The connection structure for conveniently replacing the shaft seal according to claim 1, characterized in that: the rotating block (12) is a hexagonal rotating block (12), and the right side of the clamping strip (5) and the top of the clamping block (8) are inclined.

5. The connecting structure for conveniently replacing a shaft seal according to claim 1, wherein: the equal fixed mounting in both sides of lifter plate (7) has elevator (15), lift groove (16) have all been seted up to the both sides of cell body (6), just the inside sliding connection in surface and lift groove (16) of elevator (15).

6. The connecting structure for conveniently replacing a shaft seal according to claim 1, wherein: fixed mounting has two slide bars (17) between the top of cell body (6) and the bottom, just the inside sliding connection of the surface of slide bar (17) and lifter plate (7), the inside of supporting spring (10) cup joints with the surface activity of lifter plate (7).