CN211550536U

CN211550536U - Sealing device for compressor

Info

Publication number: CN211550536U
Application number: CN201922384535.4U
Authority: CN
Inventors: 江城; 王善波
Original assignee: Henan Aijing Energy Saving Technology Co ltd
Current assignee: Henan Aijing Energy Saving Technology Co ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-09-22
Anticipated expiration: 2029-12-26

Abstract

The utility model discloses a sealing device for compressor, there is the spring holder through the top movable mounting at quiet ring, the bottom of spring holder is provided with the movable groove, the activity inslot level is provided with buffer spring, buffer spring's one end and quiet ring welded fastening, and buffer spring's the other end and backup pad welded fastening, bolt and spring holder fixed connection are passed through to the one end of backup pad, make the backup pad provide the support for buffer spring, and then when the friction that causes because of the deviation when installing between rotating ring and the quiet ring is uneven, can change the friction between rotating ring and the quiet ring through buffer spring, make when the friction is too big between rotating ring and the quiet ring, buffer spring can provide the buffering, make the vice rotation requirement that satisfies of friction between quiet ring and the rotating ring.

Description

Sealing device for compressor

Technical Field

The utility model relates to a sealing device field specifically is a sealing device for compressor.

Background

A compressor, which is a driven fluid machine for increasing low-pressure gas into high-pressure gas, sucks low-temperature and low-pressure refrigerant gas from an air suction pipe, compresses the refrigerant gas by driving a piston through the operation of a motor, and discharges high-temperature and high-pressure refrigerant gas to an air discharge pipe to provide power for a refrigeration cycle, thereby realizing the refrigeration cycle of compression → condensation (heat release) → expansion → evaporation (heat absorption); the internal structure that the inside lubrication mode of compressor etc. needs the compressor is in encapsulated situation, just can realize the compression effect of compressor, current compressor sealing device mainly includes floating ring seal and mechanical seal etc. mechanical seal's rotating ring is when rotating along with the axle, direct contact between quiet ring and the rotating ring, and do not have any buffer gear on rotating ring and the quiet ring and can cushion the uneven condition of friction that causes because of the deviation when installing between rotating ring and the quiet ring, make the security and the leakproofness of compressor can not satisfy sealed requirement completely.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sealing device for compressor to solve current compressor sealing device and mainly include the sealed and mechanical seal etc. of floating ring, mechanical seal's rotating ring is when rotating along with the axle, direct contact between quiet ring and the rotating ring, and do not have any buffer gear on rotating ring and the quiet ring and can cushion the uneven condition of friction that causes because of the deviation when installing between rotating ring and the quiet ring, make the security and the leakproofness of compressor can not satisfy the technical problem of sealed requirement completely.

The purpose of the utility model can be realized by the following technical scheme:

a sealing device for a compressor comprises a movable ring seat, a movable ring, a movable pin, a movable ring O-shaped ring, a spring seat, a shaft sleeve, a bearing gland, a framework oil seal, a support frame, a clamping rod, a buffer spring, a support plate, a static ring sealing ring and a static ring, wherein the movable ring seat is tightly matched with the movable ring O-shaped ring and is connected with the movable ring O-shaped ring in a rotating way along with a rotor, the movable ring is arranged at the top end of the movable ring seat to enable the movable ring to rotate along with the movable ring seat, the static ring is arranged at one end of the movable ring and is fixedly installed with the shaft sleeve through the static ring sealing ring, the spring seat is movably installed at the top end of the static ring, a movable groove is arranged at the bottom end of the spring seat, the buffer spring is horizontally arranged in the movable groove, one end of the buffer spring is welded and fixed with the static ring, the other end of the buffer spring is, the axle sleeve is installed with the rotor tight fit, and the bearing is installed to the one end tight fit of axle sleeve, and the both ends symmetry of bearing is provided with the skeleton oil blanket, and the skeleton oil blanket rotates with the axle sleeve to be connected.

As a further scheme of the utility model, the top of bearing is provided with the oiling pipe, and the bearing gland is installed to the one end of bearing, and the bearing gland passes through the locating pin with the bearing pressure equipment in the axle sleeve.

As a further scheme of the utility model, the one end fixed mounting of axle sleeve has the joint pole, and the joint pole passes through screw hole horizontal installation in the upper end of support frame.

As a further scheme of the utility model, the joint pole includes ejector pad, connecting block and connecting rod, and bolt fixed mounting has a push rod in the one end of ejector pad, and the one end of push rod is provided with a plurality of latches along the equidistance of circumferencial direction, a plurality of latches and the draw-in groove looks adaptation of setting on the inner wall of support frame.

As a further scheme of the utility model, bolt fixed mounting is passed through to the one end of push rod has the connecting block, and screw hole fixed mounting is passed through to the one end of connecting block has the connecting rod, through promoting the ejector pad for the push rod promotes the connecting rod and extends to the joint inslot that axle sleeve one end set up, and then makes joint pole and axle sleeve fixed connection.

As a further scheme of the utility model, there is movable pin through mounting hole movable mounting before the rotating ring seat and the rotating ring, fixed mounting has annular rubber circle between the bottom of rotating ring and the rotating ring seat.

The utility model has the advantages that:

the utility model provides a sealing device for compressor, there is the spring holder through the top movable mounting at quiet ring, the bottom of spring holder is provided with the movable groove, the activity inslot level is provided with buffer spring, buffer spring's one end and quiet ring welded fastening, and buffer spring's the other end and backup pad welded fastening, bolt and spring holder fixed connection are passed through to the one end of backup pad, make the backup pad support for buffer spring, and then when the friction that causes because of the deviation when installing between rotating ring and the quiet ring is uneven, can change the friction between rotating ring and the quiet ring through buffer spring, make when the friction is too big between rotating ring and the quiet ring, buffer spring can provide the buffering, make the vice rotation requirement that satisfies of friction between quiet ring and the rotating ring.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a half sectional view of a sealing device for a compressor according to the present invention;

FIG. 2 is an enlarged view of the portion A of FIG. 1;

FIG. 3 is a schematic structural view of the latch lever of the present invention;

in the figure: 1. a movable ring seat; 2. a moving ring; 3. a movable pin; 4. a moving ring O-shaped ring; 5. a spring seat; 6. a shaft sleeve; 7. an oil filling pipe; 8. a bearing gland; 9. positioning pins; 10. a bearing; 11. framework oil seal; 12. a support frame; 13. a clamping and connecting rod; 131. a push block; 132. a push rod; 133. clamping teeth; 134. connecting blocks; 135. a connecting rod; 14. a buffer spring; 15. a support plate; 16. a stationary ring seal ring; 18. and (4) a stationary ring.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, a sealing device for a compressor comprises a moving ring seat 1, a moving ring 2, a movable pin 3, a moving ring O-shaped ring 4, a spring seat 5, a shaft sleeve 6, a bearing gland 8, a skeleton oil seal 11, a support frame 12, a clamping rod 13, a buffer spring 14, a support plate 15, a stationary ring seal ring 16 and a stationary ring 18, wherein the moving ring O-shaped ring 4 is tightly fitted on the moving ring seat 1, the moving ring seat 1 and the moving ring O-shaped ring 4 are rotatably connected with a rotor, the moving ring 2 is arranged at the top end of the moving ring seat 1, so that the moving ring 2 rotates along with the moving ring seat 1, the stationary ring 18 is arranged at one end of the moving ring 2, the stationary ring 18 is fixedly mounted with the shaft sleeve 6 through the stationary ring seal ring 16, the spring seat 5 is movably mounted at the top end of the stationary ring 18, a movable groove is arranged at the bottom end of the spring seat 5, the buffer spring 14 is horizontally arranged in, and buffer spring 14's the other end and backup pad 15 welded fastening, bolt and spring holder 5 fixed connection are passed through to the one end of backup pad 15, make backup pad 15 support for buffer spring 14, and then when the friction that causes because of the deviation when installing between rotating ring 2 and quiet ring 18 is uneven, can change the friction between rotating ring 2 and quiet ring 18 through buffer spring 14, make when the friction is too big between rotating ring 2 and quiet ring 18, buffer spring 14 can provide the buffering, make the vice rotation requirement that satisfies of friction between quiet ring 18 and the rotating ring 2.

The bottom fixed mounting of spring holder 5 has axle sleeve 6, and axle sleeve 6 and rotor close fit installation, the bearing 10 is installed to the one end close fit of axle sleeve 6, and the both ends symmetry of bearing 10 is provided with skeleton oil blanket 11, and skeleton oil blanket 11 rotates with axle sleeve 6 to be connected.

An oil filling pipe 7 is arranged at the top end of the bearing 10, a bearing gland 8 is installed at one end of the bearing 10, and the bearing gland 8 presses the bearing 10 in the shaft sleeve 6 through a positioning pin 9.

One end of the shaft sleeve 6 is fixedly provided with a clamping rod 13, and the clamping rod 13 is horizontally arranged at the upper end of the support frame 12 through a threaded hole.

The clamping rod 13 comprises a push block 131, a connecting block 134 and a connecting rod 135, a push rod 132 is fixedly mounted at one end of the push block 131 through a bolt, a plurality of clamping teeth 133 are arranged at equal intervals at one end of the push rod 132 along the circumferential direction, and the clamping teeth 133 are matched with clamping grooves formed in the inner wall of the support frame 12, so that the clamping grooves can position the push rod 132 at a specific position.

Bolt fixed mounting is passed through to the one end of push rod 132 has connecting block 134, and threaded hole fixed mounting is passed through to the one end of connecting block 134 has connecting rod 135, through promoting ejector pad 131 for push rod 132 promotes the joint inslot extension that connecting rod 135 set up to axle sleeve 6 one end, and then makes joint pole 13 and axle sleeve 6 fixed connection, and then makes joint pole 13 provide the location support for axle sleeve 6.

A movable pin 3 is movably arranged in front of the movable ring seat 1 and the movable ring 2 through a mounting hole, and an annular rubber ring is fixedly arranged between the bottom end of the movable ring 2 and the movable ring seat 1.

The utility model discloses when using, there is spring holder 5 through the top movable mounting at quiet ring 18, the bottom of spring holder 5 is provided with the activity groove, activity inslot level is provided with buffer spring 14, buffer spring 14's one end and quiet ring 18 welded fastening, and buffer spring 14's the other end and backup pad 15 welded fastening, bolt and spring holder 5 fixed connection are passed through to backup pad 15's one end, make backup pad 15 provide the support for buffer spring 14, and then when the friction that causes because of the deviation when installing between rotating ring 2 and quiet ring 18 is uneven, can change the friction between rotating ring 2 and the quiet ring 18 through buffer spring 14, make when the friction is too big between rotating ring 2 and the quiet ring 18, buffer spring 14 can provide the buffering, make the vice rotation requirement that satisfies of friction between quiet ring 18 and the rotating ring 2.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A sealing device for a compressor is characterized by comprising a moving ring seat (1), a moving ring (2), a moving pin (3), a moving ring O-shaped ring (4), a spring seat (5), a shaft sleeve (6), a bearing gland (8), a framework oil seal (11), a support frame (12), a clamping rod (13), a buffer spring (14), a support plate (15), a static ring sealing ring (16) and a static ring (18), wherein the moving ring O-shaped ring (4) is tightly installed on the moving ring seat (1) in a matched manner, the moving ring seat (1) and the moving ring O-shaped ring (4) are rotationally connected with a rotor, the moving ring (2) is arranged at the top end of the moving ring seat (1) to enable the moving ring (2) to rotate along with the moving ring seat (1), the static ring (18) is arranged at one end of the moving ring (2), the static ring (18) is fixedly installed with the shaft sleeve (6) through the static ring sealing ring (16), the spring seat (5) is movably installed at the, the bottom of spring holder (5) is provided with the movable groove, the activity inslot level is provided with buffer spring (14), the one end and quiet ring (18) welded fastening of buffer spring (14), and the other end and backup pad (15) welded fastening of buffer spring (14), bolt and spring holder (5) fixed connection are passed through to the one end of backup pad (15), the bottom fixed mounting of spring holder (5) has axle sleeve (6), axle sleeve (6) and rotor tight fit installation, bearing (10) are installed to the one end tight fit of axle sleeve (6), the both ends symmetry of bearing (10) is provided with skeleton oil blanket (11), skeleton oil blanket (11) are connected with axle sleeve (6) rotation.

2. A sealing device for a compressor according to claim 1, wherein the top end of the bearing (10) is provided with an oil filling pipe (7), one end of the bearing (10) is provided with a bearing gland (8), and the bearing gland (8) presses the bearing (10) in the shaft sleeve (6) through the positioning pin (9).

3. A sealing device for a compressor according to claim 1, wherein a clamping rod (13) is fixedly installed at one end of the shaft sleeve (6), and the clamping rod (13) is horizontally installed at the upper end of the supporting frame (12) through a threaded hole.

4. The sealing device for the compressor as claimed in claim 3, wherein the clamping rod (13) comprises a push block (131), a connecting block (134) and a connecting rod (135), one end of the push block (131) is fixedly provided with a push rod (132) through a bolt, one end of the push rod (132) is provided with a plurality of clamping teeth (133) at equal intervals along the circumferential direction, and the plurality of clamping teeth (133) are matched with clamping grooves formed in the inner wall of the support frame (12).

5. The sealing device for the compressor, according to claim 4, is characterized in that one end of the push rod (132) is fixedly provided with a connecting block (134) through a bolt, one end of the connecting block (134) is fixedly provided with a connecting rod (135) through a threaded hole, and the push rod (132) pushes the connecting rod (135) to extend into a clamping groove arranged at one end of the shaft sleeve (6) by pushing the push block (131), so that the clamping rod (13) is fixedly connected with the shaft sleeve (6).

6. The sealing device for the compressor according to claim 1, wherein a movable pin (3) is movably installed in front of the movable ring seat (1) and the movable ring (2) through an installation hole, and an annular rubber ring is fixedly installed between the bottom end of the movable ring (2) and the movable ring seat (1).