CN113153736A

CN113153736A - Upper shell of rotor type compressor

Info

Publication number: CN113153736A
Application number: CN202110468823.7A
Authority: CN
Inventors: 吴云燕; 沈建元; 陶广和
Original assignee: Wuxi Hualin Refrigeration Equipment Co ltd
Current assignee: Wuxi Hualin Refrigeration Equipment Co ltd
Priority date: 2021-04-28
Filing date: 2021-04-28
Publication date: 2021-07-23
Anticipated expiration: 2041-04-28
Also published as: CN113153736B

Abstract

The invention discloses an upper shell of a rotor type compressor, and particularly relates to the technical field of compressors, which comprises an upper shell and an exhaust pipe, wherein a welding ring is arranged at the bottom of the upper shell, a baffle ring is sleeved outside the welding ring, the top of the baffle ring is fixedly connected with the bottom of the upper shell, the baffle ring and the welding ring are connected through a fixing assembly, a mounting hole is formed in the top of the upper shell, a support ring is fixedly connected to the inner wall of the top of the upper shell, the bottom end of the exhaust pipe is positioned in the mounting hole, a connecting ring is sleeved outside the exhaust pipe and fixedly connected with the exhaust pipe, the connecting ring is positioned above the upper shell, a fixing ring is sleeved outside the connecting ring, and the bottom of the fixing ring is fixedly connected with the top of the upper shell. The invention changes the traditional fixing mode, has simple and convenient operation steps, is convenient to replace the centrifugal gas-liquid separation device positioned in the exhaust pipe and is convenient for later use.

Description

Upper shell of rotor type compressor

Technical Field

The invention relates to the technical field of compressors, in particular to an upper shell of a rotor type compressor.

Background

The compressor mainly comprises an upper shell component and an exhaust pipe connected to the upper shell component, wherein an annular punched hole is punched on the upper shell of the compressor, the exhaust pipe is directly inserted into the punched hole, the position of the exhaust pipe is limited by using a special tool, and the upper shell stamping part and the exhaust pipe are connected by brazing with silver solder. This connection is relatively reliable but is not suitable for compressors designed for higher pressures.

In the prior art, the thickness of the upper shell component is increased to increase the thickness of the brazing part, so as to enhance the reliability of brazing, increase the use cost, in addition, the installation steps of the upper shell and the exhaust pipe are complicated, the practical use is inconvenient, the preparation work requirement before the brazing is higher, and the practical operation is inconvenient, in the prior art, a centrifugal gas-liquid separation device is arranged in an exhaust passage of the exhaust pipe of the compressor, so that the gas discharged from the gas discharge end of the compressor passes through the centrifugal gas-liquid separation device in the gas discharge passage when passing through the gas discharge pipe of the compressor, centrifugal motion is generated under the action of the centrifugal gas-liquid separation device, oil drops contained in the air flow are thrown onto the wall surface of the exhaust channel under the centrifugal action, the separation of the oil drops and the air in the air flow is realized, the exhaust pipe is fixedly connected with the upper shell in a brazing mode, so that the centrifugal gas-liquid separation device is inconvenient to replace and overhaul.

Disclosure of Invention

In order to overcome the above-mentioned drawbacks of the prior art, embodiments of the present invention provide an upper casing of a rotor compressor, so as to solve the problems in the prior art that the thickness of an upper casing component is increased to increase the thickness of a brazed part, so as to enhance the reliability of brazing, increase the use cost, and the installation steps of the upper casing and an exhaust pipe are complicated, so that the upper casing and the exhaust pipe are not convenient for practical use, and the preparation work requirement before brazing is high, so that the practical operation is not convenient, in the prior art, a centrifugal gas-liquid separation device is disposed inside an exhaust passage of the exhaust pipe of the compressor, so that centrifugal motion is generated under the action of the centrifugal gas-liquid separation device, oil drops contained in an air flow are thrown onto the wall surface of the exhaust passage under the centrifugal action, so as to separate the oil drops from the air in the air flow, and the exhaust pipe is fixedly connected with the upper casing through brazing, so that the centrifugal gas-liquid separation device is not convenient for replacement and maintenance, inconvenient later use.

In order to achieve the purpose, the invention provides the following technical scheme: an upper shell of a rotor compressor comprises an upper shell and an exhaust pipe, wherein a welding ring is arranged at the bottom of the upper shell, a baffle ring is sleeved outside the welding ring, the top of the baffle ring is fixedly connected with the bottom of the upper shell, the baffle ring and the welding ring are connected through a fixing assembly, a mounting hole is formed in the top of the upper shell, a support ring is fixedly connected with the inner wall of the top of the upper shell, the bottom end of the exhaust pipe is located in the mounting hole, a connecting ring is sleeved outside the exhaust pipe and fixedly connected with the exhaust pipe, the connecting ring is located above the upper shell, a fixing ring is sleeved outside the connecting ring, the bottom of the fixing ring is fixedly connected with the top of the upper shell, the fixing ring and the connecting ring are connected through a clamping assembly, the clamping assembly comprises clamping grooves symmetrically formed in two sides of the connecting ring, and first rectangular holes are formed in two sides of the fixing ring, be equipped with the stopper in the draw-in groove, one side of stopper and the connecting block fixed connection who is located go-between one side, one side fixed connection activity stopper of stopper is kept away from to the connecting block, activity stopper runs through first rectangular hole, gu fixed ring's both sides all are equipped with the arc and press the clamp plate, the one end and the arc that the connecting block was kept away from to activity stopper press clamp plate fixed connection, the first slider of top fixedly connected with of connecting block, gu fixed ring's top is equipped with the annular apron, the annular apron passes through elastic component with solid fixed ring and is connected, two second sliders of annular apron's bottom fixedly connected with, second slider and first slider cooperate.

In a preferred embodiment, fixed subassembly includes that the slot of symmetry seting up in the weld ring both sides, the second rectangular hole has all been seted up to the both sides of fender ring, be equipped with the limiting plate in the slot, the one end of limiting plate extends to in the second rectangular hole, the both sides of fender ring all are equipped with the arc connecting plate, one side and the arc connecting plate fixed connection of limiting plate, first recess has all been seted up to the both sides of going up the casing, one side inner wall of first recess is connected through a plurality of first extension spring with one side of arc connecting plate.

In a preferred embodiment, a first pull ring is fixedly connected to one side of the arc-shaped connecting plate away from the limiting plate.

In a preferred embodiment, the elastic assembly comprises a plurality of second grooves formed in the tops of the fixing rings, limiting columns are arranged in the second grooves, the tops of the limiting columns are fixedly connected with the bottom of the annular cover plate, and the bottoms of the limiting columns are connected with the inner wall of the bottom of the second groove through second extension springs.

In a preferred embodiment, two second pull rings are fixedly connected to the top of the annular cover plate, and the cross sections of the first slider and the second slider are both in a right-angled triangle structure.

In a preferred embodiment, a first sealing ring is fixedly connected to the bottom of the exhaust pipe, the bottom of the first sealing ring is in contact with the top of the support ring, a second sealing ring is fixedly connected to the top of the welding ring, and the top of the second sealing ring is in contact with the bottom of the upper shell.

In a preferred embodiment, the top of the upper casing is provided with two positioning grooves, the bottom of the connecting ring is fixedly connected with two positioning columns, and the positioning columns are located in the positioning grooves.

In a preferred embodiment, an elastic pad is fixedly connected to one side of the arc-shaped pressing plate, which is far away from the movable limiting block.

The invention has the technical effects and advantages that:

1. the bottom end of the driving exhaust pipe is inserted into the mounting hole, the positioning column is inserted into the positioning groove, the position of the limiting connecting ring is enabled to move to one side of the limiting block through the matching of the positioning groove and the positioning column, the limiting groove is enabled to move to one side of the limiting block, the movable limiting block drives the limiting block and the connecting block to move through driving the arc-shaped pressing plate to move, meanwhile, the first sliding block drives the second sliding block to move upwards, the second stretching spring is in a stretching state, the limiting block is finally inserted into the clamping groove, the first sliding block is no longer positioned under the second sliding block, the first sliding block is no longer supported by the second sliding block, the limiting column is driven by the second stretching spring to move downwards, the second sliding block moves downwards, one side of the second sliding block is enabled to be contacted with one side of the first sliding block, the position of the first sliding block is limited, the connecting block is prevented from moving, the limiting block is prevented from being separated from the clamping groove, and the exhaust pipe can be fixedly connected with the upper shell, the traditional fixing mode is changed, the operation steps are simple and convenient, the thickness of a brazed part is not required to be increased, the practical use is facilitated, the sealing performance between the support ring and the exhaust pipe is improved through the arranged first sealing ring, the arc-shaped pressing plate is convenient to press through the arranged elastic pad, and the comfort level is improved;

2. when the centrifugal gas-liquid separation device in the exhaust pipe needs to be replaced, the annular cover plate is driven to move upwards, the second slider is enabled not to be located on one side of the first slider any more, the limit of the connecting block position is relieved, and then the arc-shaped driving pressing plate is driven to move, the movable limiting block drives the limiting block and the connecting block to move, and further the limiting block is enabled not to be located in the clamping groove any more, the limit of the connecting ring position is relieved, the exhaust pipe is further moved upwards, the exhaust pipe is enabled to be separated from the mounting hole, the exhaust pipe can be dismantled, and therefore the centrifugal gas-liquid separation device in the exhaust pipe is convenient to replace, the later-stage use is convenient, the annular cover plate is convenient to drive to move through the second pull ring.

3. The bottom of welding ring and the top welding of casing down, when needing to split down last casing and casing down, only need drive arc connecting plate to remove, make the one end of limiting plate break away from the slot, first extension spring is in tensile state, remove the fixed relation between welding ring and the fender ring, and then the drive is gone up the casing and is shifted up, can accomplish the split between casing and the lower casing, and then be convenient for change the maintenance to last casing and the inside part of casing down, and the in-service use of being convenient for, through the first pull ring that sets up, be convenient for drive arc connecting plate removes.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a sectional structure diagram of the upper shell of the invention.

Fig. 3 is a schematic view of a connection ring structure according to the present invention.

FIG. 4 is a schematic view of the elastic assembly of the present invention.

Fig. 5 is a schematic view of the connecting block structure of the invention.

FIG. 6 is a schematic view of a weld ring structure of the present invention.

Fig. 7 is a schematic diagram of a limiting plate structure according to the present invention.

The reference signs are: 1. an upper housing; 2. an exhaust pipe; 3. mounting holes; 4. a support ring; 5. a connecting ring; 6. a fixing ring; 7. a card slot; 8. a first rectangular hole; 9. a limiting block; 10. connecting blocks; 11. a movable limiting block; 12. an arc-shaped pressing plate; 13. a first slider; 14. an annular cover plate; 15. a second slider; 16. a baffle ring; 17. welding a ring; 18. a slot; 19. a second rectangular hole; 20. a limiting plate; 21. an arc-shaped connecting plate; 22. a first groove; 23. a first extension spring; 24. a first pull ring; 25. a second groove; 26. a limiting column; 27. a second extension spring; 28. a second tab; 29. a first seal ring; 30. positioning a groove; 31. a positioning column; 32. an elastic pad; 33. and a second seal ring.

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.

The upper shell of the rotor compressor shown in the attached drawings 1-7 comprises an upper shell 1 and an exhaust pipe 2, wherein a welding ring 17 is arranged at the bottom of the upper shell 1, a baffle ring 16 is sleeved outside the welding ring 17, the top of the baffle ring 16 is fixedly connected with the bottom of the upper shell 1, the baffle ring 16 is connected with the welding ring 17 through a fixing assembly, a mounting hole 3 is formed in the top of the upper shell 1, a support ring 4 is fixedly connected to the inner wall of the top of the upper shell 1, the bottom end of the exhaust pipe 2 is located in the mounting hole 3, a connecting ring 5 is sleeved outside the exhaust pipe 2, the connecting ring 5 is fixedly connected with the exhaust pipe 2, the connecting ring 5 is located above the upper shell 1, a fixing ring 6 is sleeved outside the connecting ring 5, the bottom of the fixing ring 6 is fixedly connected with the top of the upper shell 1;

the draw-in groove 7 in go-between 5 both sides is seted up including the symmetry to the joint subassembly, first rectangular hole 8 has all been seted up to solid fixed ring 6's both sides, be equipped with stopper 9 in the draw-in groove 7, one side of stopper 9 and the connecting block 10 fixed connection that is located go-between 5 one side, stopper 9's one side fixed connection activity stopper 11 is kept away from to connecting block 10, activity stopper 11 runs through first rectangular hole 8, gu fixed ring 6's both sides all are equipped with the arc and press platen 12, the one end and the arc that connecting block 10 was kept away from to activity stopper 11 press platen 12 fixed connection, the first slider 13 of top fixedly connected with of connecting block 10, gu fixed ring 6's top is equipped with annular cover plate 14, annular cover plate 14 passes through elastic component with solid fixed ring 6 and is connected, two second sliders 15 of.

As shown in fig. 2, fig. 6 and fig. 7, slot 18 in welding ring 17 both sides is seted up including the symmetry to fixed subassembly, second rectangular hole 19 has all been seted up to the both sides of keeping off ring 16, be equipped with limiting plate 20 in the slot 18, limiting plate 20's one end extends to in the second rectangular hole 19, the both sides of keeping off ring 16 all are equipped with arc connecting plate 21, one side and the arc connecting plate 21 fixed connection of limiting plate 20, first recess 22 has all been seted up to the both sides of going up casing 1, one side inner wall of first recess 22 is connected through a plurality of extension spring 23 with one side of arc connecting plate 21.

As shown in fig. 7, a first pull ring 24 is fixedly connected to one side of the arc-shaped connecting plate 21 away from the limiting plate 20; the arc-shaped connecting plate 21 is driven to move conveniently through the arranged first pull ring 24.

As shown in fig. 4, the elastic assembly includes a plurality of second grooves 25 formed in the top of the fixing ring 6, a limiting post 26 is disposed in the second groove 25, the top of the limiting post 26 is fixedly connected to the bottom of the annular cover plate 14, and the bottom of the limiting post 26 is connected to the inner wall of the bottom of the second groove 25 through a second extension spring 27.

As shown in fig. 4 and 5, two second pull rings 28 are fixedly connected to the top of the annular cover plate 14, and the cross sections of the first slider 13 and the second slider 15 are both in a right-angled triangle structure; the second pull ring 28 is arranged to facilitate driving the annular cover plate 14 to move.

As shown in fig. 3 and fig. 6, a first sealing ring 29 is fixedly connected to the bottom of the exhaust pipe 2, the bottom of the first sealing ring 29 is in contact with the top of the support ring 4, a second sealing ring 33 is fixedly connected to the top of the welding ring 17, and the top of the second sealing ring 33 is in contact with the bottom of the upper shell 1; the sealing between the exhaust pipe 2 and the support ring 4 is increased by the provision of the first sealing ring 29, and the sealing between the welding ring 17 and the upper housing 1 is increased by the provision of the second sealing ring 33.

As shown in fig. 2 and fig. 3, two positioning grooves 30 are formed at the top of the upper casing 1, two positioning columns 31 are fixedly connected to the bottom of the connecting ring 5, and the positioning columns 31 are located in the positioning grooves 30; through the cooperation of constant head tank 30 and reference column 31, the position of spacing go-between 5 for draw-in groove 7 can be accurate remove to one side of stopper 9.

As shown in fig. 5, an elastic pad 32 is fixedly connected to one side of the arc pressing plate 12 away from the movable limiting block 11; the elastic pad 32 is arranged, so that the arc-shaped pressing plate 12 can be conveniently pressed, and the comfort level is improved.

The working principle of the invention is as follows: the bottom end of the exhaust pipe 2 is driven to be inserted into the mounting hole 3, the positioning column 31 is inserted into the positioning groove 30, the position of the connecting ring 5 is limited by the matching of the positioning groove 30 and the positioning column 31, the clamping groove 7 is moved to one side of the limiting block 9, the arc-shaped pressing plate 12 is driven to move, the movable limiting block 11 drives the limiting block 9 and the connecting block 10 to move, the first sliding block 13 drives the second sliding block 15 to move upwards, the second stretching spring 27 is in a stretching state, the limiting block 9 is finally inserted into the clamping groove 7, the first sliding block 13 is no longer positioned under the second sliding block 15, the first sliding block 13 is no longer supported on the second sliding block 15, the second stretching spring 27 drives the limiting column 26 to move downwards, the second sliding block 15 moves downwards, one side of the second sliding block 15 is further contacted with one side of the first sliding block 13, and the position of the first sliding block 13 is limited, the exhaust pipe 2 can be fixedly connected relative to the upper shell 1 by avoiding the movement of the connecting block 10 and further avoiding the separation of the limiting block 9 from the clamping groove 7, the traditional fixing mode is changed, the operation steps are simple and convenient, the thickness of a brazed part is not required to be increased, the practical use is convenient, when the centrifugal gas-liquid separation device in the exhaust pipe 2 needs to be replaced, the annular cover plate 14 is driven to move upwards, the second slider 15 is not positioned on one side of the first slider 13 any more, the limiting on the position of the connecting block 10 is removed, the arc-shaped pressing plate 12 is driven to move, the movable limiting block 11 drives the limiting block 9 and the connecting block 10 to move, the limiting block 9 is not positioned in the clamping groove 7 any more, the limiting on the position of the connecting ring 5 is removed, the exhaust pipe 2 is moved upwards, the exhaust pipe 2 is separated from the mounting hole 3, the removal of the exhaust pipe 2 can be completed, and the centrifugal gas-liquid separation device in the exhaust pipe 2 is convenient to replace, use in the later stage of being convenient for, the bottom of weld ring 17 and the top welding of casing down, when needing to tear down casing 1 and lower casing down, only need drive arc connecting plate 21 to remove, make limiting plate 20's one end break away from slot 18, first extension spring 23 is in tensile state, remove weld ring 17 and keep off the fixed relation between the ring 16, and then casing 1 moves up in the drive, can accomplish the split between casing 1 and the lower casing, and then be convenient for change the part of the internal portion of casing 1 and lower casing and overhaul, the in-service use of being convenient for.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;

and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims

1. The utility model provides a rotor compressor upper shell, includes upper shell (1) and blast pipe (2), its characterized in that: the bottom of the upper shell (1) is provided with a welding ring (17), the outer sleeve of the welding ring (17) is provided with a baffle ring (16), the top of the baffle ring (16) is fixedly connected with the bottom of the upper shell (1), the baffle ring (16) and the welding ring (17) are connected through a fixed assembly, the top of the upper shell (1) is provided with a mounting hole (3), the inner wall of the top of the upper shell (1) is fixedly connected with a support ring (4), the bottom end of the exhaust pipe (2) is positioned in the mounting hole (3), the outer sleeve of the exhaust pipe (2) is provided with a connecting ring (5), the connecting ring (5) and the exhaust pipe (2) are fixedly connected, the connecting ring (5) is positioned above the upper shell (1), the outer sleeve of the connecting ring (5) is provided with a fixing ring (6), the bottom of the fixing ring (6) is fixedly connected with the top of the upper shell (1), the fixing ring (6) is connected with the connecting ring (5) through a clamping assembly;

the clamping assembly comprises clamping grooves (7) symmetrically arranged on two sides of a connecting ring (5), first rectangular holes (8) are formed in two sides of a fixing ring (6), a limiting block (9) is arranged in each clamping groove (7), one side of each limiting block (9) is fixedly connected with a connecting block (10) located on one side of the connecting ring (5), one side, far away from the limiting block (9), of each connecting block (10) is fixedly connected with a movable limiting block (11), each movable limiting block (11) penetrates through each first rectangular hole (8), arc pressing plates (12) are arranged on two sides of the fixing ring (6), one end, far away from the connecting block (10), of each movable limiting block (11) is fixedly connected with each arc pressing plate (12), a first sliding block (13) is fixedly connected to the top of each connecting block (10), and an annular cover plate (14) is arranged at the top of the fixing ring (6), annular apron (14) are connected through elastic component with solid fixed ring (6), two second slider (15) of bottom fixedly connected with of annular apron (14), second slider (15) and first slider (13) cooperate.

2. A rotor type compressor upper shell according to claim 1, wherein: fixed subassembly is seted up slot (18) in welded ring (17) both sides including the symmetry, second rectangular hole (19) have all been seted up to the both sides of fender ring (16), be equipped with limiting plate (20) in slot (18), the one end of limiting plate (20) extends to in second rectangular hole (19), the both sides of keeping off ring (16) all are equipped with arc connecting plate (21), one side and arc connecting plate (21) fixed connection of limiting plate (20), first recess (22) have all been seted up to the both sides of going up casing (1), one side inner wall of first recess (22) is connected through a plurality of first extension spring (23) with one side of arc connecting plate (21).

3. A rotor type compressor upper shell according to claim 2, wherein: one side of the arc-shaped connecting plate (21) far away from the limiting plate (20) is fixedly connected with a first pull ring (24).

4. A rotor type compressor upper shell according to claim 1, wherein: elastic component includes a plurality of second recesses (25) of seting up in solid fixed ring (6) top, be equipped with spacing post (26) in second recess (25), the top of spacing post (26) and the bottom fixedly connected with of annular apron (14), the bottom of spacing post (26) and the bottom inner wall of second recess (25) are connected through second extension spring (27).

5. A rotor type compressor upper shell according to claim 1, wherein: the top of the annular cover plate (14) is fixedly connected with two second pull rings (28), and the cross sections of the first sliding block (13) and the second sliding block (15) are both in right-angled triangle structures.

6. A rotor type compressor upper shell according to claim 1, wherein: the bottom fixedly connected with first sealing washer (29) of blast pipe (2), the bottom of first sealing washer (29) contacts with the top of support ring (4), the top fixedly connected with second sealing washer (33) of welding ring (17), the top of second sealing washer (33) contacts with the bottom of last casing (1).

7. A rotor type compressor upper shell according to claim 1, wherein: two positioning grooves (30) are formed in the top of the upper shell (1), two positioning columns (31) are fixedly connected to the bottom of the connecting ring (5), and the positioning columns (31) are located in the positioning grooves (30).

8. A rotor type compressor upper shell according to claim 1, wherein: one side of the arc-shaped pressing plate (12) far away from the movable limiting block (11) is fixedly connected with an elastic pad (32).