CN217976608U

CN217976608U - Single-machine two-stage compressor of low-temperature refrigeration equipment

Info

Publication number: CN217976608U
Application number: CN202222096804.9U
Authority: CN
Inventors: 翟亚婵; 金昌高; 蒋爱华
Original assignee: Yantai Zhongfu Cold Chain Equipment Co ltd
Current assignee: Yantai Zhongfu Cold Chain Equipment Co ltd
Priority date: 2022-08-10
Filing date: 2022-08-10
Publication date: 2022-12-06
Anticipated expiration: 2032-08-10

Abstract

The utility model discloses a low temperature refrigeration plant unit doublestage compressor, including compressor housing, bearing groove, stock solution chamber, outer loop and inner ring, the embedded bearing groove that is provided with of one side inside symmetry of compressor housing, the inside of bearing groove all is provided with the outer loop, and the inside of outer loop is provided with the inner ring to equal block installation is provided with the screw rod in the inner wall of inner ring, the surface intermediate position of inner ring and the inner wall intermediate position of outer loop are all embedded to be provided with the spacing groove. This low temperature refrigeration plant unit doublestage compressor is provided with steel ball and drain chamber, thereby contradicts the steel ball through the rotation of ball at the in-process that uses, rises through the conflict of steel ball to make the inside lubricating oil of drain chamber flow, thereby carry out self-lubricate to the inside of bearing, thereby make wholly be convenient for lubricate the bearing, thereby prolong holistic life, guarantee whole moving smoothness nature.

Description

Single-machine two-stage compressor of low-temperature refrigeration equipment

Technical Field

The utility model relates to a unit doublestage compressor technical field specifically is a low temperature refrigeration plant unit doublestage compressor.

Background

The compressor is the heart of the refrigerating system, it sucks the refrigerant gas of low-temperature low-pressure from the suction pipe, after driving the piston to compress it through the operation of the electrical machinery, discharge the refrigerant gas of high-temperature high-pressure to the blast pipe, provide the power for refrigerating cycle, thus realize the refrigerating cycle of compression, condensation, expansion and evaporation.

The inside twin-screw that has of current unit doublestage compressor cooperates for two screws are rotating simultaneously, and the screw rod needs the installation bearing when its one end and casing are installed, because whole sets up for the fastening installation, thereby makes the later stage comparatively inconvenient when lubricating the bearing, thereby reduces the operation effect and the life of bearing.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a low temperature refrigeration plant unit doublestage compressor to there is the twin-screw to cooperate in solving the current unit doublestage compressor that proposes in the above-mentioned background art, make two screw rods rotate simultaneously, the screw rod needs the installation bearing when its one end of installation and casing, because wholly be the fastening installation setting, thereby it is comparatively inconvenient when lubricating the bearing to make the later stage, thereby reduces the operation effect and the problem of life of bearing.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a low temperature refrigeration plant unit doublestage compressor, includes compressor housing, bearing groove, stock solution chamber, outer loop and inner ring, the embedded bearing groove that is provided with of one side inside symmetry of compressor housing, the inside of bearing groove all is provided with the outer loop, and the inside of outer loop is provided with the inner ring to equal block installation is provided with the screw rod in the inner wall of inner ring, the surface intermediate position of inner ring and the inner wall intermediate position of outer loop are all embedded to be provided with the spacing groove, and equidistant block rotation between spacing groove and the spacing groove is provided with the ball, the embedded drain chamber that is provided with of top one side surface of outer loop, and the bottom one side in drain chamber sets up to the toper form to the bottom in drain chamber runs through with inner wall one side of outer loop and switches on, and the bottom in drain chamber runs through the end inside steel ball that is provided with simultaneously to the bottom one side protrusion of steel ball sets up in the spacing groove of outer loop inner wall.

Preferably, a liquid storage cavity is longitudinally reserved in the compressor shell at the middle position inside the top ends of the 2 bearing grooves, the outer surface of the top end of the liquid storage cavity is communicated with the outer surface of the top end of the compressor shell in a penetrating manner, and a rotating cover is rotatably arranged inside the outer surface of the top end of the liquid storage cavity;

adopt above-mentioned technical scheme to make the setting through the stock solution chamber to can store lubricating oil, through the setting of rotating the lid simultaneously, thereby prevent that impurity and dust from getting into.

Preferably, the two sides of the compressor shell, which are positioned on the outer surface of the bottom end of the liquid storage cavity, are respectively provided with a liquid guide pipe in a penetrating and conducting manner, the liquid guide pipe and the liquid storage cavity are connected and arranged in an inverted Y shape, the output end of the liquid guide pipe penetrates through the inner wall of one side of the bearing groove, which is close to the input end of the liquid guide cavity, and the inner wall of the output end of the liquid guide pipe is provided with a sealing ring in a surrounding manner;

by adopting the technical scheme, the arrangement of the liquid guide pipe can separate the lubricating liquid into the liquid guide cavities on two sides of the drawing.

Preferably, a joint is arranged in the drainage cavity close to the top end, limiting sliding blocks are arranged on the outer surface of one side of the joint close to the bottom end in an equidistant surrounding mode, and limiting sliding grooves are formed in the inner part of one side of the drainage cavity close to the limiting sliding blocks;

adopt above-mentioned technical scheme to make the setting through spacing slider and spacing spout to make the bearing whole when installing, can make to connect the compression can not contradict, the installation of wholly being convenient for, the distance that stretches out is shorter simultaneously to connect, wholly when dismantling, also is convenient for take out.

Preferably, one end of each limiting sliding block is clamped and slidably mounted inside each limiting sliding groove, the liquid guide cavity and the joint form sliding clamping connection, and compression springs are mounted and connected between the outer surface of the bottom end of each limiting sliding block inside each limiting sliding groove and the inner wall of the bottom end of each limiting sliding groove;

by adopting the technical scheme, the resetting of the compression spring is realized, so that the stability of installation between the joint and the liquid guide tube is higher, and the integral liquid guide effect is ensured.

Preferably, the outer surface of the bottom end of the joint is provided with an auxiliary ring, the outer surface of one side of the bottom end of the auxiliary ring is abutted and attached to the inner wall of one side of the drainage cavity, and the edge of the outer surface of the top end of the joint is attached to the inner wall of one side of the sealing ring of the inner wall of the output end of the drainage tube;

adopt above-mentioned technical scheme to make holistic leakproofness higher, holistic drain effect is better.

Compared with the prior art, the beneficial effects of the utility model are that: the single-machine two-stage compressor of the low-temperature refrigeration equipment comprises:

1. the lubricating oil guide device is provided with the steel balls and the liquid guide cavity, the steel balls are abutted through rotation of the balls in the using process, and the lubricating oil in the liquid guide cavity flows out through the abutting and rising of the steel balls, so that the inside of the bearing is automatically lubricated, the bearing is integrally conveniently lubricated, the service life of the whole body is prolonged, and the smoothness of the integral operation is ensured;

2. the liquid storage cavity and the rotating cover are arranged, and through the conduction connection among the liquid storage cavity, the liquid guide pipe and the liquid guide cavity, the whole body can store lubricating liquid in the liquid storage cavity, so that the whole body does not need to be injected for many times, the whole body is more convenient to use, and meanwhile, through the arrangement of the rotating cover, impurities are not easy to enter the liquid storage cavity, the purity of the lubricating liquid is ensured, and the blockage is prevented;

3. be provided with compression spring and joint, through the spacing slider who connects both sides for connect whole and lead between the liquid chamber for sliding telescopic connection, through compression spring's compression reset characteristic simultaneously, thereby make and to be connected fixedly between the output of joint and catheter, whole butt joint leakproofness is higher, can bounce the butt joint voluntarily, whole convenient to use.

Drawings

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

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the sectional structure of the outer ring and the inner ring;

fig. 4 is a schematic view of the three-dimensional structure of the joint of the present invention.

In the figure: 1. a compressor housing; 2. a bearing groove; 3. a liquid storage cavity; 4. a catheter; 5. rotating the cover; 6. an outer ring; 7. an inner ring; 8. a ball bearing; 9. a limiting groove; 10. a drainage cavity; 11. steel balls; 12. a joint; 13. an auxiliary ring; 14. a limiting slide block; 15. a limiting chute; 16. a compression spring; 17. a seal ring; 18. a 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 a technical solution: the utility model provides a low temperature refrigeration plant unit doublestage compressor, including compressor housing 1, bearing groove 2, liquid storage cavity 3, catheter 4, rotation lid 5, outer loop 6, inner ring 7, ball 8, spacing groove 9, drain chamber 10, steel ball 11, joint 12, supplementary ring 13, limit slide 14, spacing spout 15, compression spring 16, sealing ring 17 and screw rod 18, the inside symmetry of one side of compressor housing 1 is embedded to be provided with bearing groove 2, the inside of bearing groove 2 all is provided with outer loop 6, and the inside of outer loop 6 is provided with inner ring 7, and it is provided with screw rod 18 all to block the installation in inner ring 7's the inner wall, the surface intermediate position of inner ring 7 and the inner wall intermediate position of outer loop 6 are all embedded to be provided with spacing groove 9, and equidistant block rotation between spacing groove 9 and the spacing groove 9 is provided with ball 8, the embedded drain chamber 10 that is provided with of the top one side surface of outer loop 6, and the bottom one side of drain chamber 10 sets up to the toper form, and the bottom of drain chamber 10 runs through with and switch on one side of the inner wall of outer loop 6, the bottom of drain chamber 10 runs through the bottom of outer loop 11, and set up the protruding inner wall of steel ball 11 in the outer loop 6.

A liquid storage cavity 3 is reserved longitudinally in the compressor shell 1 at the middle position inside the top ends of the 2 bearing grooves 2, the outer surface of the top end of the liquid storage cavity 3 is communicated with the outer surface of the top end of the compressor shell 1 in a penetrating manner, and a rotating cover 5 is rotatably arranged inside the outer surface of the top end of the liquid storage cavity 3; compressor housing 1 is located the both sides of the bottom surface of stock solution chamber 3 and all runs through to switch on and is provided with catheter 4, and be connected between catheter 4 and the stock solution chamber 3 and set up to falling "Y" shape, and the output of catheter 4 runs through one side inner wall that bearing groove 2 is close to drain chamber 10 input, it is provided with sealing ring 17 to surround on catheter 4's the output inner wall, when using the device, at first will rotate lid 5 and open, pour certain lubricated liquid into the inside of stock solution chamber 3, later will rotate lid 5 and close, rotate the setting of lid 5 simultaneously, thereby make whole inside difficult dust and impurity reduction jam's possibility of getting into, whole at the in-process rotation through screw rod 18 at first, thereby drive inner ring 7 and ball 8 and rotate simultaneously, when ball 8 rotates a certain position, with steel ball 11 this moment, thereby make steel ball 11 jack-up, make the inside lubricated liquid of drain chamber 10 flow out from the clearance of steel ball 11 with drain chamber 10 output, thereby carry out self-lubrication to the bearing is whole and is contradicted, thereby make whole rotation more smooth and more prolonged the life of whole.

A joint 12 is arranged in the drainage cavity 10 close to the top end, a limiting slide block 14 is arranged on the outer surface of one side of the joint 12 close to the bottom end in a surrounding mode at equal intervals, and a limiting slide groove 15 is formed in one side of the drainage cavity 10 close to the limiting slide block 14; one end of the limiting slide block 14 is clamped and slidably mounted inside the limiting slide groove 15, the liquid guide cavity 10 and the connector 12 form sliding clamping connection, and a compression spring 16 is mounted between the outer surface of the bottom end of the limiting slide block 14 inside the limiting slide groove 15 and the inner wall of the bottom end of the limiting slide groove 15 in a connecting mode; the bottom surface mounting of joint 12 is provided with supplementary ring 13, and the laminating is contradicted with one side inner wall of drain chamber 10 to the bottom one side surface of supplementary ring 13, the laminating of top surface edge of joint 12 and the laminating of sealing ring 17 one side inner wall of catheter 4 output inner wall, when installing bearing whole, through compression spring 16's compression, make joint 12 to retrieve, thereby be convenient for contradict and install the inside at bearing groove 2, install a certain position after, joint 12 and catheter 4's output contact this moment, make compression spring 16 reset, it is ejecting to drive joint 12, thereby be connected with catheter 4's output contact, thereby make the integral connection switch on, the integral connection stability is high, excellent in use effect.

The working principle is as follows: when the low-temperature refrigeration equipment single-machine two-stage compressor is used, the device passes through the liquid storage cavity 3, the liquid guide pipe 4, the liquid guide cavity 10, the steel ball 11, the joint 12 and the auxiliary ring 13 in the use process, so that the bearing can be automatically lubricated, the whole operation is smoother, the whole service life is prolonged, and the whole practicability is improved.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a low temperature refrigeration plant unit doublestage compressor, includes compressor housing (1), bearing groove (2), stock solution chamber (3), outer loop (6) and inner ring (7) its characterized in that: the compressor shell is characterized in that a bearing groove (2) is symmetrically and symmetrically arranged in one side of the compressor shell (1) in an embedded mode, an outer ring (6) is arranged in the bearing groove (2), an inner ring (7) is arranged in the outer ring (6) in an embedded mode, a screw rod (18) is arranged in the inner wall of the inner ring (7) in an all-clamping mode, a limiting groove (9) is arranged in the outer surface middle position of the inner ring (7) and the inner wall middle position of the outer ring (6) in an all-embedded mode, balls (8) are arranged between the limiting groove (9) and the limiting groove (9) in an all-clamping mode in an equidistant clamping mode in a rotating mode, a liquid guide cavity (10) is arranged in the outer surface of one side of the top end of the outer ring (6) in an embedded mode, the bottom end of the liquid guide cavity (10) is arranged in a conical mode, the bottom end of the liquid guide cavity (10) is communicated with one side of the inner wall of the outer ring (6) in a penetrating mode, steel ball (11) is arranged in the end of the liquid guide cavity (10) in an all-penetrating mode, and the bottom side of the steel ball (11) protrudes out and is arranged in the limiting groove (9) of the inner wall of the outer ring (6).

2. A single unit two-stage compressor for a cryogenic refrigeration plant as claimed in claim 1, wherein: compressor housing (1) is located the inside intermediate position in top of 2 bearing grooves (2) and vertically reserves and is provided with stock solution chamber (3), and the top surface of the top surface in stock solution chamber (3) and the top surface of compressor housing (1) run through and switch on to the inside installation of rotating of the top surface in stock solution chamber (3) is provided with and rotates lid (5).

3. A single-unit two-stage compressor for a cryogenic refrigeration plant according to claim 1, wherein: compressor housing (1) is located the both sides of the bottom surface of stock solution chamber (3) and all runs through to switch on and is provided with catheter (4), and is connected between catheter (4) and stock solution chamber (3) and sets up to "Y" shape to the output of catheter (4) runs through bearing groove (2) and is close to one side inner wall of drain chamber (10) input, it is provided with sealing ring (17) to surround on the output inner wall of catheter (4).

4. A single unit two-stage compressor for a cryogenic refrigeration plant according to claim 3, wherein: drainage chamber (10) are close to top inside and are provided with joint (12) and are close to one side surface of bottom equidistant encircleing and be provided with limiting slide block (14), drainage chamber (10) are close to one side inside of limiting slide block (14) and have all seted up limiting slide groove (15).

5. A single-unit two-stage compressor for a cryogenic refrigeration plant according to claim 4, wherein: the equal block slidable mounting of one end of spacing slider (14) is in the inside of spacing spout (15), and constitutes the slip block between drain chamber (10) and joint (12) and is connected, spacing slider (14) are located and all are connected the installation between the inside bottom surface of spacing spout (15) and the bottom inner wall of spacing spout (15) and are provided with compression spring (16).

6. A single-unit two-stage compressor for a cryogenic refrigeration plant according to claim 5, wherein: the outer surface mounting in bottom of joint (12) is provided with supplementary ring (13), and the outer surface of bottom one side of supplementary ring (13) contradicts the laminating with one side inner wall of drainage chamber (10), the top surface edge of joint (12) and the laminating of sealing ring (17) one side inner wall of catheter (4) output inner wall.