CN212538371U

CN212538371U - Oil circuit system of parallel unit

Info

Publication number: CN212538371U
Application number: CN202021475324.8U
Authority: CN
Inventors: 徐元路; 周长勇
Original assignee: Qingdao Bingquan Refrigeration Equipment Engineering Co ltd
Current assignee: Qingdao Bingquan Refrigeration Equipment Engineering Co ltd
Priority date: 2020-07-24
Filing date: 2020-07-24
Publication date: 2021-02-12
Anticipated expiration: 2030-07-24

Abstract

The utility model discloses an oil circuit system of a parallel unit, which comprises a compressor and a second oil pipe, wherein one side of the compressor is fixedly connected with a first oil pipe, the end of one side of the first oil pipe is fixedly connected with a first flange ring, the side of the second oil pipe close to the first flange ring is fixedly connected with a second flange ring, a fixing bolt is arranged between the first flange ring and the second flange ring, the concentric axis of the fixing bolt is in threaded connection with a fixing nut, the outside of the first flange ring and the outside of the second flange ring are fixedly connected with a first fixing ring and a second fixing ring, the utility model discloses a device is provided with the first fixing ring, the second fixing ring, a fixing screw, a tightening handle and the like, the first fixing ring and the second fixing ring are sleeved outside the first flange ring and the second flange ring, and the tightening handle is utilized to drive the fixing screw to rotate, the first fixing ring and the second fixing ring are fixed, and the structure is simple, convenient and practical.

Description

Oil circuit system of parallel unit

Technical Field

The utility model relates to a parallel unit technical field especially relates to parallel unit's oil piping system.

Background

The parallel unit is a refrigerating unit formed by connecting two or more compressors in parallel and sharing a set of refrigerating circuit, and the parallel unit can be in various forms according to different refrigerating temperatures and refrigerating capacities, namely the same unit can be formed by compressors of the same type, compressors of different types, compressors of the same type (such as piston machines) or compressors of different types (such as piston machines and screw machines), can load a single evaporation temperature or a plurality of different evaporation temperatures, can be a single-stage system or a two-stage system, can be a single-circulating system or a multiple-stage system, and the like.

The connection between oil pipe and the oil pipe generally uses flange joint on the oil piping system, fixes the flange ring through fixed subassembly, nevertheless has certain clearance no matter what kind of fixed subassembly that uses between the flange ring, and this makes the refrigeration oil reveal from the gap easily, so need design a new oil piping system and solve above-mentioned problem.

Disclosure of Invention

The utility model aims at solving the defects existing in the prior art and providing an oil circuit system of a parallel unit.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the oil circuit system of the parallel unit comprises a compressor and a second oil pipe, wherein one side of the compressor is fixedly connected with the first oil pipe, the tail end of one side of the first oil pipe is fixedly connected with a first flange ring, one side of the second oil pipe close to the first flange ring is fixedly connected with a second flange ring, a fixing bolt is arranged between the first flange ring and the second flange ring, a fixing nut is connected with the outer side of the concentric axis of the fixing bolt in a threaded manner, a first fixing ring and a second fixing ring are fixedly sleeved on the outer side of the first flange ring and the outer side of the second flange ring, the inner walls of the peripheral sides of the first fixing ring and the second fixing ring are fixedly connected with rubber sealing rings, one side of each rubber sealing ring is fixedly connected with an inflating nozzle, the inflating valve is characterized in that a valve cover is connected to one side of the inflating valve through threads, a fixing screw is arranged between the first fixing ring and the second fixing ring, and a tightening handle is fixedly connected to the rear end of the fixing screw.

As a further description of the above technical solution:

and reserved connecting holes are formed in the first flange ring and the second flange ring at positions corresponding to the fixing bolts.

As a further description of the above technical solution:

and gaskets are arranged among the fixing nuts, the first flange ring and the second flange ring.

As a further description of the above technical solution:

the size of the first fixing ring is the same as that of the second fixing ring, and the first fixing ring and the second fixing ring are symmetrical about the central axis of the rubber sealing ring.

As a further description of the above technical solution:

and a fixed connecting hole is formed in the inner part of one side of the rubber sealing ring at a position corresponding to the inflating nozzle.

As a further description of the above technical solution:

the outer surface of the periphery of the nozzle cover is uniformly provided with a plurality of groups of anti-skid grains.

The utility model discloses following beneficial effect has:

1. the utility model provides an oil piping system of parallel unit compares with traditional device, has the solid fixed ring of first solid fixed ring, second, set screw and screws up devices such as handle through being provided with the device, cup joints the solid fixed ring of first solid fixed ring and second in the first flange ring and the second flange ring outside, recycles and screws up the handle and drives set screw and rotate, fixes first solid fixed ring and second fixed ring, simple structure, convenient and practical.

2. The device compares with traditional device, its structure and design all have great innovation and improvement, through being provided with rubber seal, devices such as charging connector and mouth lid, rubber seal fixed connection is on the solid fixed ring's of first solid fixed ring and second inboard, be promptly in the outside of first flange ring and second flange ring, at first fix fixed ring and second fixed ring and live, then through aerifing towards rubber seal to the charging connector, make rubber seal the clearance between first flange ring and the second flange ring completely, thereby prevent that the refrigeration oil from flowing out from the clearance between first oil pipe and the second oil pipe, be worth wideling popularize.

Drawings

Fig. 1 is a front view structural diagram of an oil circuit system of a parallel unit provided by the present invention;

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

FIG. 3 is an enlarged view of a portion of FIG. 2 at B;

fig. 4 is a schematic view of a connection structure between the first fixing ring, the second fixing ring, the fixing bolt, the fixing nut, the tightening handle, the rubber seal ring and the nozzle cover.

Illustration of the drawings:

1. a compressor; 2. a second oil pipe; 3. a first retaining ring; 4. a set screw; 5. a first oil pipe; 6. a second flange ring; 7. a first flange ring; 8. fixing the bolt; 9. fixing a nut; 10. a gasket; 11. a spout cover; 12. an air charging nozzle; 13. a second retaining ring; 14. tightening the grip; 15. a rubber seal ring.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: oil piping system of parallel unit, including compressor 1 and second oil pipe 2, the first oil pipe 5 of 1 one side fixedly connected with of compressor, the first flange ring 7 of the terminal fixedly connected with in one side of first oil pipe 5, second oil pipe 2 is close to first flange ring 7 one side fixedly connected with second flange ring 6, be provided with fixing bolt 8 between first flange ring 7 and the second flange ring 6, fixing bolt 8 concentric axis outside threaded connection has fixation nut 9, the fixed cover in the first flange ring 7 outside and the second flange ring 6 outside has first solid fixed ring 3 and the solid fixed ring 13 of second, first solid fixed ring 3 and the solid fixed ring 13 week side inner wall fixedly connected with rubber seal 15 of second, rubber seal 15 one side fixedly connected with charging connector 12, charging connector 12 one side threaded connection has mouth lid 11, be provided with set screw 4 between first solid fixed ring 3 and the solid fixed ring 13 of second, set screw 4 rear side end fixedly connected with screws up handle 14.

Reserved connecting holes are formed in the inner portion of the first flange ring 7 and the inner portion of the second flange ring 6 corresponding to the fixing bolts 8, the fixing bolts 8 can connect the first flange ring 7 and the second flange ring 6 through the reserved connecting holes conveniently, gaskets 10 are arranged between the fixing nuts 9 and the first flange ring 7 and the second flange ring 6, the gaskets 10 can increase the contact area between the fixing nuts 9 and the first flange ring 7 and the second flange ring 6 and facilitate the fixing of the fixing nuts 9, the size of the first fixing ring 3 is the same as that of the second fixing ring 13, the first fixing ring 3 and the second fixing ring 13 are symmetrical about the central axis of the rubber sealing ring 15, the rubber sealing ring 15 is fixed on the outer sides of the first flange ring 7 and the second flange ring 6 through the first fixing ring 3 and the second fixing ring 13 conveniently, the fixed connecting holes are formed in the inner portion of one side of the rubber sealing ring 15 and corresponding to the inflating nozzle 12, be convenient for rush into rubber seal 15's inside through charging connector 12 with gas, utilize rubber seal 15 to seal up the clearance of first flange ring 7 and second flange ring 6, prevent revealing of coolant oil, a plurality of sets of anti-skidding lines have evenly been seted up to the lateral surface all around of mouth lid 11, increase the frictional force between finger and the mouth lid 11, be convenient for be connected and separate between mouth lid 11 and the charging connector 12.

The working principle is as follows: the utility model provides an oil piping system of parallel unit has great improvement innovation with traditional device, when using this oil piping system of parallel unit, at first with 15 covers of rubber seal in the outside of first flange ring 7 and second flange ring 6, because the 15 outside of rubber seal is connected with the solid fixed ring of first solid fixed ring 3 and the solid fixed ring of second 13, it rotates to screw up handle 14 drive set screw 4 through rotating, fix first solid fixed ring 3 and the solid fixed ring of second 13, screw down nozzle cover 11 from charging connector 12, aerify toward charging connector 12 through aerating device, treat that rubber seal 15 can seal up the clearance between first flange ring 7 and the second flange ring 6, reuse nozzle cover 11 seal up charging connector 12 can, make the refrigerant oil can't spill over from the clearance between first oil pipe 5 and the second oil pipe 2 can.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. Oil piping system of parallelly connected unit, including compressor (1) and second oil pipe (2), its characterized in that: the compressor is characterized in that a first oil pipe (5) is fixedly connected to one side of the compressor (1), a first flange ring (7) is fixedly connected to one end of one side of the first oil pipe (5), a second flange ring (6) is fixedly connected to one side of the first flange ring (7) and is close to the second oil pipe (2), a fixing bolt (8) is arranged between the first flange ring (7) and the second flange ring (6), a fixing nut (9) is connected to the outer side of a concentric axis of the fixing bolt (8) in a threaded manner, a first fixing ring (3) and a second fixing ring (13) are fixedly connected to the outer side of the first flange ring (7) and the outer side of the second flange ring (6) in a sleeved manner, a rubber sealing ring (15) is fixedly connected to the inner walls of the peripheral sides of the first fixing ring (3) and the second fixing ring (13), an inflating nozzle (12) is fixedly connected to one side of the rubber sealing ring (15), a fixing screw (4) is arranged between the first fixing ring (3) and the second fixing ring (13), and a tightening handle (14) is fixedly connected to the rear end of the fixing screw (4).

2. The oil circuit system of the parallel unit according to claim 1, wherein: reserved connecting holes are formed in the inner portion of the first flange ring (7) and the inner portion of the second flange ring (6) corresponding to the fixing bolts (8).

3. The oil circuit system of the parallel unit according to claim 1, wherein: and gaskets (10) are arranged between the fixing nut (9) and the first flange ring (7) and between the fixing nut and the second flange ring (6).

4. The oil circuit system of the parallel unit according to claim 1, wherein: the size of the first fixing ring (3) is the same as that of the second fixing ring (13), and the first fixing ring (3) is symmetrical to the second fixing ring (13) about the central axis of the rubber sealing ring (15).

5. The oil circuit system of the parallel unit according to claim 1, wherein: and a fixed connecting hole is formed in the inner part of one side of the rubber sealing ring (15) corresponding to the position of the inflating nozzle (12).

6. The oil circuit system of the parallel unit according to claim 1, wherein: the outer surface of the peripheral side of the nozzle cover (11) is evenly provided with a plurality of groups of anti-skid grains.