CN211011997U

CN211011997U - Intermediate device for replacing refrigerating oil of refrigerating unit

Info

Publication number: CN211011997U
Application number: CN201922306220.8U
Authority: CN
Inventors: 张松伟; 程妍; 张松楠
Original assignee: Liaoning Shuangtai Electromechanical Engineering Co ltd
Current assignee: Liaoning Shuangtai Electromechanical Engineering Co ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-07-14
Anticipated expiration: 2029-12-20

Abstract

The utility model discloses an intermediate device for replacing refrigerating oil of a refrigerating unit, which relates to the field of refrigerating unit devices and provides the following proposal aiming at the problem of complicated replacing process of the existing refrigerating oil, which comprises a box body and a hollow threaded rod, wherein a hole is arranged at the middle position of the top end of the box body, a fixed plate is arranged at the top end of the box body, a hole is arranged at the top end of the fixed plate, a hollow threaded rod is slidably arranged in the hole, the upper end of the hollow threaded rod is movably connected with a rotating wheel, and the outer ring of the rotating wheel is provided with a handle, the hollow threaded rod is internally provided with an oil filling pipe, the upper end of the oil filling pipe is provided with an oil filling opening, an oil outlet is installed at the lower end of the oil filling pipe, a guide rod is installed inside the box body, a sealing plate is in sliding fit with the outer ring of the guide rod, and a fixed joint is installed between the sealing plate and the hollow threaded rod. The utility model discloses novel structure, and solved the numerous and diverse problem of refrigeration oil change process.

Description

Intermediate device for replacing refrigerating oil of refrigerating unit

Technical Field

The utility model relates to a refrigerating unit device field especially relates to an intermediate device that refrigerating unit refrigeration oil was changed.

Background

In the compressor, the refrigeration oil mainly plays four roles of lubrication, sealing, temperature reduction and energy regulation. (1) The refrigerant oil plays a role in lubricating during the operation of the compressor so as to reduce the running friction and the abrasion degree of the compressor, thereby prolonging the service life of the compressor. (2) The refrigerant oil plays a sealing role in the compressor, so that the sealing effect is achieved between the piston and the cylinder surface in the compressor and between the rotating bearings, and the refrigerant is prevented from leaking. (3) When the refrigeration oil is used for lubricating all moving parts of the compressor, the refrigeration oil can take away heat generated in the working process, so that all the moving parts can keep a lower temperature, and the efficiency and the use reliability of the compressor are improved. (4) The energy regulation can utilize the oil pressure of the refrigeration oil as the power of the energy regulation machine for the refrigeration compressor with the energy regulation mechanism.

The refrigerating unit works for a long time, and the refrigerating oil needs to be replaced when the compressor runs for two thousand hours to reach the initial maintenance period. However, the existing process for replacing the refrigeration oil is complicated and inconvenient to operate, so that an intermediate device for replacing the refrigeration oil of the refrigerating unit is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides an intermediate device that refrigerating unit refrigeration oil was changed has solved the problem that the refrigeration oil change process is numerous and diverse.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an intermediate device that refrigerating unit refrigeration oil was changed, includes box and hollow threaded rod, the top intermediate position of box sends out porosely, just the fixed plate is installed to the top position of box, the top of fixed plate is equipped with the hole, just downthehole slidable mounting has hollow threaded rod, hollow threaded rod's upper end swing joint has the runner, just the outer lane of runner is equipped with the handle, hollow threaded rod's inside is equipped with annotates oil pipe, annotate oil pipe's upper end and install the oiling mouth, just the oil-out is installed to the lower extreme of annotating oil pipe, the internally mounted of box has the guide bar, just the outer lane sliding fit of guide bar has the closing plate, the closing plate with install fixed joint between the hollow threaded rod.

Preferably, the hose is installed to the lower extreme of box, just the stop valve is installed to the lower extreme of hose, the joint is installed to the lower extreme of stop valve, just connect fixedly connected with process line.

Preferably, a stop valve knob is mounted on the side surface of the stop valve.

Preferably, the bottom of box is close to the lateral wall position and installs the fixed block, just the upper end of fixed block is equipped with the blast pipe, box outer end lateral wall is equipped with the exhaust hole, just the valve has been sent out to the exhaust hole outer end.

Preferably, the sealing plate is in interference fit with the inner wall of the box body.

The utility model has the advantages that:

1: when the device is used, the joint is connected with a compressor process pipeline, the refrigerating oil is injected through the oil injection port, the valve and the threaded cover are closed, the sealing plate is lowered by rotating the rotating wheel clockwise, and the refrigerating oil is injected into the process pipeline under the action of the atmospheric pressure.

2: when the device is used, the exhaust pipeline is arranged, before oil injection work is started, the rotating wheel, the sealing plate, the exhaust pipeline and the oil injection port are matched, and therefore air in the box body is exhausted.

In conclusion, the intermediate device for replacing the refrigerating oil of the refrigerating unit solves the problem of complex replacing process of the refrigerating oil, and is novel in structure, convenient, practical and suitable for popularization.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the structure of the runner and the handle of the present invention.

Fig. 3 is a schematic view of the structure of the screw cap of the present invention.

Reference numbers in the figures: the oil injection device comprises a rotating wheel 1, a fixing plate 2, a box body 3, a sealing plate 4, an oil outlet 5, a hose 6, a stop valve knob 7, a joint 8, a stop valve 9, a fixing block 10, an exhaust pipe 11, a valve 12, an exhaust hole 13, a guide rod 14, a hollow threaded rod 15, a handle 16, an oil injection port 17, a threaded cover 18 and a fixing joint 19.

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.

Referring to fig. 1-3, an intermediate device that refrigerating unit refrigeration oil was changed, including box 3 and hollow threaded rod 15, the top intermediate position of box 3 is equipped with the hole, just fixed plate 2 is installed to the top position of box 3, the top of fixed plate 2 is equipped with the hole, just downthehole slidable mounting has hollow threaded rod 15, the upper end swing joint of hollow threaded rod 15 has runner 1, just the outer lane of runner 1 is equipped with handle 16, the inside of hollow threaded rod 15 is equipped with the oiling pipe, oiling mouth 17 is installed to the upper end of oiling pipe, just oil-out 5 is installed to the lower extreme of oiling pipe, the internally mounted of box 3 has guide bar 14, just the outer lane sliding fit of guide bar 14 has closing plate 4, closing plate 4 with install fixed joint 19 between the hollow threaded rod 15.

Specifically, hose 6 is installed to the lower extreme of box 3, just stop valve 9 is installed to the lower extreme of hose 6, joint 8 is installed to the lower extreme of stop valve 9, just joint 8 fixedly connected with process line.

Specifically, a stop valve knob 7 is installed on the side surface of the stop valve 9.

Specifically, the bottom of box 3 is close to lateral wall position and installs fixed block 10, just the upper end of fixed block 10 is equipped with

blast pipe

11, 3 outer end lateral walls of box are equipped with exhaust hole 13, just exhaust hole 13 outer end is equipped with valve 12.

Specifically, the sealing plate 4 is in interference fit with the inner wall of the box body 3.

The working principle is as follows: when the intermediate device for replacing the refrigerating oil of the refrigerating unit is used, firstly, residual refrigerating oil in a compressor is discharged, then a joint 8 is communicated with a process pipeline, the refrigerating oil is injected to the lower end of a box body 3 through a hollow threaded rod 15 through an oil injection port 17, then a worker manually rotates a handle 16 to enable a rotating wheel 1 to rotate clockwise, so that the hollow threaded rod 15 is driven to descend, then a sealing plate 4 fixed on the outer ring of the hollow threaded rod 15 descends, the refrigerating oil is conveyed to a hose 6 through a hole at the bottom end of the box body 3 under the action of atmospheric pressure, then the handle 16 is continuously rotated, the refrigerating oil reaches the joint 8 through a stop valve 9 and is injected into the process pipeline, the supplement and replacement of the refrigerating oil are completed, a threaded cover 18 is arranged, if air is mixed into the device in the oil injection process, water can be injected through an air exhaust hole 13 to discharge the, then, the refrigerant oil is injected through the oil injection port 17, and the refrigerant oil is pressurized into the process line by the pressure in the tank 3.

The above, only be the present invention's more detailed implementation, but the utility model discloses a protection scope is not limited to this, and any technical personnel who is familiar with this technical field are in the utility model discloses a technical scheme and utility model thereof think of the equivalent replacement or change in addition, all should be covered within the protection scope of the utility model.

Claims

1. The utility model provides an intermediate device that refrigerating unit refrigeration oil was changed, includes box (3) and hollow threaded rod (15), its characterized in that, the top intermediate position of box (3) is equipped with the hole, just fixed plate (2) are installed to the top position of box (3), the top of fixed plate (2) is equipped with the hole, just downthehole slidable mounting has hollow threaded rod (15), the upper end swing joint of hollow threaded rod (15) has runner (1), just the outer lane of runner (1) is equipped with handle (16), the inside of hollow threaded rod (15) is equipped with the oiling pipe, oiling mouth (17) are installed to the upper end of oiling pipe, just oil-out (5) are installed to the lower extreme of oiling pipe, the internally mounted of box (3) has guide bar (14), just the outer lane sliding fit of guide bar (14) has closing plate (4), and a fixed joint (19) is arranged between the sealing plate (4) and the hollow threaded rod (15).

2. An intermediate device for refrigerating unit refrigeration oil replacement according to claim 1, characterized in that the lower end of the box body (3) is provided with a hose (6), the lower end of the hose (6) is provided with a stop valve (9), the lower end of the stop valve (9) is provided with a joint (8), and the joint (8) is fixedly connected with a process pipeline.

3. An intermediate device for refrigerating unit refrigeration oil exchange according to claim 2, characterized in that the side of the stop valve (9) is mounted with a stop valve knob (7).

4. An intermediate device for refrigerating unit refrigeration oil replacement according to claim 1, characterized in that a fixed block (10) is installed at the bottom end of the box body (3) near the side wall, an exhaust pipe (11) is arranged at the upper end of the fixed block (10), an exhaust hole (13) is arranged on the side wall of the outer end of the box body (3), and a valve (12) is arranged at the outer end of the exhaust hole (13).

5. An intermediate device for refrigerating unit refrigeration oil exchange according to claim 1, characterized in that the sealing plate (4) is in interference fit with the inner wall of the tank (3).