Refrigerating machine oil extraction device

Abstract

The utility model discloses a refrigerating machine oil extracting device which comprises a limiting device, a supporting device is rotationally installed at the top end of the limiting device, a refrigerating machine oil barrel is placed in the center of the top end of the supporting device, and an aligning device is placed at the top end of the refrigerating machine oil barrel. The alignment device comprises an oil well pump, a flow meter, a supporting sleeve, a hose and a metal pipe, the flow meter is fixedly installed at the front end of the oil well pump, the hose is fixedly installed at the bottom end of the oil well pump, the supporting sleeve is fixedly installed at the top of an outer ring of the hose, and the metal pipe is fixedly installed at the bottom end of the hose. The supporting device comprises a positioning sleeve, guide rods and a supporting base, the guide rods are fixedly installed at the four corners of the top end of the supporting base, and the positioning sleeve is slidably connected to the guide rods in a sleeving mode. Through the arrangement of the alignment device, the supporting device and the limiting device, the purpose of extracting residual engine oil in the oil drum of the refrigerator is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of extraction devices, in particular to a refrigeration oil extraction device. Background Art

[0002] A refrigerator is a compressor used in compression refrigeration. Due to differences in operating conditions and the compressed working medium, it differs from ordinary air compressors. Lubricants are formulated based on the refrigerator's operating characteristics and specific lubricant requirements. Common refrigerants include Freon, ammonia, lithium bromide, and methyl chloride.

[0003] For example, a refrigeration oil extraction device with Chinese patent publication number CN218409502U includes a raw material barrel, a pneumatic extraction mechanism, an electrostatic protection mechanism and a placement platform; the raw material barrel is provided with an extraction port and a recovery port; the pneumatic end of the pneumatic extraction mechanism is connected to an external air pressure pipeline, and the extraction end of the pneumatic extraction mechanism is inserted into the raw material barrel through the extraction port; the placement platform is arranged between the raw material barrel and the discharge end of the pneumatic extraction mechanism, and an oil leakage port is provided at the bottom of the placement platform, and the oil leakage port is located directly above the recovery port; one end of the electrostatic protection mechanism is grounded, and the other end of the electrostatic protection mechanism is assembled with the extraction end of the pneumatic extraction mechanism.

[0004] The extraction device in the above patent can only achieve the purpose of improving safety performance when in use. However, when the existing extraction device is in use, since the bottom end of the extraction tube adopts a flat design and the refrigeration oil barrel is placed in a vertical state, after the refrigeration oil is about to be extracted, there will be residual refrigeration oil at the bottom that cannot be extracted. Therefore, a device is needed to improve the above problem. Utility Model Content

[0005] The purpose of the present utility model is to provide a refrigeration oil extraction device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a refrigeration oil extraction device, comprising a limiting device, a supporting device is rotatably installed on the top of the limiting device, a refrigeration oil barrel is placed at the top center of the supporting device, and a positioning device is placed on the top of the refrigeration oil barrel, the positioning device comprises an oil pump, a flow meter, a support sleeve, a hose and a metal pipe, the flow meter is fixedly installed at the front end of the oil pump, the hose is fixedly installed at the bottom end of the oil pump, the support sleeve is fixedly installed at the top of the outer ring of the hose, and the metal pipe is fixedly installed at the bottom end of the hose.

[0007] Preferably, the support device includes a positioning sleeve, a guide rod and a support base, the guide rod is fixedly mounted on the four corners of the top end of the support base, and the positioning sleeve is slidably sleeved on the guide rod.

[0008] Preferably, the limiting device includes a positioning base, a supporting cross plate and a hydraulic cylinder, the supporting cross plate is symmetrically fixedly installed on one end of the inner part of the positioning base, and the hydraulic cylinder is symmetrically fixedly installed on the inner bottom end of the positioning base close to the supporting cross plate.

[0009] Preferably, one end of the support base is rotatably mounted on the top of the positioning frame away from the hydraulic cylinder, and the oil pump is placed on the top of the refrigerator oil drum.

[0010] Preferably, a magnetic sheet is fixedly mounted on the inner ring of the positioning sleeve.

[0011] Preferably, the hose, oil pump and flow meter are interconnected

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0013] When the device is in use, the refrigeration oil drum can be surrounded and restricted by the setting of the positioning sleeve. At the same time, the metal tube is fitted with the inner bottom end of the refrigeration oil drum. When the oil pump is started, the refrigeration oil can be extracted from the inside of the flow meter, so that the extraction amount of the refrigeration oil can be accurately controlled. Moreover, when the hydraulic cylinder is started, the supporting base and the refrigeration oil drum can be driven to tilt as a whole, so that the metal tube will move to the inclined position at the same time to perform the extraction work, thereby completing the work of thoroughly extracting the inside of the refrigeration oil drum. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0015] Figure 2 This is a schematic structural diagram of the alignment device of the present utility model;

[0016] Figure 3 This is a schematic structural diagram of the support device of the present utility model;

[0017] Figure 4 This is a schematic structural diagram of the limiting device of the present utility model.

[0018] In the figure: 1-alignment device, 2-support device, 3-limiting device, 4-refrigeration oil drum, 5-oil pump, 6-flow meter, 7-support sleeve, 8-hose, 9-metal pipe, 10-positioning sleeve, 11-guide rod, 12-support base, 13-positioning base, 14-support cross plate, 15-hydraulic cylinder. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] See also Figure 1-4 The utility model provides an embodiment: a refrigeration oil extraction device, including a limit device 3, a supporting device 2 is rotatably installed on the top of the limit device 3, a refrigeration oil barrel 4 is placed at the top center of the supporting device 2, and a positioning device 1 is placed on the top of the refrigeration oil barrel 4. The positioning device 1 includes an oil pump 5, a flow meter 6, a support sleeve 7, a hose 8 and a metal pipe 9. The flow meter 6 is fixedly installed at the front end of the oil pump 5, the hose 8 is fixedly installed at the bottom end of the oil pump 5, the support sleeve 7 is fixedly installed on the top of the outer ring of the hose 8, and the metal pipe 9 is fixedly installed at the bottom end of the hose 8.

[0021] The support device 2 includes a positioning sleeve 10, a guide rod 11 and a support base 12. The guide rod 11 is fixedly installed at the four corners of the top of the support base 12. The positioning sleeve 10 is slidably connected to the guide rod 11 to support the refrigerator oil drum 4 for placement.

[0022] The limiting device 3 includes a positioning base 13, a supporting cross plate 14 and a hydraulic cylinder 15. The supporting cross plate 14 is symmetrically fixedly installed on one end of the inner part of the positioning base 13, and the hydraulic cylinder 15 is symmetrically fixedly installed on the inner bottom end of the positioning base 13 close to the supporting cross plate 14. Circular holes are opened at both ends of the positioning base 13 away from the hydraulic cylinder 15, so that the supporting base 12 can be allowed to rotate with the circular hole as the axis.

[0023] One end of the support base 12 is rotatably mounted on the top of the positioning base 13 away from the hydraulic cylinder 15. The oil pump 5 is placed on the top of the refrigerator oil drum 4, which can stably support the refrigerator oil drum 4.

[0024] A magnetic sheet is fixedly mounted on the inner ring of the positioning sleeve 10 to prevent the refrigerator oil drum 4 from falling outward when the supporting base 12 is tilted.

[0025] The hose 8, the oil pump 5 and the flow meter 6 are interconnected, and the refrigeration oil inside the refrigeration oil barrel 4 can be extracted. The length of the hose 8 is greater than the internal height of the refrigeration oil barrel 4, so that the metal tube 9 can continue to move when the refrigeration oil barrel 4 is tilted.

[0026] Working principle: When in use, first operate the external dropping device to drop the refrigerator oil barrel 4 through the positioning sleeve 10 to the top center of the support base 12, and then pull the positioning sleeve 10 upward until the positioning sleeve 10 contacts the outer ring surface of the refrigerator oil barrel 4, and the inner ring surface of the positioning sleeve 10 is fixedly installed with a magnetic suction piece, so that the positioning sleeve 10 can be adsorbed on the outer ring of the refrigerator oil barrel 4, and the positioning sleeve 10 is slidably sleeved on the guide rod 11, so that the positioning sleeve 10 can be ensured to move in a straight line. Afterwards, the hose 8 and the metal pipe 9 can be inserted into the oil outlet inside the top of the refrigerator oil barrel 4 in turn, and then the oil pump 5 can be placed on the top of the refrigerator oil barrel 4. When the oil pump 5 is placed on the top of the refrigerator oil barrel 4, the support sleeve 7 can be slidably sleeved on the oil outlet at the top of the refrigerator oil barrel 4. Subsequently, the flow meter 6 can be connected to the external collection bucket, and the oil pump 5 can be started to absorb the refrigerator oil inside the refrigerator oil barrel 4 through the hose 8 and the metal pipe 9 and discharge it into the external storage bucket, and through the flow When the refrigeration oil in the refrigeration oil barrel 4 is about to be extracted, the hydraulic cylinder 15 can be started to drive the support base 12 to reset downward. When the support base 12 is rotated downward to the limit position, the support base 12 can be guaranteed to be placed in a horizontal state by the blocking of the supporting cross plate 14 to complete the work.

[0027] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A refrigeration oil extraction device, comprising a limiting device (3), a support device (2) being rotatably mounted on the top of the limiting device (3), a refrigeration oil drum (4) being placed at the center of the top of the support device (2), and a positioning device (1) being placed on the top of the refrigeration oil drum (4), characterized in that: The alignment device (1) comprises an oil pump (5), a flow meter (6), a support sleeve (7), a hose (8) and a metal pipe (9), wherein the flow meter (6) is fixedly mounted on the front end of the oil pump (5), the hose (8) is fixedly mounted on the bottom end of the oil pump (5), the support sleeve (7) is fixedly mounted on the top of the outer ring of the hose (8), and the metal pipe (9) is fixedly mounted on the bottom end of the hose (8).

2. A refrigerator oil extraction device according to claim 1, characterized in that: The support device (2) comprises a positioning sleeve (10), a guide rod (11) and a support base (12); the guide rod (11) is fixedly mounted at the top four corners of the support base (12); and the positioning sleeve (10) is slidably sleeved on the guide rod (11).

3. The refrigeration oil extraction device according to claim 2, characterized in that: The limiting device (3) comprises a positioning base (13), a supporting transverse plate (14) and a hydraulic cylinder (15); the supporting transverse plate (14) is symmetrically fixedly mounted on one end of the interior of the positioning base (13); and the hydraulic cylinder (15) is symmetrically fixedly mounted on the interior bottom end of the positioning base (13) near the supporting transverse plate (14).

4. The refrigeration oil extraction device according to claim 3, characterized in that: One end of the support base (12) is rotatably mounted on the top of the positioning frame (13) away from the hydraulic cylinder (15), and the oil pump (5) is placed on the top of the refrigerator oil barrel (4).

5. The refrigeration oil extraction device according to claim 4, characterized in that: A magnetic sheet is fixedly mounted on the inner ring of the positioning sleeve (10).

6. The refrigeration oil extraction device according to claim 5, characterized in that: The hose (8), the oil pump (5) and the flow meter (6) are interconnected.

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