CN211971755U

CN211971755U - Oil gun of compressor

Info

Publication number: CN211971755U
Application number: CN202020533599.6U
Authority: CN
Inventors: 廖小宁; 孙宇清; 张桂强; 宋国华; 姜崴; 邓翔; 武居敏
Original assignee: Zhejiang Bingfeng Compressor Co ltd
Current assignee: Zhejiang Bingfeng Compressor Co ltd
Priority date: 2020-04-13
Filing date: 2020-04-13
Publication date: 2020-11-20
Anticipated expiration: 2030-04-13

Abstract

The utility model discloses a compressor grease gun, which comprises a grease gun handle, a barrel and a connecting component, wherein the grease gun handle comprises a handle, a grease inlet pipe joint and a barrel joint, and the middle part of the grease gun handle is provided with an oil duct; one end of the gun barrel is a closed end, a plurality of small oil outlet holes are formed in the side wall, close to the closed end, of the gun barrel, a pressing flange is arranged at the other end of the gun barrel, and a sealing ring is arranged between the pressing flange and a gun barrel joint; adapting unit includes gland nut, degree of depth adjusting nut and locking bolt, gland nut and barrel connect threaded connection, the interior week of gland nut is equipped with first boss, the inside second boss that is equipped with of degree of depth adjusting nut, degree of depth adjusting nut cup joint on the barrel and with locking nut threaded connection, the lateral wall of degree of depth adjusting nut is equipped with the screw hole, screw hole female connection has locking bolt, fluid reducing pressure in the barrel, prevent during fluid splash to the breathing pipe, lead to the extravagant and environmental pollution of fluid, but the small hole of producing oil filters impurity, it is clean to keep fluid.

Description

Oil gun of compressor

Technical Field

The utility model relates to a compressor cooling oil filling technical field especially relates to a compressor grease gun.

Background

The prior refrigerator compressor generally adopts a direct filling mode of an oil filling gun, and a barrel of the prior oil filling gun generally has a bent structure and cannot be completely inserted into the compressor, so that oil is sprayed out along an oil filling pipe to pollute the ground; after a barrel of the grease gun is inserted into a grease pipe, the grease gun is opened, oil can enter the interior of a compressor along the grease pipe, the oil pressure of the traditional grease gun is large, the flow velocity of the oil is high, the oil impacts an inner motor stator core after entering the compressor, the oil is sputtered in the interior of the compressor, the sputtered oil can be sprayed out of an air suction pipe, and the waste of the oil and the environmental pollution are caused; the oil gun caliber is generally large, so that some impurities in oil enter the compressor in the oil injection process, and the reliability and the service life of the compressor are influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a compressor grease gun to the shortcoming of above-mentioned prior art.

In order to solve the above problems, the utility model adopts the following technical proposal:

a compressor grease gun comprises a grease gun handle, a barrel and a connecting part, wherein the grease gun handle comprises a handle, and an oil inlet pipe joint and a barrel joint which are fixedly arranged at two ends of the handle; one end of the gun barrel is a closed end, a plurality of small oil outlet holes are formed in the side wall, close to the closed end, of the gun barrel, the included angle between the axis of each small oil outlet hole and the axis of the gun barrel is alpha, alpha is larger than or equal to 60 degrees and smaller than or equal to 120 degrees, the diameter of each small oil outlet hole is 0.5mm-1mm, the distribution angle beta of each small oil outlet hole on the gun barrel is 150 degrees, a pressing flange is arranged at the other end of the gun barrel, the outer diameter of each pressing flange is equal to that of a gun barrel joint, and a sealing ring is; the connecting part comprises a compression nut and a depth adjusting nut, the compression nut is provided with an internal thread and an external thread, the inner diameter of the compression nut is equal to the outer diameter of the compression flange, the inner periphery of one side of the compression nut, which is far away from the barrel joint, is provided with a first boss, the diameter of the hole surrounded by the first boss is equal to the outer diameter of the gun barrel, the compression nut is sleeved on the gun barrel, the compression nut is in threaded connection with the gun barrel joint, the depth adjusting nut is provided with internal threads, the inner diameter of the depth adjusting nut is equal to the outer diameter of the compression nut, the inner circumference of one side of the depth adjusting nut, which is far away from the gun barrel joint, is provided with a second boss, the aperture surrounded by the second boss is equal to the outer diameter of the gun barrel, the depth adjusting nut is sleeved on the gun barrel and is in threaded connection with the locking nut, a threaded hole is formed in the side wall of the depth adjusting nut, and a locking bolt is connected in the threaded hole in a threaded manner.

Furthermore, the side wall of the handle is provided with a first plane.

Furthermore, the included angle between the axis of the oil outlet small hole and the axis of the gun barrel is 120 degrees.

Further, the diameter of the oil outlet small hole is 0.75 mm.

Furthermore, the oil outlet small holes can be distributed in a side-by-side manner or in a staggered manner.

Furthermore, two second planes are symmetrically arranged on the outer side of the compression nut and used for providing compression planes for the wrench during screwing and loosening.

Furthermore, the lateral wall of the depth adjusting nut is provided with a third plane, and the threaded hole is formed in the third plane.

Furthermore, one end of the second boss, which is far away from the barrel joint, extends out of the depth adjusting nut.

Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:

the barrel of the oil injection gun is of a straight pipe structure, can be completely inserted into a compressor, and cannot be sprayed out along the oil injection pipe, so that the ground can be kept clean; the insertion depth can be adjusted through the depth adjusting nut, so that the device is suitable for compressors of different specifications; the direction of the oil filling small hole is adjusted to the direction deviating from the air suction pipe, so that the oil is prevented from being sprayed out of the air suction pipe; refuel the impurity in the aperture filterable fluid, prevent that impurity from getting into the compressor through the oiling process inside, the stability and the life of reinforcing compressor.

Drawings

FIG. 1 is a schematic view of a conventional grease gun of the present invention;

FIG. 2 is a schematic view of the grease gun of the present invention inserted into a compressor for grease injection;

FIG. 3 is an exploded view of the grease gun of the present invention;

FIG. 4 is a schematic view of the grease gun of the present invention;

fig. 5 is a vertical cross-sectional view of the compression nut of the present invention;

FIG. 6 is a vertical cross-sectional view of the depth adjustment nut of the present invention;

fig. 7 is a schematic perspective view of the barrel of the present invention;

fig. 8 is a vertical cross-sectional view of the barrel of the present invention;

fig. 9 is a horizontal cross-sectional view of the barrel of the present invention.

In the figure: 1 is a handle of an oil gun, 2 is a barrel, 3 is a handle, 4 is a connector of an oil inlet pipe, 5 is a barrel connector, 6 is an oil channel, 7 is a first plane, 8 is a pressing flange, 9 is a sealing ring, 10 is an oil outlet small hole, 11 is a pressing nut, 12 is a depth adjusting nut, 13 is a locking bolt, 14 is a first boss, 15 is a second plane, 16 is a second boss, 17 is a threaded hole, 18 is a third plane, 19 is an air suction pipe,

20 is a compressor lower shell, 21 is a motor stator core, and 22 is an oil filling pipe.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1-9, a compressor grease gun comprises a grease gun handle 1, a barrel 2 and a connecting component, wherein the grease gun handle 1 comprises a grip 3, and an oil inlet pipe joint 4 and a barrel joint 5 which are fixedly arranged at two ends of the grip 3, the grip 3 is of a cylindrical structure, external threads are arranged on the periphery of the barrel joint 5, and an oil duct 6 for communicating the oil inlet pipe joint 4 and the barrel joint 5 is arranged in the middle of the grease gun handle 1; one end of the gun barrel 2 is a closed end, a plurality of small oil outlet holes 10 are formed in the side wall, close to the closed end, of the gun barrel 2, the included angle between the axis of each small oil outlet hole 10 and the axis of the gun barrel 2 is alpha, alpha is larger than or equal to 60 degrees and smaller than or equal to 120 degrees, the diameter of each small oil outlet hole 10 is 0.5mm-1mm, the distribution angle beta of each small oil outlet hole 10 on the gun barrel 2 is 150 degrees, a pressing flange 8 is arranged at the other end of the gun barrel 2, the outer diameter of each pressing flange 8 is equal to that of each gun barrel joint 5, and a sealing ring 9 is arranged between each pressing; the connecting part comprises a compression nut 11 and a depth adjusting nut 12, the compression nut 11 is provided with internal threads and external threads, the internal diameter of the compression nut 11 is equal to the external diameter of a compression flange 8, the inner periphery of one side, far away from a barrel joint 5, of the compression nut 11 is provided with a first boss 14, the aperture surrounded by the first boss 14 is equal to the external diameter of a barrel 2, the compression nut 11 is sleeved on the barrel 2, the compression nut 11 is in threaded connection with the barrel joint 5, when the compression nut 11 is screwed down, the end face of the first boss 14 is abutted against the end face of the compression flange 8, so that the barrel joint 5 and the barrel 2 are tightly combined together, a sealing ring 9 arranged between the barrel joint 5 and the barrel 2 can prevent oil leakage, the depth adjusting nut 12 is provided with internal threads, the internal diameter of the depth adjusting nut 12 is equal to the external diameter of the compression nut 11, the inner periphery of one side, far away from the joint 5, the aperture that second boss 16 encloses equals the external diameter of barrel 2, degree of depth adjusting nut 12 cup joints on barrel 2 and with lock nut 11 threaded connection, the lateral wall of degree of depth adjusting nut 12 is equipped with screw hole 17, screw hole 17 female connection has lock bolt 13, adjusts the screw in degree of depth adjusting nut 12, the length of the part that steerable barrel 2 exposes, when adjusting to required position, lock bolt 13 twists in screw hole 17, until lock bolt 13's screw post tip and gland nut 11 butt, degree of depth adjusting nut 12 fixed and no longer remove this moment.

Further, a first plane 7 is arranged on the side wall of the handle 3.

Further, the included angle between the axis of the small oil outlet hole 10 and the axis of the gun barrel 2 is 120 degrees.

Further, the diameter of the oil outlet small hole 10 is 0.75 mm.

Further, the oil outlet holes 10 may be distributed side by side or in a staggered manner.

Furthermore, two second planes 15 are symmetrically arranged on the outer side of the compression nut 11, the first plane 7 is used as a reference, the first plane 7 faces to the right upper side, then the gun barrel 2 is adjusted, the oil outlet small hole 10 faces to the direction away from the air suction pipe 19, then the compression nut 11 is screwed, and the relative positions of the gun barrel 2 and the handle 3 are fixed.

Further, according to the length of compressor oiling pipe 22 and the size of compressor cavity structure space, adjust the screw in degree of depth adjusting nut 12 to confirm the size of barrel 2 exposure size, the one end that second boss 16 kept away from barrel joint 5 extends degree of depth adjusting nut 12, with a terminal surface and the one end butt of oiling pipe 22 of second boss 16, barrel 2 inserts inside reaching the compressor in oiling pipe 22, makes the close end of barrel 2 close to motor stator core 21 but not butt, after confirming needs the size, with locking bolt 13 screw in screw hole 17, until locking bolt 13 and gland nut 11 lateral wall butt, make degree of depth adjusting nut 12 fixed.

Furthermore, the side wall of the depth adjusting nut 12 is provided with a third plane 18, the threaded hole 17 is arranged on the third plane 18, the end of the threaded column of the locking bolt 13 abuts against the side wall of the compression nut 11, and one end of the bolt head abuts against the third plane 18, so that the depth adjusting nut 12 and the compression nut 11 can be fixed together, and mutual rotation between the two can be prevented.

The use process comprises the following steps: will adjust the grease gun with advance oil pipe and be connected, stretch into in the compressor grease pipe 22 with barrel 2, motor stator core 21 in the adjacent compressor of blind end of barrel 2 is but not the butt, adjust first plane 7 directly over to the orientation, then oil outlet aperture 10 orientation deviates from the direction of breathing pipe 19, open into oil pipe, fluid follows oil duct 6 and gets into in barrel 2, high pressure fluid strikes the blind end of barrel 2, can cushion partly pressure, fluid is again from oil outlet aperture 10 blowout, become vaporific liquid, the impact force reduces, and oil outlet aperture 10 deviates from 19 directions of breathing pipe, fluid can not follow the 19 punishment of sputtering breathing pipe and is sucked, the waste of fluid reducible, prevent that fluid from getting into the air and causing environmental pollution.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims

1. A compressor grease gun comprises a grease gun handle (1), a barrel (2) and a connecting part, and is characterized in that the grease gun handle (1) comprises a grip (3), and a grease inlet pipe joint (4) and a barrel joint (5) which are fixedly arranged at two ends of the grip (3), the grip (3) is of a cylindrical structure, external threads are arranged on the periphery of the barrel joint (5), and an oil duct (6) communicated with the grease inlet pipe joint (4) and the barrel joint (5) is arranged in the middle of the grease gun handle (1); one end of the gun barrel (2) is a closed end, a plurality of small oil outlet holes (10) are formed in the side wall, close to the closed end, of the gun barrel (2), the included angle between the axis of each small oil outlet hole (10) and the axis of the gun barrel (2) is alpha, alpha is more than or equal to 60 degrees and less than or equal to 120 degrees, the diameter of each small oil outlet hole (10) is 0.5mm-1mm, the distribution angle beta of each small oil outlet hole (10) on the gun barrel (2) is 150 degrees, a compression flange (8) is arranged at the other end of the gun barrel (2), the outer diameter of each compression flange (8) is equal to that of each gun barrel joint (5), and a sealing ring (9) is arranged between each compression flange (8); the connecting part comprises a compression nut (11) and a depth adjusting nut (12), the compression nut (11) is provided with internal threads and external threads, the inner diameter of the compression nut (11) is equal to the outer diameter of a compression flange (8), the inner periphery of one side, far away from a barrel joint (5), of the compression nut (11) is provided with a first boss (14), the aperture surrounded by the first boss (14) is equal to the outer diameter of a barrel (2), the compression nut (11) is sleeved on the barrel (2), the compression nut (11) is in threaded connection with the barrel joint (5), the depth adjusting nut (12) is provided with internal threads, the inner diameter of the depth adjusting nut (12) is equal to the outer diameter of the compression nut (11), the inner periphery of one side, far away from the barrel joint (5), of the depth adjusting nut (12) is provided with a second boss (16), the aperture surrounded by the second boss (16) is equal to the outer diameter of the barrel (2), the gun barrel is characterized in that the depth adjusting nut (12) is sleeved on the gun barrel (2) and is in threaded connection with the compression nut (11), a threaded hole (17) is formed in the side wall of the depth adjusting nut (12), and a locking bolt (13) is connected to the threaded hole (17) in an internal thread mode.

2. Compressor grease gun according to claim 1, characterised in that the side wall of the grip (3) is provided with a first plane (7).

3. Compressor grease gun according to claim 1, characterised in that the axis of the oil outlet aperture (10) is at an angle of 120 ° to the axis of the barrel (2).

4. Compressor grease gun according to claim 1, characterized in that the diameter of the oil outlet aperture (10) is 0.75 mm.

5. Compressor grease gun as claimed in claim 1, characterized in that the oil outlet apertures (10) can be arranged side by side or staggered.

6. Compressor grease gun according to claim 1, characterised in that the compression nut (11) is provided with two second flat surfaces (15) symmetrically on the outside.

7. Compressor grease gun according to claim 1, characterized in that the side wall of the depth adjustment nut (12) is provided with a third plane (18), the threaded hole (17) being provided in the third plane (18).

8. The compressor grease gun of claim 1 wherein the end of the second boss (16) remote from the barrel fitting (5) extends out of the depth adjustment nut (12).