CN211315053U - Oil injection port of compressor gearbox - Google Patents

Abstract

The utility model relates to a relevant technical field of compressor specifically is a compressor gearbox oil filler point, including the gearbox, the surperficial joint of gearbox has the outer sealing cover, and the inside of gearbox is equipped with the constant head tank, and the inside spiro union of outer sealing cover has the inner sealing lid, and the inner sealing lid spiro union is in the inside of gearbox, and the inner wall welding of gearbox has the division board, and the skin weld of division board has the installation pole, and the sliding surface of installation pole is connected with the slider, and beneficial effect is: the slider slides on the surface of installation pole through location slider and location spout, at the in-process to the gearbox in oiling, and oil enters into the inboard of division board, and the liquid level in the gearbox rises and makes the slider float to the upper end, observes the oiling condition through the observation board on gearbox and the external seal cover this moment, guarantees the quality to the gearbox in oiling, can observe the quantity of gearbox oil simultaneously, simple structure, excellent in use effect is fit for promoting.

Description

Oil injection port of compressor gearbox

Technical Field

The utility model relates to a relevant technical field of compressor specifically is a compressor gearbox oiling mouth.

Background

The compressor is a driven fluid machine for lifting low-pressure gas into high-pressure gas, is the heart of a refrigeration system, sucks low-temperature low-pressure refrigerant gas from an air suction pipe, drives a piston to compress the refrigerant gas through the operation of a motor, discharges the high-temperature high-pressure refrigerant gas to an exhaust pipe, provides power for a refrigeration cycle, and controls the operation of the compressor through a gearbox.

In the prior art, before the gearbox is used, oil is required to be injected into the gearbox through an oil injection port, a sealing cover is generally screwed on the surface of the oil injection port, the sealing performance is poor due to the single screwed sealing mode, oil is easy to overflow in the using process, and meanwhile, external pollutants are easy to enter the inside of the oil injection port to influence the use quality of the gearbox; and general user of service can't see the inside of gearbox outside the gearbox, at the in-process of oiling in the gearbox, the total amount of observing the oiling that can not be clear can only observe through the oiling mouth, influences the efficiency of oiling, leads to the oil of pouring into easily excessively and spills over, and the result of use is relatively poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a compressor gearbox oiling mouth to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an oil filling port of a gearbox of a compressor comprises a gearbox, wherein an outer sealing cover is clamped on the surface of the gearbox, a positioning groove is formed in the gearbox, the outer sealing cover is butted in the positioning groove, an elastic snap ring is welded on the surface of the outer sealing cover, a clamping groove is arranged in the gearbox, the elastic snap ring is clamped in the clamping groove, an inner sealing cover is screwed in the outer sealing cover, the inner sealing cover is screwed in the gearbox, the inner wall of the gearbox is welded with a partition plate, the surface of the partition plate is welded with a mounting rod, the surface of the mounting rod is connected with a floating block in a sliding way, the inner wall of the floating block is welded with a positioning slide block, a positioning chute is arranged inside the mounting rod, the positioning sliding block is connected inside the positioning sliding groove in a sliding mode, the surface of the gearbox is connected with an outer sealing cover in a threaded mode, and the gearbox and the outer sealing cover are both bonded with observation plates.

Preferably, the outer sealing cover is clamped inside an oil injection port on the gearbox and consists of a group of T-shaped discs and a group of positioning rings, the positioning rings are welded on the lower surfaces of the horizontal parts of the T-shaped discs, and the positioning rings are in butt joint with the inside of the positioning grooves.

Preferably, the elastic snap ring is of an isosceles trapezoid elastic annular structure, the inner wall of the elastic snap ring is welded on the surface of the vertical part of the T-shaped disc on the outer sealing cover, and the surface of the elastic snap ring is clamped in the clamping groove.

Preferably, the inside of "T" shape dish is equipped with the adjustment tank on the external seal lid, and the internal seal lid comprises a set of threaded rod and a set of ring, and the ring welding is on the upper surface of threaded rod, and the threaded rod spiro union is in the inside of adjustment tank, and the inside of oiling mouth is equipped with the thread groove, and the threaded rod spiro union is in the inside of thread groove.

Preferably, the division board is "L" shaped plate column structure, and the horizontal part welding of division board is at the side inner wall of gearbox, and the vertical part of division board does not contact with the lower inner wall of gearbox, and the installation pole welding is at the horizontal part lower surface of division board, and the lower surface of installation pole does not contact with the lower inner wall of gearbox, and slider sliding connection is between the vertical part of division board and the side inner wall of gearbox.

Preferably, the slider is the ring annular structure, and location slider all is provided with the multiunit with the location spout, and multiunit location slider welds the inner wall at the installation pole, and the installation pole passes through location slider and location spout sliding connection on the surface of slider, and the external seal cover spiro union is in the side surface of gearbox, and the observation board sets up the outer end at the installation pole.

Compared with the prior art, the beneficial effects of the utility model are that:

1. when oil is filled into the gearbox, the inner sealing cover is screwed to separate from the oil filling port, the outer sealing cover is pulled towards the outer end, the oil filling port can be opened, oil can be filled into the gearbox at the moment, the operation is simple, after the oil filling is completed, the outer sealing cover is butted on the surface of the oil filling port, pollutants are prevented from entering the oil filling port through the outer sealing cover, due to the elastic action of the elastic clamping ring, the oil filling port forms a closed structure, the oil is prevented from overflowing, then the inner sealing cover is screwed to enable the inner sealing cover to be screwed into the oil filling port, a secondary sealing structure is formed, the multiple sealing structure is arranged, the sealing performance is better, and the use quality of the gearbox is ensured;

2. the slider slides on the surface of installation pole through location slider and location spout, at the in-process to the gearbox in oiling, and oil enters into the inboard of division board, and the liquid level in the gearbox rises and makes the slider float to the upper end, observes the oiling condition through the observation board on gearbox and the external seal cover this moment, guarantees the quality to the gearbox in oiling, can observe the quantity of gearbox oil simultaneously, simple structure, excellent in use effect is fit for promoting.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

FIG. 3 is a schematic view of the connection structure of the outer sealing cover and the inner sealing cover of the present invention;

FIG. 4 is a schematic view of the connecting structure of the mounting rod and the floating block of the present invention;

fig. 5 is an explosion structure diagram of the gearbox and the outer sealing cover of the present invention.

In the figure: the device comprises a gearbox 1, an outer sealing cover 2, a positioning groove 3, an elastic clamping ring 4, a clamping groove 5, an inner sealing cover 6, a partition plate 7, an installation rod 8, a floating block 9, a positioning sliding block 10, a positioning sliding groove 11, an outer sealing cover 12 and an observation plate 13.

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 to 5, the present invention provides a technical solution: the utility model provides a compressor gearbox oil filler point, including gearbox 1, the surface joint of gearbox 1 has outer sealed lid 2, the inside of gearbox 1 is equipped with constant head tank 3, outer sealed lid 2 docks in the inside of constant head tank 3, outer sealed lid 2 joint is in the inside of the oil filler point on gearbox 1, outer sealed lid 2 comprises a set of "T" shape dish and a set of holding ring, the holding ring welds the lower surface at "T" shape dish horizontal part, the holding ring docks in the inside of constant head tank 3, when sealing the oil filler point, the holding ring extrusion on outer sealed lid 2 is in the inside of constant head tank 3, the holding ring sets up the outer end at snap ring 4 and inner sealed lid 6, avoid external pollutant to enter the inside of oil filler point, and then guarantee the use quality of gearbox 1;

referring to fig. 2 and 3, an elastic snap ring 4 is welded on the surface of an outer sealing cover 2, a clamping groove 5 is formed in a gearbox 1, the elastic snap ring 4 is clamped in the clamping groove 5, the elastic snap ring 4 is of an isosceles trapezoid elastic annular structure, the inner wall of the elastic snap ring 4 is welded on the vertical part surface of a T-shaped disc on the outer sealing cover 2, the surface of the elastic snap ring 4 is clamped in the clamping groove 5, when an oil filling opening is sealed, the outer sealing cover 2 is butted in the oil filling opening, due to the elastic action of the elastic snap ring 4, the elastic snap ring 4 is extruded on the inner wall of the oil filling opening and is finally clamped in the clamping groove 5, and preliminary sealing of the oil filling opening is completed;

referring to fig. 2 and 3, an inner sealing cover 6 is screwed in the outer sealing cover 2, the inner sealing cover 6 is screwed in the gearbox 1, an adjusting groove is formed in a T-shaped disc on the outer sealing cover 2, the inner sealing cover 6 is composed of a group of threaded rods and a group of rings, the rings are welded on the upper surface of the threaded rods, the threaded rods are screwed in the adjusting groove, a threaded groove is formed in the oil filling port, the threaded rods are screwed in the threaded groove, after primary sealing of the oil filling port is completed, the inner sealing cover 6 is rotated through the adjusting groove, the inner sealing cover 6 is screwed in the inner wall of the oil filling port, secondary sealing of the oil filling port is completed, and oil in the gearbox 1 is prevented from overflowing;

referring to fig. 1 and 4, a partition plate 7 is welded on the inner wall of a gearbox 1, a mounting rod 8 is welded on the surface of the partition plate 7, a floating block 9 is connected on the surface of the mounting rod 8 in a sliding manner, the partition plate 7 is in an L-shaped plate structure, the horizontal part of the partition plate 7 is welded on the side inner wall of the gearbox 1, the vertical part of the partition plate 7 is not in contact with the lower inner wall of the gearbox 1, the mounting rod 8 is welded on the lower surface of the horizontal part of the partition plate 7, the lower surface of the mounting rod 8 is not in contact with the lower inner wall of the gearbox 1, the floating block 9 is connected between the vertical part of the partition plate 7 and the side inner wall of the gearbox 1 in a sliding manner, in the process of injecting oil into the gearbox 1, when the liquid level in the gearbox 1 rises, the mounting rod 8 slides to the upper end on the, the structure is simple, and oil can be conveniently filled into the gearbox 1;

referring to fig. 4 and 5, a positioning slider 10 is welded on the inner wall of a floating block 9, a positioning chute 11 is arranged inside a mounting rod 8, the positioning slider 10 is slidably connected inside the positioning chute 11, an outer seal cover 12 is screwed on the surface of a gearbox 1, observation plates 13 are respectively bonded inside the gearbox 1 and the outer seal cover 12, the floating block 9 is in a circular ring structure, a plurality of groups of positioning sliders 10 and positioning chutes 11 are respectively arranged, the plurality of groups of positioning sliders 10 are welded on the inner wall of the mounting rod 8, the mounting rod 8 is slidably connected on the surface of the floating block 9 through the positioning sliders 10 and the positioning chute 11, the outer seal cover 12 is screwed on the side surface of the gearbox 1, the observation plates 13 are arranged at the outer end of the mounting rod 8, in the process of injecting oil into the gearbox 1, the inside of the gearbox 1 is observed through the observation plates 13 on the gearbox 1 and the outer seal cover 12, so, the oiling quality is guaranteed, the oil consumption can be observed, and the use quality of the gearbox 1 is guaranteed.

The working principle is as follows: when oil needs to be injected into the gearbox 1, the inner sealing cover 6 is screwed through the adjusting groove, the inner sealing cover 6 rotates in the gearbox 1 and the outer sealing cover 2 and is separated from an oil injection port, after the inner sealing cover 6 enters the outer sealing cover 2, the outer sealing cover 2 can be taken down by pulling the outer sealing cover 2 outwards due to the elastic action of the elastic snap ring 4, oil can be injected into the oil injection port at the moment, the oil enters the gearbox 1 through the oil injection port, part of the oil enters the inner side of the partition plate 7 through the oil injection port, the liquid level of the oil in the inner side of the partition plate 7 slowly rises, the floating block 9 slides on the surface of the mounting rod 8 through the positioning slide block 10 and the positioning slide groove 11, after the liquid level of the oil rises, the floating block 9 rises towards the upper end along with the oil injection port, the rising position of the floating block 9 is observed through the observation plate 13 on the gearbox 1 and the outer sealing cover 12, and the total, avoid the overflow of oil when oiling to the gearbox 1, guarantee the oiling quality, simultaneously can observe the oil consumption, in time to the inside oiling of gearbox 1, guarantee the normal use of gearbox 1, after finishing oiling to the gearbox 1, dock the inside of constant head tank 3 with outside sealed lid 2, protect the oiling mouth through outside sealed lid 2, avoid pollutant etc. to enter the inside of oiling mouth, guarantee the use quality of gearbox 1, because of the elastic action of elastic snap ring 4, elastic snap ring 4 joint is in the inside of joint groove 5, make the oiling mouth form seal structure, guarantee the seal of gearbox 1, avoid oil to overflow, then to the inside end screw thread inside sealed lid 6, make inside sealed lid 6 spiro union in the inner wall of oiling mouth, form secondary seal structure, multiple seal structure's setting, the seal of gearbox 1 has been guaranteed, excellent in use effect, is suitable for popularization.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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 (6)

1. The utility model provides a compressor gearbox oiling mouth, includes gearbox (1), its characterized in that: the surface of the gearbox (1) is clamped with an outer sealing cover (2), a positioning groove (3) is arranged in the gearbox (1), the outer sealing cover (2) is in butt joint with the positioning groove (3), an elastic snap ring (4) is welded on the surface of the outer sealing cover (2), a clamping groove (5) is arranged in the gearbox (1), the elastic snap ring (4) is in clamping connection with the inside of the clamping groove (5), an inner sealing cover (6) is in threaded connection with the inside of the outer sealing cover (2), the inner sealing cover (6) is in threaded connection with the inside of the gearbox (1), a partition plate (7) is welded on the inner wall of the gearbox (1), an installation rod (8) is welded on the surface of the partition plate (7), a floating block (9) is connected on the surface of the installation rod (8) in a sliding manner, a positioning slide block (10) is welded on the inner wall of the floating block (9), a positioning slide groove, the positioning slide block (10) is connected inside the positioning slide groove (11) in a sliding mode, an outer sealing cover (12) is connected to the surface of the gearbox (1) in a threaded mode, and an observation plate (13) is bonded inside the gearbox (1) and the outer sealing cover (12).

2. The compressor gearbox oil filler point of claim 1, wherein: the outer sealing cover (2) is clamped inside an oil injection port on the gearbox (1), the outer sealing cover (2) is composed of a group of T-shaped discs and a group of positioning rings, the positioning rings are welded on the lower surfaces of the horizontal parts of the T-shaped discs, and the positioning rings are butted inside the positioning grooves (3).

3. The compressor gearbox oil filler point of claim 1, wherein: the elastic clamping ring (4) is of an isosceles trapezoid elastic annular structure, the inner wall of the elastic clamping ring (4) is welded on the surface of the vertical part of the T-shaped disc on the outer sealing cover (2), and the surface of the elastic clamping ring (4) is clamped inside the clamping groove (5).

4. The compressor gearbox oil filler point of claim 1, wherein: the inside of "T" shape dish is equipped with the adjustment tank on outer seal lid (2), and inner seal lid (6) comprises a set of threaded rod and a set of ring, and the ring welding is at the upper surface of threaded rod, and the threaded rod spiro union is in the inside of adjustment tank, and the inside of oiling mouth is equipped with the thread groove, and the threaded rod spiro union is in the inside of thread groove.

5. The compressor gearbox oil filler point of claim 1, wherein: the split plate (7) is of an L-shaped plate structure, the horizontal part of the split plate (7) is welded on the inner side wall of the gearbox (1), the vertical part of the split plate (7) is not in contact with the lower inner wall of the gearbox (1), the mounting rod (8) is welded on the lower surface of the horizontal part of the split plate (7), the lower surface of the mounting rod (8) is not in contact with the lower inner wall of the gearbox (1), and the floating block (9) is slidably connected between the vertical part of the split plate (7) and the inner side wall of the gearbox (1).

6. The compressor gearbox oil filler point of claim 1, wherein: slider (9) are the ring structure, and location slider (10) all are provided with the multiunit with location spout (11), and multiunit location slider (10) welding is at the inner wall of installation pole (8), and installation pole (8) are through location slider (10) and location spout (11) sliding connection on the surface of slider (9), and outer sealed cowling (12) spiro union is in the side surface of gearbox (1), and observation board (13) set up the outer end at installation pole (8).

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