Vacuum pump oil tank capable of displaying liquid level

Abstract

The utility model discloses a liquid level display vacuum pump oil tank which comprises an oil tank body, and an oil injection observation structure is installed at the upper end of the oil tank body. The oil injection observation structure comprises a sealing ring installation groove, an oil injection hole, an oil drainage hole, an observation window, a vernier gland and an oil window sealing ring. The utility model relates to the technical field of vacuum pumps, a sealing ring mounting groove, an oil filling hole, an oil drain hole, an observation window, an oil window sealing ring and a vernier gland are arranged on an oil tank main body, the oil filling amount can be visualized, the quality problem of the vacuum pump caused by the oil filling amount is reduced or even avoided, and the problem that the oil filling amount is too low or too high is avoided. An oil window is arranged, so that the oil quantity can be observed when oil is injected into the vacuum pump, and the optimal oil injection quantity can be ensured and maintained.

Description

TECHNICAL FIELD

[0001] The utility model relates to vacuum pump technical field, concretely is a kind of liquid level display vacuum pump oil tank. BACKGROUND

[0002] The existing vacuum pump oil tank can only be roughly estimated by oil window to observe oil quantity, so the oil quantity of the oil tank will have certain influence on the operation of some high-precision equipment, and the vacuum pump is no exception, too high or too low oil quantity will cause the change of vacuum pump operation, too low oil quantity in the oil tank will affect the lubrication of the vacuum pump, and the wear resistance will be increased, in serious case, it can even lead to the deterioration of the limit vacuum of the vacuum pump, too high oil quantity in the oil tank will cause the oil pressure of the vacuum pump to rise and affect the sealing, and too much oil will cause additional burden to the equipment and parts, thereby greatly affecting the normal operation of the vacuum pump, and it will also cause the increase of production and maintenance cost, in view of this, for the above problems, there may be technical means to solve in the prior art, but the present case wants to provide an alternative or replacement technical scheme. SUMMARY

[0003] To achieve the above object, the utility model discloses a kind of liquid level display vacuum pump oil tank, including oil tank body, oil injection observation structure is installed on the upper end of the oil tank body;

[0004] The oil injection observation structure includes: sealing ring mounting groove, oil injection hole, oil discharge hole, observation window, vernier gland and oil window sealing ring;

[0005] The sealing ring mounting groove is provided on the outer side of the rear wall surface of the oil tank body, the oil injection hole is located at the right side of the upper end of the oil tank body, the oil discharge hole is located at the left side of the lower end of the oil tank body, the observation window is provided on the right side of the front wall surface of the oil tank body, the vernier gland is placed at the rear end of the observation window, and the oil window sealing ring is installed on the rear side of the oil tank body and located behind the vernier gland.

[0006] Preferably, the oil window sealing ring is connected to the oil tank body by a plurality of bolts.

[0007] Preferably, a protection assembly is installed on the right side of the front end of the oil tank body, the protection assembly includes: two sliding grooves, two limiting blocks, two closure plates, two operation handles and a tension spring.

[0008] Both the sliding grooves are installed on the right side of the front end of the oil tank body, and are located at the upper end and the lower end of the observation window respectively, both the limiting blocks are installed at the center of both the sliding grooves, both the closure plates are movably embedded in both the sliding grooves at both ends respectively, both the operation handles are installed on the front end of both the closure plates above respectively, and both ends of the tension spring are connected to the front wall surface upper end of both the closure plates respectively.

[0009] Preferably, two said operating handles are installed with operating rods on one side.

[0010] Preferably, two said operating handles are installed on the upper ends of two said closing plates in staggered manner.

[0011] Preferably, two said sliding grooves are both "L" shaped sliding grooves.

[0012] Beneficial effects

[0013] The utility model provides a kind of liquid level display vacuum pump oil tank, with following beneficial effects:

[0014] I, sealing ring installation groove, oil filling hole, oil drain hole, observation window, oil window sealing ring and vernier gland are set on oil tank main body, can change oil filling amount into visualization, reduce even avoid the quality problem of vacuum pump caused by oil filling amount.

[0015] II, avoid as oil filling amount is too low or too high, leading to the lubrication effect of vacuum pump decline, wear resistance becomes big, vacuum pump oil pressure rises, in serious case even lead to vacuum pump limit vacuum variation.

[0016] III, set can be oil window, when filling vacuum pump oil, observe oil amount, to ensure and maintain optimum oil filling amount.

[0017] IV, protective assembly is used to close the front end of observation window, avoid oil stain to cause pollution to vernier gland, leading to misjudgment. DRAWINGS

[0018] Fig. 1 It is the front view three-dimensional structure schematic diagram of the liquid level display vacuum pump oil tank of the utility model.

[0019] Fig. 2 It is the rear view three-dimensional structure schematic diagram of the liquid level display vacuum pump oil tank of the utility model.

[0020] Fig. 3 It is the protective assembly expansion three-dimensional structure schematic diagram of the liquid level display vacuum pump oil tank of the utility model.

[0021] In the drawing: 1, oil tank body, 2, sealing ring installation groove, 3, oil filling hole, 4, oil drain hole, 5, observation window, 6, vernier gland, 7, oil window sealing ring, 8, sliding groove, 9, limit block, 10, closing plate, 11, operating handle, 12, tension spring, 13, operating rod. DETAILED DESCRIPTION

[0022] Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the range of protection of the utility model.

[0023] Embodiment: please refer to Figs. 1-3 The application relates to a liquid level display vacuum pump oil tank which comprises an oil tank body 1, wherein an oil filling and observing structure is arranged at the upper end of the oil tank body 1.

[0024] The oil filling and observing structure comprises a sealing ring mounting groove 2, an oil filling hole 3, an oil discharging hole 4, an observing window 5, a vernier gland 6 and an oil window sealing ring 7.

[0025] The sealing ring mounting groove 2 is arranged on the outer side of the rear wall of the oil tank body 1, the oil filling hole 3 is located at the right side of the upper end of the oil tank body 1, the oil discharging hole 4 is located at the left side of the lower end of the oil tank body 1, the observing window 5 is arranged on the right side of the front wall of the oil tank body 1, the vernier gland 6 is arranged at the rear end of the observing window 5, and the oil window sealing ring 7 is arranged at the rear side of the oil tank body 1 and located behind the vernier gland 6.

[0026] During installation, the vernier gland 6 is first placed behind the observing window 5, then the oil window sealing ring 7 is fixed on the upper end of the oil tank body 1 through bolts to fix the vernier gland 6, then the sealing ring is embedded into the sealing ring mounting groove 2, and the oil tank body 1 is placed on the gear side of the vacuum pump, the oil tank body with the sealing ring is attached to the sealing surface on the outer side of the vacuum pump gear, then the oil tank body 1 is fixed through bolts to ensure the sealing effect of the oil tank body 1 and the vacuum pump, meanwhile, the oil filling hole 3 and the oil discharging hole 4 are matched with the vernier gland 6 to realize the observation of the oil quantity during the oil filling of the vacuum pump, so that the optimal oil filling quantity can be ensured and maintained.

[0027] During the specific implementation process, the oil window sealing ring 7 is connected to the oil tank body 1 through a plurality of bolts.

[0028] During the specific implementation process, a protection assembly is arranged at the right side of the front end of the oil tank body 1, and the protection assembly comprises two sliding grooves 8, two limiting blocks 9, two closing plates 10, two operation handles 11 and a tensile spring 12.

[0029] The two sliding grooves 8 are both arranged at the right side of the front end of the oil tank body 1 and located at the upper end and the lower end of the observing window 5 respectively, the two limiting blocks 9 are both arranged at the centers of the two sliding grooves 8 respectively, the two closing plates 10 are both movably embedded in the two sliding grooves 8 respectively, the two operation handles 11 are both arranged above the front ends of the two closing plates 10 respectively, and the two ends of the tensile spring 12 are both connected to the upper ends of the front walls of the two closing plates 10 respectively.

[0030] In use, through the setting of the tension spring 12, the two closing plates 10 can be located at the center in the two sliding grooves 8, and the front end of the observation window 5 is closed, so as to avoid the pollution of oil dirt to the cursor gland 6, and cause the judgment error, and in observation, through the operation of the two operating levers 13, the two operating handles 11 drive the two closing plates 10 to move outward in the two sliding grooves 8 until the observation window 5 is leaked, and the observation operation can be carried out, when the two operating levers 13 are loosened, under the action of the tension spring 12 between the two closing plates 10, the two closing plates 10 are reset in the two sliding grooves 8, and the two closing plates 10 are limited by the two limiting blocks 9, so that the two closing plates 10 are located at the front end of the observation window 5, and the observation window 5 is closed again.

[0031] In the specific implementation process, the two operating handles 11 are installed with the operating lever 13 on one side.

[0032] In the specific implementation process, the two operating handles 11 are installed on the upper end of the two closing plates 10 in a staggered manner, and the staggered installation is adopted, so that the two operating levers 13 can move in a large amplitude when the closing plate 10 is unfolded, and the opening and closing effect of the closing plate 10 is ensured.

[0033] In the specific implementation process, the two sliding grooves 8 are "L"-shaped sliding grooves 8.

[0034] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A liquid level display vacuum pump oil tank comprising an oil tank body (1), characterized in that, The oil tank body (1) upper end is provided with an oil injection observation structure; The oil injection observation structure comprises a sealing ring mounting groove (2), an oil injection hole (3), an oil discharge hole (4), an observation window (5), a vernier gland (6) and an oil window sealing ring (7); The sealing ring mounting groove (2) is provided on the rear wall surface of the oil tank body (1), the oil injection hole (3) is located on the right side of the upper end of the oil tank body (1), the oil discharge hole (4) is located on the left side of the lower end of the oil tank body (1), the observation window (5) is provided on the right side of the front wall surface of the oil tank body (1), the vernier gland (6) is placed at the rear end of the observation window (5), and the oil window sealing ring (7) is installed on the rear side of the oil tank body (1) and located behind the vernier gland (6).

2. A liquid level indicating vacuum pump oil tank as claimed in claim 1, wherein, The oil window sealing ring (7) is connected to the oil tank body (1) by a plurality of bolts.

3. A liquid level indicating vacuum pump oil tank as claimed in claim 1, wherein, The right side of the front end of the oil tank body (1) is provided with a protection assembly, and the protection assembly comprises two sliding grooves (8), two limiting blocks (9), two sealing plates (10), two operation handles (11) and a tension spring (12). The two sliding grooves (8) are both installed on the right side of the front end of the oil tank body (1) and are respectively located on the upper end and the lower end of the observation window (5), the two limiting blocks (9) are respectively installed at the centers of the two sliding grooves (8), the two sealing plates (10) are respectively movably embedded in the two sliding grooves (8), the two operation handles (11) are respectively installed above the front ends of the two sealing plates (10), and the two ends of the tension spring (12) are respectively connected to the upper ends of the front wall surfaces of the two sealing plates (10).

4. A liquid level indicating vacuum pump oil tank according to claim 3, wherein One side of each of the two operation handles (11) is provided with an operation rod (13).

5. A liquid level indicating vacuum pump oil tank as claimed in claim 3, wherein, The two operation handles (11) are misaligned and installed on the upper ends of the two sealing plates (10).

6. A liquid level indicating vacuum pump oil tank as claimed in claim 3, wherein, The two sliding grooves (8) are both "L"-shaped sliding grooves (8).

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