CN210071052U

CN210071052U - Low-level alarm device for cooling oil tank of hydraulic machine

Info

Publication number: CN210071052U
Application number: CN201920940243.1U
Authority: CN
Inventors: 黄志平; 范强强
Original assignee: NANCHANG JIANGLING GROUP LIANCHENG AUTO PARTS Co Ltd
Current assignee: NANCHANG JIANGLING GROUP LIANCHENG AUTO PARTS Co Ltd
Priority date: 2019-06-21
Filing date: 2019-06-21
Publication date: 2020-02-14
Anticipated expiration: 2029-06-21

Abstract

The utility model belongs to the technical field of liquid level alarm devices, in particular to a low-level alarm device of a cooling oil tank of a hydraulic machine, which comprises an oil tank and a liquid level alarm device, wherein the liquid level alarm device comprises a control box, a flange connecting disc and a probe, the probe is fixedly connected with the control box, the flange connecting disc is fixed on the outer surface of the upper end of the probe, the flange connecting disc is fixed on the upper surface of the oil tank through bolts, the probe is inserted into the oil tank, and a sealing gasket is arranged between the flange connecting disc and the oil tank; the flange connection pad passes through the bolt fastening at the upper surface of oil tank, seals through sealed the pad between flange connection pad and the oil tank simultaneously, and sealed pad is formed by the combination of sealed outer loop, sealed inner ring and sealed zhonghuan simultaneously, and the laminating of sealed outer loop is in the surface of flange connection pad, and the laminating of sealed inner ring is in the internal surface of flange connection pad, and the sealed zhonghuan is installed in the inside of seal groove simultaneously, has increased the sealed area of filling up with flange connection pad contact.

Description

Low-level alarm device for cooling oil tank of hydraulic machine

Technical Field

The utility model belongs to the technical field of liquid level alarm device, concretely relates to hydraulic machine cooling oil tank low level alarm device.

Background

The liquid level alarm device is also called (floating ball liquid level switch, water level controller, liquid level switch), and refers to the problem that the safety performance is low when the traditional liquid level alarm device is used, the sealing degree of the liquid level alarm device and the oil tank is low, the contact surface of the sealing gasket and the flange connection plate is small, and the control box is impacted, and the traditional liquid level alarm device is widely applied to the water treatment, chemical industry, household appliances, machinery and electronic industry because the alarm and the inspection of the water level are carried out by a mechanical or magnetic induction method so that the liquid level is lower than or higher than a set value.

SUMMERY OF THE UTILITY MODEL

For solving the above-mentioned problem that exists among the prior art, the utility model provides a hydraulic press cooling oil tank low level alarm device has liquid level alarm and is connected stably with the oil tank, and flange connection dish is stable with sealed pad contact simultaneously, the characteristics of simultaneous control case anticollision stable performance.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a hydraulic press cooling oil tank low level alarm device, includes oil tank and liquid level alarm, the liquid level alarm includes control box, flange connection dish and probe, probe and control box fixed connection, the surface in the probe upper end is fixed to the flange connection dish, the flange connection dish passes through the upper surface of bolt fastening at the oil tank, just the inside of oil tank is inserted to the probe, install sealed the pad between flange connection dish and the oil tank, sealed pad is including sealed outer loop, sealed inner ring and sealed zhonghuan, the seal groove has been seted up to the lower extreme of flange connection dish, the laminating of sealed outer loop is at the surface of flange connection dish, the laminating of sealed inner ring is at the internal surface of flange connection dish, the inside at the seal groove is installed.

As an optimal technical scheme of the utility model, the externally mounted of control box has the protection casing, the lower extreme of protection casing passes through the fix with screw in flange connection pad's periphery department.

As the utility model discloses a preferred technical scheme, the internally mounted of protection casing has top board, side guide and buffer spring, the top board laminating is on the surface of control box upper end, the side guide laminating is on the control box side surface, buffer spring fixed connection between protection casing and top board and between protection casing and the side guide.

As an optimal technical scheme of the utility model, the top board is circular structure, the side guide is cambered surface shape platelike structure, just the side guide is provided with six altogether.

As an optimal technical scheme of the utility model, sealed outer loop, sealed inner ring and sealed zhonghuan integrated into one piece constitute sealed the pad, sealed inner ring, sealed zhonghuan and sealed outer ring distribute in proper order from inside to outside.

As an optimized technical scheme of the utility model, the height of sealed inner ring, sealed zhonghuan and sealed outer loop increases progressively in proper order.

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

1. the flange connection pad passes through the bolt fastening at the upper surface of oil tank, seal through sealed the pad between flange connection pad and the oil tank simultaneously, sealed pad is formed by the combination of sealed outer loop, sealed inner ring and sealed zhonghuan, the laminating of sealed outer loop is at the surface of flange connection pad, the laminating of sealed inner ring is at the internal surface of flange connection pad, the inside at the seal groove is installed to sealed zhonghuan simultaneously, the area of sealed pad with flange connection pad contact has been increased, the sealed degree of installation between flange connection pad and the oil tank has been improved, increase the inside stability of probe installation in the oil tank.

2. Through the protection casing of control box externally mounted for the protection casing protects the control box through internally mounted's top board, side pressure board and buffer spring, when making the protection casing receive the extrusion and take place deformation, the protection casing passes through extrusion buffer spring, makes buffer spring compress, avoids the control box to receive the striking, has improved the control box and has installed the security in the protection casing inside, has increased the stability that liquid level alarm device used.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

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

FIG. 3 is an enlarged view of the structure at B in FIG. 2;

fig. 4 is a schematic perspective view of the gasket of the present invention;

FIG. 5 is a schematic cross-sectional view taken along line C-C of FIG. 2;

in the figure: 1. an oil tank; 2. a liquid level alarm; 3. a control box; 4. a flange connecting plate; 5. a probe; 6. a gasket; 7. a sealing groove; 8. sealing the outer ring; 9. sealing the inner ring; 10. a sealing middle ring; 11. a protective cover; 12. an upper pressure plate; 13. side pressing plates; 14. a buffer spring.

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.

Examples

Referring to fig. 1-5, the present invention provides the following technical solutions: the utility model provides a hydraulic press cooling oil tank low level alarm device, including oil tank 1 and liquid level alarm 2, liquid level alarm 2 includes control box 3, flange connection dish 4 and probe 5, probe 5 and 3 fixed connection of control box, flange connection dish 4 is fixed at the surface of probe 5 upper end, flange connection dish 4 passes through the upper surface of bolt fastening at oil tank 1, and probe 5 inserts the inside of oil tank 1, install sealed pad 6 between flange connection dish 4 and the oil tank 1, sealed pad 6 includes sealed outer loop 8, sealed inner ring 9 and sealed zhonghuan 10, seal groove 7 has been seted up to the lower extreme of flange connection dish 4, the surface at flange connection dish 4 of 8 laminating of sealed outer loop, the laminating of sealed inner ring 9 is at the internal surface of flange connection dish 4, the inside at seal groove 7 is installed to sealed zho.

In this embodiment, flange connection pad 4 passes through the bolt fastening at the upper surface of oil tank 1, simultaneously seal through sealed pad 6 between flange connection pad 4 and the oil tank 1, sealed pad 6 is formed by sealed outer loop 8, sealed inner ring 9 and the combination of sealed zhonghuan 10 simultaneously, sealed outer loop 8 laminating is at flange connection pad 4's surface, sealed inner ring 9 laminating is at flange connection pad 4's internal surface, sealed zhonghuan 10 is installed in the inside of seal groove 7 simultaneously, the area of sealed pad 6 with flange connection pad 4 contact has been increased, the sealed degree of installation between flange connection pad 4 and oil tank 1 has been improved, increase probe 5 and install the stability in oil tank 1 is inside.

Specifically, a protective cover 11 is mounted outside the control box 3, the lower end of the protective cover 11 is fixed at the outer edge of the flange connection plate 4 through screws, an upper pressure plate 12, a side pressure plate 13 and buffer springs 14 are mounted inside the protective cover 11, the upper pressure plate 12 is attached to the surface of the upper end of the control box 3, the side pressure plate 13 is attached to the side surface of the control box 3, the buffer springs 14 are fixedly connected between the protective cover 11 and the upper pressure plate 12 and between the protective cover 11 and the side pressure plate 13, the upper pressure plate 12 is of a circular structure, the side pressure plate 13 is of an arc-shaped plate-shaped structure, and the number of the side.

In this embodiment, through the protection casing 11 of 3 externally mounted on the control box, make protection casing 11 protect control box 3 through internally mounted's top board 12, side pressure board 13 and buffer spring 14, make protection casing 11 receive the extrusion when taking place deformation, protection casing 11 is through extruding buffer spring 14, make buffer spring 14 compress, avoid control box 3 to receive the striking, improved the security that control box 3 installed in protection casing 11 inside, increased the stability that liquid level alarm device used.

Specifically, the sealing outer ring 8, the sealing inner ring 9 and the sealing middle ring 10 are integrally formed to form the sealing gasket 6, the sealing inner ring 9, the sealing middle ring 10 and the sealing outer ring 8 are sequentially distributed from inside to outside, and the heights of the sealing inner ring 9, the sealing middle ring 10 and the sealing outer ring 8 are sequentially increased.

In this embodiment, the sealing inner ring 9, the sealing middle ring 10 and the sealing outer ring 8 are integrally formed from inside to outside, and the heights of the sealing inner ring 9, the sealing middle ring 10 and the sealing outer ring 8 are sequentially increased, so that the contact area between the sealing gasket 6 and the lower end of the flange connection disc 4 is increased, and the sealing degree between the flange connection disc 4 and the oil tank 1 is improved.

The utility model discloses a theory of operation and use flow: during installation, the sealing gasket 6 is sleeved outside the flange connection disc 4, the sealing outer ring 8 is attached to the outer surface of the flange connection disc 4, the sealing inner ring 9 is attached to the inner surface of the flange connection disc 4, the sealing middle ring 10 is installed inside the sealing groove 7, the probe 5 is inserted into the oil tank 1, the flange connection disc 4 is fixedly connected with the oil tank 1 through bolts, the sealing gasket 6 enables the flange connection disc 4 to be sealed with the oil tank 1, the protection cover 11 is sleeved outside the control box 3, the control box 3 firstly extrudes the side pressure plate 13, the buffer spring 14 between the protection cover 11 and the side pressure plate 13 is deformed, the upper pressure plate 12 is extruded by the control box 3 in the process that the protection cover 11 moves downwards, the buffer spring 14 between the protection cover 11 and the upper pressure plate 12 is compressed, and the lower end of the protection cover 11 is fixed at the edge of the flange connection disc, during the use, detect the liquid level of 1 inside oil tanks through liquid level alarm 2 to carry out the early warning to the minimum liquid level of 1 inside oil tanks.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a hydraulic press cooling oil tank low level alarm device, includes oil tank (1) and liquid level alarm (2), its characterized in that: the liquid level alarm (2) comprises a control box (3), a flange connecting disc (4) and a probe (5), the probe (5) is fixedly connected with the control box (3), the flange connecting disc (4) is fixed on the outer surface of the upper end of the probe (5), the flange connecting disc (4) is fixed on the upper surface of the oil tank (1) through bolts, the probe (5) is inserted into the oil tank (1), a sealing gasket (6) is installed between the flange connecting disc (4) and the oil tank (1), the sealing gasket (6) comprises a sealing outer ring (8), a sealing inner ring (9) and a sealing middle ring (10), a sealing groove (7) is formed in the lower end of the flange connecting disc (4), the sealing outer ring (8) is attached to the outer surface of the flange connecting disc (4), the sealing inner ring (9) is attached to the inner surface of the flange connecting disc (4), the sealing middle ring (10) is arranged in the sealing groove (7).

2. The low-level alarm device for the cooling oil tank of the hydraulic machine as claimed in claim 1, wherein: the outside of control box (3) is installed protection casing (11), the lower extreme of protection casing (11) passes through the fix with screw in the periphery department of flange connection dish (4).

3. The low-level alarm device for the cooling oil tank of the hydraulic machine as claimed in claim 2, wherein: the utility model discloses a protection casing, including protection casing (11), internally mounted have top board (12), side pressure board (13) and buffer spring (14), top board (12) laminating is on the surface of control box (3) upper end, side pressure board (13) laminating is on control box (3) side surface, buffer spring (14) fixed connection between protection casing (11) and top board (12) and between protection casing (11) and side pressure board (13).

4. The low-level alarm device for the cooling oil tank of the hydraulic machine as claimed in claim 3, wherein: the upper pressing plate (12) is of a circular structure, the side pressing plates (13) are of arc-surface-shaped plate structures, and six side pressing plates (13) are arranged.

5. The low-level alarm device for the cooling oil tank of the hydraulic machine as claimed in claim 1, wherein: the sealing gasket is characterized in that the sealing outer ring (8), the sealing inner ring (9) and the sealing middle ring (10) are integrally formed to form the sealing gasket (6), and the sealing inner ring (9), the sealing middle ring (10) and the sealing outer ring (8) are sequentially distributed from inside to outside.

6. The low-level alarm device for the cooling oil tank of the hydraulic machine as claimed in claim 1, wherein: the heights of the sealing inner ring (9), the sealing middle ring (10) and the sealing outer ring (8) are sequentially increased.