CN215298988U

CN215298988U - Fixed observation window device

Info

Publication number: CN215298988U
Application number: CN202121195173.5U
Authority: CN
Inventors: 宋月贵; 杨菊福
Original assignee: Hefei Xinsikai Cnc Technology Co ltd
Current assignee: Hefei Xinsikai Cnc Technology Co ltd
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2021-12-24
Anticipated expiration: 2031-05-31

Abstract

The utility model discloses a fixed observation window device, which comprises a nut body, wherein the lower end surface of the nut body is provided with a lower groove, and the lower end of the lower groove is fixedly provided with a stud; an upper groove is formed in the upper end face of the nut body, and a transparent cover block is fixedly mounted at the upper end of the upper groove; the inner wall of double-screw bolt is provided with the seal groove, the inside fixed mounting of seal groove has the sealing washer, the inner wall fixedly connected with lens of sealing washer. A fixed observation window device, can be convenient to the mineral oil colour and the state of storing in equipment such as transformer tank inspect, improved the efficiency of constructor in maintenance work to a certain extent, bring better use prospect.

Description

Fixed observation window device

Technical Field

The utility model belongs to the technical field of the transformer is relevant, in particular to fixed observation window device.

Background

The transformer oil tank needs to be filled with oil, but the oil in the oil conservator of the transformer cannot be filled too full, the oil tank is connected with the oil conservator through a pipeline, when the oil in the oil tank is short, the oil in the oil conservator flows down along the pipeline and is supplemented into the oil tank, so that the oil conservator is kept in a full oil state, and meanwhile, when the load of the transformer is increased, the oil temperature is increased, the transformer oil expands, and the oil cannot be filled in the oil tank, the oil can flow up along the pipeline and flows back into the oil conservator.

At the in-process of transformer daily use, the staff need often observe the detection to the mineral oil color state in the transformer tank, just at this moment just need dismantle the outer coupling nut of oil tank earlier, then observe the mineral oil of inside with the oil tank cap dismantlement back, do so and need consume a large amount of manpower and materials, lead to work efficiency lower.

Disclosure of Invention

The problem that the daily detection work of mineral oil in the transformer oil tank of above-mentioned staff is more loaded down with trivial details, wastes time and energy, influences staff work efficiency is solved.

The utility model provides a fixed observation window device, which comprises a nut body, wherein the lower end surface of the nut body is provided with a lower groove, and the lower end of the lower groove is fixedly provided with a stud; an upper groove is formed in the upper end face of the nut body, and a transparent cover block is fixedly mounted at the upper end of the upper groove; the inner wall of double-screw bolt is provided with the seal groove, the inside fixed mounting of seal groove has the sealing washer, the inner wall fixedly connected with lens of sealing washer.

Preferably, the depth of the upper groove is the same as the thickness of the transparent cover block and is 15-20 mm, the transparent cover block is made of glass, the lower end of the lower groove is fixedly welded with the stud, and a certain dustproof protection effect can be achieved through the arrangement of the transparent cover block.

Preferably, the outer wall of the stud is provided with threads, and the threads can enhance the tightness of connection between the stud and equipment such as a transformer oil tank.

Preferably, the seal groove is arranged in the middle of the stud, the height of the seal groove is 35-40 mm, and the inner depth is 20-35 mm.

Preferably, the height and the thickness of sealing washer are the same with the height and the degree of depth of seal groove, wherein, the type of sealing washer is PU polyurethane rubber sealing washer, and the sealing washer can improve the frictional force of being connected with lens, guarantees the degree of stability after the installation.

Preferably, the nut body is a hexagon nut, and the nut body is made of titanium alloy, so that the service life of the device is prolonged.

Preferably, the depth of the lower groove is 25-30 mm.

Preferably, the diameter of the inner groove of the nut body is the same as that of the inner groove of the stud.

Preferably, the thickness of the lens is 20-30 mm, and the lens is made of toughened glass.

Compared with the prior art, the utility model provides a fixed observation window device possesses following beneficial effect:

this fixed observation window device at first fixes the double-screw bolt at the lower terminal surface of nut body through the low groove, then, welds the connection kneck of nut body and screw bolt, and the firmness of being connected between can effectual improvement nut body and the double-screw bolt has guaranteed the holistic life of device, then installs transparent cover block on the upper groove, can play certain dustproof guard action to can observe nut body inside through transparent cover block.

This fixed observation window device is provided with the seal groove at first in the middle part of double-screw bolt, then, with the inside of sealing washer fixed mounting at the seal groove, then install lens at the inner wall of sealing washer, the sealing washer can effectual reinforcing lens stability after the installation to guaranteed the degree of tightness of installation back lens lower extreme space, effectively reduced the interior mineral oil of oil tank and taken place the condition such as leakage that volatilizees, the setting that sees through lens at last can survey the mineral oil in the oil tank.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 shows a schematic structural view of a fixed observation window arrangement according to an embodiment of the present invention;

fig. 2 shows a front view of a fixed viewing window arrangement according to an embodiment of the present invention;

fig. 3 illustrates a bottom view of a fixed viewing window arrangement according to an embodiment of the present invention;

fig. 4 shows a top view of a fixed viewing window arrangement according to an embodiment of the invention.

In the figure: 1. a nut body; 2. a transparent cover block; 3. a lower groove; 4. a stud; 5. a sealing groove; 6. a seal ring; 7. a lens; 8. a thread; 9. and (4) an upper groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. 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.

In the in-process of transformer daily use, the staff needs often observe the detection to the mineral oil colour state in the transformer tank, in order to better maintain it, but among the prior art, when the staff observes the inside oil of transformer tank, must disassemble the part of part, just can observe, the time cost greatly increased who leads to maintaining, work efficiency is reduced, when the part that frequently disassembles simultaneously need install home position, just hardly guarantee to reach the installation requirement, the potential safety hazard has been increased. To this end, the present application provides a fixed observation window device.

Please refer to fig. 1-4, a fixed observation window device, including nut body 1, the up end of nut body 1 is provided with upper groove 9, upper groove 9 upper end fixed mounting has transparent cover block 2, the thickness of transparent cover block 2 is 15-20 mm the same as the degree of depth of upper groove 9, exemplarily, the thickness of transparent cover block 2 of this embodiment is 16mm with upper groove 9, the hardness of transparent cover block 2 is higher, also play certain dustproof guard action when can satisfying the inside observation of nut body 1, the lower terminal surface of nut body 1 is provided with lower groove 3, the degree of depth of lower groove 3 is 15-25 mm, fixed mounting has double-screw bolt 4 in lower groove 3, fix the welding to the junction of nut body 1 and double-screw bolt 4 again after the installation, can improve the firmness that nut body 1 and double-screw bolt 4 are connected.

The inner wall of double-screw bolt 4 is provided with seal groove 5, seal groove 5 is located the middle part position of double-screw bolt 4, the height of seal groove 5 sets up to 35 ~ 40mm, the interior degree of depth sets up to 20 ~ 35mm, it is exemplary, the height of seal groove 5 of this embodiment is 36mm, the degree of depth is 30mm, the inner wall interference fit of seal groove 5 has sealing washer 6, the inner wall fixed mounting of sealing washer 6 has thickness to be 20 ~ 30 mm's lens 7, it is exemplary, the lens 7 thickness of this embodiment sets up to 28mm, the in service behavior of oil in the equipment oil tanks such as observation transformer that can be convenient through setting up of lens 7, the efficiency of staff in maintenance work has been improved.

Furthermore, the outer wall of the stud 4 is provided with threads 8, so that the tightness of connection with equipment such as a transformer can be improved.

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 present invention in its corresponding aspects.

Claims

1. A fixed observation window device which is characterized in that: the nut comprises a nut body, wherein a lower groove is formed in the lower end face of the nut body, and a stud is fixedly connected to the lower end of the lower groove;

an upper groove is formed in the upper end face of the nut body, and a transparent cover block is fixedly mounted at the upper end of the upper groove;

the inner wall of double-screw bolt is provided with the seal groove, the inside fixed mounting of seal groove has the sealing washer, the inner wall fixedly connected with lens of sealing washer.

2. A fixed sight glass assembly as defined in claim 1, wherein: the depth of the upper groove and the thickness of the transparent cover block are both 15-20 mm, the transparent cover block is made of glass, and the lower end of the lower groove is fixedly welded with the stud.

3. A fixed sight glass assembly as defined in claim 2, wherein: the outer wall of the stud is provided with threads.

4. A fixed viewing window arrangement according to any one of claims 1 to 3, wherein: the seal groove is arranged in the middle of the stud, the height of the seal groove is 35-40 mm, and the inner depth is 20-35 mm.

5. A fixed observation window arrangement according to claim 4, wherein: the height and the thickness of the sealing ring are the same as those of the sealing groove.

6. A fixed observation window arrangement according to claim 5, wherein: the nut body is a hexagonal head nut.

7. A fixed observation window arrangement according to claim 6, wherein: the depth of the lower groove is 25-30 mm.

8. A fixed sight glass assembly according to claim 7, wherein: the diameter of the inner groove of the nut body is the same as that of the inner groove of the stud.

9. A fixed sight glass assembly as defined in claim 8, wherein: the thickness of the lens is 20-30 mm, and the lens is made of toughened glass.