CN211925002U

CN211925002U - Viewing device for valve

Info

Publication number: CN211925002U
Application number: CN202020452811.6U
Authority: CN
Inventors: 梁志宝; 马慧钊
Original assignee: Yangquan Valve Co ltd
Current assignee: Yangquan Valve Co ltd
Priority date: 2020-04-01
Filing date: 2020-04-01
Publication date: 2020-11-13
Anticipated expiration: 2030-04-01

Abstract

The utility model relates to an observation device for valve, including the base of fixed mounting on the valve observation hole, set up first mounting hole and second mounting hole on the base, the first mounting hole internal seal sets up single face lens, and the pivot is worn to be equipped with in the activity of second mounting hole internal seal, lies in the fixed spanner that sets up of the outside one end of valve in the pivot, and the pivot stretches into the fixed inner chamber dust cover that sets up the cover and locate first mounting hole of the inside one end of valve. The internal environment of the valve after operation can be observed, and the valve has good effects on use, maintenance and repair of users.

Description

Viewing device for valve

Technical Field

The utility model relates to an industrial valve technical field, concretely relates to viewing device for valve.

Background

The existing valve used in metallurgy and coking industries has the problems that the opening and closing of the valve by a user are not in place, the valve cannot act due to chemical substance crystallization in a medium and the like, so that the performance of the valve is greatly reduced, and even the production is stopped.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an observation device for valve.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an observation device for valve, includes the base of fixed mounting on the valve observation hole, sets up first mounting hole and second mounting hole on the base, and the sealed single face lens that sets up in first mounting hole, the pivot is worn to be equipped with in the activity of second mounting hole seal, lies in the fixed spanner that sets up of the outside one end of valve in the pivot, and the pivot stretches into the fixed inner chamber dust cover that sets up the cover and locate first mounting hole of the inside one end of valve.

Further, the outer side of the base is provided with an outer dustproof cover covering the first mounting hole.

Further, the inner cavity dust cover is connected with the inner surface of the base in a sealing mode through a sealing ring.

Further, the base is fixedly installed on the observation hole of the valve through a bolt.

Furthermore, a lens gland is fixedly arranged at the outer end of the first mounting hole on the base, a through hole which is aligned with the single-sided lens in the axial direction is formed in the lens gland, the edge of the outer surface of the single-sided lens is tightly abutted against the inner wall of the lens gland through an outer gasket, and the edge of the inner surface of the single-sided lens is tightly abutted against a clamping table contact surface in the first mounting hole through an inner gasket.

Furthermore, the lens gland is rotatably provided with an outer dustproof cover for sealing the through hole.

Furthermore, a locking nut for locking the rotating shaft is arranged on one side of the rotating shaft, which is positioned outside the valve.

The locking nut can enable the sealing ring on the closed annular baffle table to be tightly pressed on the base, and when the sealing ring needs to be observed, the locking nut is loosened to enable the sealing ring to be separated from the base, so that the sealing ring is prevented from being scratched.

Furthermore, an annular baffle table is arranged at the bottom of the second mounting hole, and a filler groove filled with fillers is formed by the inner wall of the second mounting hole, the outer wall of the rotating shaft and the annular baffle table; the rotating shaft is sleeved with a packing gland, the lower end of the packing gland extends into the packing groove and contacts with packing, and the upper end of the packing gland is provided with the locking nut.

The technical effects of the utility model are as follows: the device specifically relates to a gate valve, a butterfly valve, a gas valve and a water seal valve. It is widely used in metallurgy and coking industries. The internal environment after the valve operation can be observed to this device, has all played fine effect to user's use, maintenance.

The valve observation device is used for observing the condition of the inner cavity of the valve in the use process. The method is characterized by helping a user to observe the height of the liquid level of injected water, check the opening and closing faults of a valve caused by naphthalene crystallization, observe the bonding degree of coal tar, enable the user to spray steam in time, observe whether a flashboard switch of a rising stem sluice valve is in place or not and the like. The device can be arranged on a valve body or a valve cover of a gate valve, a water seal valve and a gas valve, and can also be arranged on a butterfly valve.

The valve is installed on the system pipeline, and the observation device is installed on the observation hole of the valve. The single-sided lens is arranged on the base, the two sides are provided with gaskets and are compressed by the lens gland, and the sealing ring is arranged on the inner cavity dust cover to effectively isolate the pollution of the single-sided lens in the inner cavity environment of the valve; the outer dustproof cover can effectively isolate the pollution of dust and the like in the external environment to the single-sided lens; the shaft is provided with a locking nut, and the locking nut is loosened before the wrench is wrenched, so that the sealing ring is prevented from being scratched.

Drawings

FIG. 1 is a schematic structural view of an observation apparatus in the embodiment.

Reference numerals: 1. an inner cavity dust cover; 2. a seal ring; 3. a base; 4. an inner gasket; 5. an outer gasket; 6. a single-sided lens; 7. an outer dust cover; 8. a lens gland; 9. a wrench; 10. a rotating shaft; 11. a packing gland; 12. a filler; 13. and (4) a valve.

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

As shown in fig. 1, an observation device for a valve comprises a base 3 fixedly installed on an observation hole of a valve 13, wherein a first installation hole and a second installation hole are formed in the base 3, a single-sided lens 6 is arranged in the first installation hole in a sealing mode, a rotating shaft 10 is arranged in the second installation hole in a penetrating mode in a sealing mode, a wrench 9 is fixedly arranged at one end, located on the outer portion of the valve 13, of the rotating shaft 10, and a cover is fixedly arranged at one end, extending into the valve 13, of the rotating shaft 10 and is arranged in an inner cavity dust cover 1 of the first installation hole.

The inner cavity dust cover 1 is hermetically connected with the inner surface of the base 3 through a sealing ring 2.

The base 3 is fixedly mounted on the observation hole of the valve 13 through bolts.

An outer dustproof cover 7 covering the first mounting hole is arranged on the outer side of the base 3. Preferably, a lens gland 8 is fixedly arranged at the outer end of the first mounting hole on the base 3, a through hole axially aligned with the single-sided lens 6 is formed in the lens gland 8, the edge of the outer surface of the single-sided lens 6 is tightly abutted with the inner wall of the lens gland 8 through an outer gasket 4, and the edge of the inner surface of the single-sided lens 6 is tightly abutted with a clamping table contact surface in the first mounting hole through an inner gasket 5.

An outer dustproof cover 7 for covering the through hole is rotatably arranged on the lens gland 8.

A locking nut for locking the rotating shaft 10 is provided on the side of the rotating shaft 10 located outside the valve 13.

An annular blocking table is arranged at the bottom of the second mounting hole, and a filling groove filled with fillers 12 is formed by the inner wall of the second mounting hole, the outer wall of the rotating shaft 10 and the annular blocking table; the rotating shaft 10 is sleeved with a packing gland 11, the lower end of the packing gland 11 extends into the packing groove and contacts with the packing 12, and the upper end of the packing gland 11 is provided with a locking nut.

The valve observation device is used for observing the inner cavity condition of the valve 13 in the using process. The method is characterized by helping a user to observe the height of the liquid level of injected water, check the opening and closing faults of the valve 13 caused by naphthalene crystallization, observe the bonding degree of coal tar, enable the user to spray steam in time, observe whether the open and close of the open-stem gate valve flashboard are in place and the like. The device can be arranged on a valve body or a valve cover of a gate valve, a water seal valve and a gas valve, and can also be arranged on a butterfly valve.

The observation device working principle is as follows: an observation hole is formed in the valve 13, the inner cavity dust cover 1 is arranged on the observation device, during observation, the locking nut on the rotating shaft 10 is loosened, the wrench 9 is rotated to enable the inner cavity dust cover 1 to rotate 90-180 degrees, the outer dust cover 7 is opened, and the condition of the inner cavity of the valve 13 is observed through the single-sided lens 6.

The above description has been made in detail only for the preferred embodiment of the present invention, but the present invention is not limited to the above embodiment, and various changes can be made without departing from the spirit of the present invention within the knowledge scope of those skilled in the art, and all such changes are intended to be encompassed by the present invention.

Claims

1. The utility model provides an observation device for valve, its characterized in that includes the base of fixed mounting on the valve observation hole, offers first mounting hole and second mounting hole on the base, and the sealed single face lens that sets up in the first mounting hole, the pivot is worn to be equipped with in the sealed activity of second mounting hole, lies in the fixed spanner that sets up of the outside one end of valve in the pivot, and the pivot stretches into the fixed inner chamber dust cover that sets up the cover and locate first mounting hole of the inside one end of valve.

2. The viewing device of claim 1, wherein an outer dust cap covering the first mounting hole is disposed outside the base.

3. The viewing device of claim 1, wherein the dust shield is sealingly connected to the inner surface of the base by a sealing ring.

4. The viewing device of claim 1, wherein the base is fixedly mounted to the viewing aperture of the valve by a bolt.

5. The viewing device of claim 1, wherein a lens cap is fixedly disposed on the base at an outer end of the first mounting hole, the lens cap has a through hole axially aligned with the single-sided lens, an outer surface edge of the single-sided lens abuts against an inner wall of the lens cap via an outer gasket, and an inner surface edge of the single-sided lens abuts against a contact surface of the locking boss in the first mounting hole via an inner gasket.

6. A viewing device for a valve according to claim 5 wherein the lens gland has an outer dust cap rotatably mounted thereon to close the aperture.

7. The viewing device for a valve as claimed in claim 1, wherein a locking nut for locking the rotation shaft is provided on a side of the rotation shaft located outside the valve.

8. The viewing device for the valve as claimed in claim 7, wherein the bottom of the second mounting hole is provided with an annular baffle, and the inner wall of the second mounting hole, the outer wall of the rotating shaft and the annular baffle form a packing groove filled with packing; the rotating shaft is sleeved with a packing gland, the lower end of the packing gland extends into the packing groove and contacts with packing, and the upper end of the packing gland is provided with the locking nut.