CN216200991U

CN216200991U - Angle valve cover with replaceable gasket

Info

Publication number: CN216200991U
Application number: CN202122489716.0U
Authority: CN
Inventors: 袁诚志; 赵学良; 姜昭君; 苏雷
Original assignee: Shandong New Time Pharmaceutical Co Ltd
Current assignee: Shandong New Time Pharmaceutical Co Ltd
Priority date: 2021-10-15
Filing date: 2021-10-15
Publication date: 2022-04-05
Anticipated expiration: 2031-10-15

Abstract

The application discloses an angle valve cover with replaceable gaskets, which belongs to the field of angle valve accessories and is used for angle valve maintenance, and the angle valve cover comprises a valve cover body, wherein the valve cover body comprises annular bosses connected through valve cover extension parts, valve cover adjusting parts are arranged on end faces, far away from the annular bosses, of the valve cover extension parts, gaskets are placed on the annular bosses, annular step parts protruding out of the end faces of the annular bosses are arranged on the central axis of the annular bosses, and annular accommodating parts for placing the gaskets are formed on the edge positions of the annular bosses by the annular step parts; the valve cover is characterized in that a valve cover threaded column is arranged at the central axis of the annular step part, a gasket fixing part is connected to the valve cover threaded column, and the gasket fixing part is pressed on the gasket. In view of above-mentioned technical scheme, it realizes the nimble purpose of changing of gasket through the improvement to the valve gap structure, and can improve the flexibility in the maintenance process, reduces and overhauls required cost.

Description

Angle valve cover with replaceable gasket

Technical Field

The utility model belongs to the field of angle valve accessories, and particularly relates to an angle valve cover with a replaceable gasket.

Background

In the production of pharmaceuticals, fermenters are the most common production devices, which require the supply of the required culture medium or circulating water for temperature regulation through valve components such as angle valves during the operation. After the angle valve is used for a period of time, the gasket positioned at the valve cover part is damaged due to poor hardness of the gasket or is aged due to the influence of the use environment, so that the sealing performance is reduced, and therefore the gasket at the valve cover part of the angle valve needs to be replaced in the overhauling process. The angle valve used by the existing fermentation tank has the advantages that the valve cover and the gasket are of an integrated structure, the corresponding replacement cost is high, and the overhauling flexibility is limited.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an angle valve cover with a replaceable gasket, which achieves the purpose of flexibly replacing the gasket by improving the structure of the valve cover, can improve the flexibility in the maintenance process and reduce the cost required by maintenance.

In order to achieve the purpose, the utility model is realized by the following technical scheme:

the angle valve cover with the replaceable gasket comprises a valve cover body, wherein the valve cover body comprises annular bosses connected through valve cover extension parts, valve cover adjusting parts are arranged on the end faces, far away from the annular bosses, of the valve cover extension parts, gaskets are placed on the annular bosses, annular step parts protruding out of the end faces of the annular bosses are arranged on the central axis of the annular bosses, and annular accommodating parts for placing the gaskets are formed on the edge positions of the annular step parts of the annular bosses; the valve cover is characterized in that a valve cover threaded column is arranged at the central axis of the annular step part, a gasket fixing part is connected to the valve cover threaded column, and the gasket fixing part is pressed on the gasket.

Furthermore, the gasket fixing part comprises a gasket pressing plate, and a gasket pressing ring extends downwards from the edge of the bottom surface of the gasket pressing plate; and a gasket fixing nut screwed with the valve cover threaded column through threads is processed on the top surface of the gasket pressing plate at the position of the central axis.

Further, when the gasket fixing nut and the valve cover threaded column are screwed to a limiting state, the bottom surface of the gasket pressing ring is in contact with the gasket and the annular step portion on the annular boss respectively.

Furthermore, an exhaust inlet formed by a blind hole is formed in the end face of the valve cover threaded column downwards along the central axis direction, and an exhaust outlet which extends towards the exhaust inlet and is communicated with the exhaust inlet is formed in the side face of the valve cover extending part; the end face of the valve cover extension part is also provided with an air vent communicated with the exhaust outlet, and an exhaust screw is connected with the air vent in a threaded manner.

Furthermore, the valve cover is connected with the internal thread of the angle valve body through the external thread on the peripheral surface of the annular boss.

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

through the improvement of the valve cover structure of the diagonal valve, the utility model not only is beneficial to the independent replacement of the gasket, but also ensures the connection stability between the gasket and the valve cover, further improves the service performance of the valve cover and reduces the maintenance cost during maintenance operation.

Drawings

Fig. 1 is a first schematic structural diagram of the present invention.

FIG. 2 is a second schematic structural diagram of the present invention.

Fig. 3 is a schematic view of the internal structure of the present invention.

FIG. 4 is a schematic view of a fixing portion of the gasket according to the present invention.

Fig. 5 is a schematic structural view of a valve cover body according to the present invention.

In the figure: 1. a pad fixing portion; 2. a gasket; 3. an annular boss; 4. an exhaust screw; 5. an exhaust gas inlet; 6. air bleeding holes; 7. a valve cover extension; 8. a valve cover adjusting part; 9. a gasket pressing plate; 10. a valve cover threaded post; 11. an annular step portion; 12. a washer fixing nut; 13. a gasket is pressed; 14. and an exhaust outlet.

Detailed Description

The technical solution of the present invention will be further described and illustrated with reference to the following examples. It should be noted that the following paragraphs may refer to terms of orientation, including but not limited to "upper, lower, left, right, front, rear" and the like, which are all based on the visual orientation shown in the drawings corresponding to the specification, and should not be construed as limiting the scope or technical aspects of the present invention, but merely as facilitating better understanding of the technical aspects of the present invention by those skilled in the art.

In the description of the present specification, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Example 1

The utility model provides a can replace angle valve gap of gasket, is including processing the annular boss 3 that has the external screw thread, is provided with the annular step portion 11 of protrusion in its terminal surface at the top central axis of annular boss 3, and the central axis department fixedly connected with valve gap screw thread post 10 of annular step portion 11, and the surface processing of valve gap screw thread post 10 has the external screw thread. The central axis of the bottom surface of the annular boss 3 is fixedly provided with a valve cover extension part 7 extending in the direction away from the annular boss 3, and the valve cover extension part 7 is of a cylindrical structure. The bottom surface of the valve cover extension part 7 is provided with a valve cover adjusting part 8 which is fixed with the valve cover extension part into a whole, and the valve cover adjusting part 8 is matched with an external tool to realize the screwing-in and screwing-out of the valve cover body relative to the angle valve body. The annular step 11 forms a groove for accommodating the gasket 2 at the edge of the annular boss 3, and the gasket 2 in an annular structure is placed in the groove. The valve cover threaded column 10 contacts the gasket pressing plate 9 with the gasket 2 and the annular step part 11 through the gasket fixing nut 12, and the gasket fixing nut 12 and the gasket pressing plate 9 form a gasket fixing part 1. And a gasket pressing ring 13 protruding downwards is processed at the edge position of the bottom surface of the gasket pressing plate 9, and the bottom surface of the gasket pressing ring 13 is respectively contacted with the annular step part 11 and the top surface of the gasket 2 so as to ensure the stability of the gasket 2 on the annular boss 3.

Example 2

An angle valve cover with replaceable gaskets is characterized in that an exhaust inlet 5 formed by a blind hole is downwards processed at the center of the end face of a threaded column 10 of the valve cover, an exhaust outlet 14 is processed on the circumferential side face of an extending part 7 of the valve cover, and the exhaust outlet 14 is communicated with the exhaust inlet 5. The end face of the valve cover extension part 7 is also provided with an air vent 6 communicated with the exhaust outlet 14, a thread structure connected with the exhaust screw 4 is processed inside the exhaust outlet 14, and the air vent 6 is closed or opened when the exhaust screw 4 is screwed into or out of the exhaust outlet 14. The structure and connection relationship of the rest parts are the same as those described in any of the foregoing embodiments, and are not described herein again to avoid the tedious text.

On the basis of the above embodiments, the present invention continues to describe the technical features and functions of the technical features in the present invention in detail to help those skilled in the art fully understand the technical solutions of the present invention and reproduce them.

As shown in fig. 1 to 5, the angle valve cover with replaceable gaskets in the utility model can drive the annular boss 3 to rotate relative to the angle valve body by matching a counter bore structure processed on the cover adjusting part 8 with an external tool, and can be mounted and dismounted relative to the angle valve body by threads on the annular boss 3.

The valve cover adjusting part 8 is of a circular cylinder structure and is integrated with the valve cover extending part 7, and the valve cover extending part 7 is of a circular cylinder structure with the outer diameter larger than that of the valve cover adjusting part 8. The cover body adjusting part 8 is respectively provided with an exhaust outlet 14 communicated with the exhaust inlet 5 and an air vent 6 communicated with the exhaust outlet 14, and the structure realizes the discharge of gas possibly existing in the diagonal valve along with the entering of liquid and realizes the purpose of safe operation of the diagonal valve.

In the utility model, the valve cover extension part 7 and the annular boss 3 form a whole, and the annular boss 3 is in a circular column structure, and the outer diameter of the annular boss is larger than that of the valve body extension part 7. The annular boss 3 is provided with the annular step portion 11 that protrudes in the annular boss 3 terminal surface in the one end of keeping away from valve gap extension 7, and the central axis position department of annular step portion 11 is valve gap screw thread post 10, and the border position department of annular step portion 11 and the border position department of annular boss 3 form the recess that supplies gasket 2 to place, and the height of gasket 2 is the same with the height of annular step portion 11.

In the present invention, the valve cover threaded post 10 has an external thread formed on an outer surface thereof and is connected to the internal thread of the gasket fixing nut 12 through the external thread. The bottom of the gasket fixing nut 12 is fixedly connected with a gasket pressing plate 9 which is integrated with the gasket fixing nut, the gasket pressing plate 9 is of a circular plate structure, and the outer diameter of the gasket pressing plate is located between the annular boss 3 and the annular step part 11. And a gasket pressing ring 13 extending downwards is arranged at the bottom edge of the gasket pressing plate 9, and the bottom surface of the gasket pressing ring 13 is respectively contacted with the annular step part 11 and the gasket 2 and is gradually pressed along with the screwing of the gasket fixing nut 12. The gasket pressing ring 13 and the annular step part 11 on which the gasket 2 is arranged form a structure for fixing the gasket 2 on the annular boss 3, and replacement of the gasket 2 can be effectively realized through threaded connection.

Meanwhile, in the utility model, an exhaust inlet 5 and an exhaust outlet 14 which form a through hole with an L-shaped structure are further processed on the valve body, the exhaust inlet 5 is communicated with the exhaust outlet 14, wherein the exhaust inlet 5 is located at the position of the central axis of the bonnet threaded column 10 and extends downwards into the bonnet extension 7, and the exhaust outlet 14 is located at the circumferential side surface of the bonnet extension 7 and is communicated with the exhaust inlet 5 in the bonnet extension 7. An air vent 6 communicated with the exhaust outlet 14 is further processed on the valve cover extension part 7, and the air vent 6 is opened and closed in the screwing-in or screwing-out process through an exhaust screw 4 in threaded connection with the exhaust outlet 14.

Finally, although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description of the present description is for clarity reasons only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. The utility model provides a can replace angle valve gap of gasket, includes the valve gap body, the valve gap body includes annular boss (3) of connecting through valve gap extension (7), valve gap extension (7) are provided with valve gap regulation portion (8) at the terminal surface of keeping away from annular boss (3), gasket (2), its characterized in that have been placed on annular boss (3): an annular step part (11) protruding out of the end face of the annular boss (3) is arranged at the central axis of the annular boss (3), and an annular accommodating part for placing the gasket (2) is formed at the edge position of the annular boss (3) by the annular step part (11); the valve cover is characterized in that a valve cover threaded column (10) is arranged at the central axis of the annular step part (11), a gasket fixing part (1) is connected to the valve cover threaded column (10), and the gasket fixing part (1) is pressed on the gasket (2).

2. A replaceable gasket angle valve cover as set forth in claim 1 wherein: the gasket fixing part (1) comprises a gasket pressing plate (9), and a gasket pressing ring (13) extends downwards from the edge of the bottom surface of the gasket pressing plate (9); and a gasket fixing nut (12) screwed with the valve cover threaded column (10) through threads is processed on the top surface of the gasket pressing plate (9) at the position of the central axis.

3. A replaceable gasket angle valve cover as set forth in claim 2 wherein: when the gasket fixing nut (12) and the valve cover threaded column (10) are screwed to a limiting state, the bottom surface of the gasket pressing ring (13) is in contact with the gasket (2) on the annular boss (3) and the annular step part (11) respectively.

4. A replaceable gasket angle valve cover as set forth in claim 3 wherein: an exhaust inlet (5) formed by a blind hole is formed in the end face of the valve cover threaded column (10) in the downward direction of the central axis, and an exhaust outlet (14) which extends towards the exhaust inlet (5) and is communicated with the exhaust inlet (5) is formed in the side face of the valve cover extending part (7); the end face of the valve cover extension part (7) is also provided with an air vent (6) communicated with the exhaust outlet (14), and the air vent (6) is internally threaded with an exhaust screw (4).

5. A replaceable gasket angle valve cover as set forth in claim 4 wherein: the valve cover is connected with the inner thread of the angle valve body through the outer thread on the peripheral surface of the annular boss (3).