CN212986177U

CN212986177U - Protection type isolating valve sealing ring

Info

Publication number: CN212986177U
Application number: CN202020250237.6U
Authority: CN
Inventors: 高学芬
Original assignee: Tianjin Xinjuyuan Valve Manufacturing Co ltd
Current assignee: Tianjin Xinjuyuan Valve Manufacturing Co ltd
Priority date: 2020-03-04
Filing date: 2020-03-04
Publication date: 2021-04-16
Anticipated expiration: 2030-03-04

Abstract

The utility model discloses a protection type isolation valve sealing washer, including lower valve body, the valve body left side is provided with trapezoidal stopper down, the stopper top is provided with trapezoidal coordination groove, the fixed sealing washer that is provided with in trapezoidal coordination groove top, the sealing washer below agrees with trapezoidal coordination groove appearance, the circumference is provided with the draw-in groove in the middle of the sealing washer, the sealing washer top is provided with annular coordination groove, annular coordination groove both sides are provided with a screw hole respectively, the threaded hole internal fixation is provided with a tight set bolt, tightly decide the upper valve gap of bolt top fixedly connected with, be provided with the coordination clearance between upper valve gap and the sealing washer, upper valve gap top is provided with nut and tightly decides the bolt and link up whole upper valve gap, the position fixedly connected with annular stopper of the corresponding annular coordination groove of upper valve gap below. The utility model discloses in, adopt circular seal, effectively improved the sealed effect of valve, be difficult to the emergence and leak, can increase the life of valve simultaneously.

Description

Protection type isolating valve sealing ring

Technical Field

The utility model relates to a sealing washer technical field for the valve especially relates to a protection type isolating valve sealing washer.

Background

In the daily life of people, water plays an important role in guaranteeing the life and lives of people. In order to realize safe water use of people, water needs to be purified, and after a period of time, the water storage tank needs to be washed positively or backwashed to ensure the cleanness of the water storage tank. In order to realize water circulation along a specified pipe body, when one pipe body is communicated, the other pipe body is not communicated, and a sealing ring is required to realize sealing.

However, in the prior art, common sealing ring is mostly in an annular structure, the position of the sealing ring is located between the valve cover and the valve body guide pipe, the annular structure is adopted when sealing, the sealing ring and the interface are mostly in linear sealing, the sealing effect is not good, and leakage is easy to occur. In addition, after the valve is used for a period of time, the valve body is easy to generate rigid deformation, and the sealing ring is mostly made of soft materials, so that the position which is easy to leak is easy to appear, and the leakage is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a protective isolating valve sealing ring.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a protection type isolation valve sealing washer, includes valve body down, the valve body left side is provided with trapezoidal stopper down, the stopper top is provided with trapezoidal coordination groove, the fixed sealing washer that is provided with in trapezoidal coordination groove top, the sealing washer below agrees with trapezoidal coordination groove appearance, the circumference is provided with the draw-in groove in the middle of the sealing washer, the sealing washer top is provided with annular coordination groove, annular coordination groove both sides are provided with a screw hole respectively, the threaded hole internal fixation is provided with a holding bolt, hold up the upper valve lid of bolt top fixedly connected with, be provided with the coordination clearance between upper valve lid and the sealing washer, the upper valve lid top is provided with the nut and holds up the bolt and link up whole upper valve lid, the position fixedly connected with annular stopper of the corresponding annular coordination groove in upper valve lid below.

As a further description of the above technical solution:

the sealing washer is close to annular stopper one side and is the top surface, go up fixed a plurality of main grooves that are provided with in top surface circumference department, the main groove is close to centre of a circle department and is provided with the auxiliary groove, the fixed bayonet socket that is provided with in the main groove, the correspondence of upper valve cover lower extreme is provided with same arch and mutually supports between main groove, the auxiliary groove.

As a further description of the above technical solution:

the trapezoidal limiting block is fixedly provided with a convex block, and a plurality of ribs are fixedly connected to the surface, close to the trapezoidal positioning groove, of the convex block.

As a further description of the above technical solution:

the depth of the main groove is shallower than that of the auxiliary groove, and the depth of the auxiliary groove is not more than twenty millimeters.

As a further description of the above technical solution:

the sealing washer adopts the rigid plastic material to make, just upper valve cover, lower valve body are the foundry goods.

As a further description of the above technical solution:

the clamping grooves are of a symmetrical structure, and the groove depth is not more than five millimeters.

As a further description of the above technical solution:

the lug is fixedly provided with a plurality of ribs which are arc-shaped, and corresponding grooves are also formed in the circumference of the lower end of the sealing ring and matched with the ribs.

The utility model discloses following beneficial effect has:

1. the utility model discloses in take novel sealing washer structure, break through conventional sealing washer ring shape seal structure, use integral sealing washer structure, better in sealed effect, can effectively prevent that the interior fluid of valve from revealing.

2. The utility model discloses be in the rank of isolation equally on seal structure, structurally tighter, better in effect, can effectual protection valve in fluid, can not take place to leak, also can play the effect of protection to last valve closure and lower disk seat simultaneously.

3. The utility model discloses well sealing washer adopts the rigid plastic material, and rigidity impact and wearing and tearing between valve gap and the lower disk seat on can effectual reduction increase the life of whole isolation valve.

4. The utility model discloses well utilize multilayer structure, effectively with the whole of forming a fixed connection between valve gap, sealing washer and the valve body, can effectually prevent the emergence of leaking.

Drawings

Fig. 1 is a front view of a protective isolation valve sealing ring according to the present invention;

fig. 2 is a top view of a protective isolation valve sealing ring according to the present invention;

fig. 3 is the utility model provides a trapezoidal stopper sketch map of protection type isolating valve sealing washer.

Illustration of the drawings:

1. a lower valve body; 2. a trapezoidal positioning groove; 3. a limiting block; 4. a card slot; 5. an annular positioning groove; 6. an annular stop block; 7. tightening the bolt; 8. an upper valve cover; 9. a nut; 10. a coordination gap; 11. a threaded hole; 12. a seal ring; 13. a main tank; 14. a bayonet; 15. a top surface; 16. a secondary groove; 17. a bump; 18. and (4) ribs.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a protection type isolation valve sealing washer, including

lower valve body

1, 1 left side of lower valve body is provided with trapezoidal stopper 3, stopper 3 top is provided with trapezoidal positioning groove 2, the fixed sealing washer 12 that is provided with in trapezoidal positioning groove 2 top, sealing washer 12 below agrees with 2 appearances in trapezoidal positioning groove, the circumference is provided with draw-in groove 4 in the middle of the sealing washer 12, sealing washer 12 top is provided with annular positioning groove 5, annular positioning groove 5 both sides are provided with a screw hole 11 respectively, the internal fixation of screw hole 11 is provided with a holding bolt 7, hold up bolt 7 top fixedly connected with upper bonnet 8, be provided with coordination clearance 10 between upper bonnet 8 and the sealing washer 12, upper bonnet 8 top is provided with nut 9 and holding bolt 7 and link up whole upper bonnet 8, the position fixedly connected with annular stopper 6 that upper bonnet 8 below corresponds annular positioning groove 5.

One side of the sealing ring 12 close to the annular limiting block 6 is an upper top surface 15, a plurality of main grooves 13 are fixedly arranged at the circumference of the upper top surface 15, auxiliary grooves 16 are arranged at the positions of the main grooves 13 close to the circle center, a bayonet 14 is fixedly arranged in the main grooves 13, the lower end of the upper valve cover 8 is correspondingly provided with the same protrusions which are matched with the main grooves 13 and the auxiliary grooves 16, a convex block 17 is fixedly arranged on the trapezoidal limiting block 3, a plurality of ribs 18 are fixedly connected on the surface of the convex block 17 close to the trapezoidal matching groove 2, the depth of the groove of the main groove 13 is shallower than that of the auxiliary grooves 16, the depth of the auxiliary groove 16 is not more than twenty millimeters, the sealing ring 12 is made of hard plastic materials, the upper valve cover 8 and the lower valve body 1 are both castings, the clamping grooves 4 are of a symmetrical structure, the groove depth is not more than five millimeters, the protruding blocks 17 are fixedly provided with a plurality of ribs 18, the ribs 18 are arc-shaped, and corresponding grooves are also formed in the circumference of the lower end of the sealing ring 12 and are matched with the ribs 18.

The working principle is as follows:

1. when the valve body is assembled, sealing is needed, and the lower surface of the sealing ring is aligned to the interface of the valve seat.

2. The valve body in the trapezoidal positioning groove is screwed with the sealing ring to form fixed connection, and the groove in the circumferential side wall of the sealing ring is in sealing fit with the rib on the limiting block.

3. The annular limiting block on the lower bottom surface of the upper valve cover is fastened and compacted with the annular positioning groove at the upper end of the sealing ring.

4. And a fastening bolt is placed in the threaded hole in the valve cover and is screwed down to penetrate through the valve cover and form fixed connection with the sealing ring, but the threaded hole in the sealing ring cannot be penetrated, and liquid in the lower end valve body interface cannot leak along the threaded hole.

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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a protection type isolating valve sealing washer, includes lower valve body (1), its characterized in that: a trapezoidal limiting block (3) is arranged on the left side of the lower valve body (1), a trapezoidal matching groove (2) is arranged above the limiting block (3), a sealing ring (12) is fixedly arranged above the trapezoidal matching groove (2), the lower part of the sealing ring (12) is matched with the shape of the trapezoidal matching groove (2), a clamping groove (4) is arranged on the middle circumference of the sealing ring (12), an annular matching groove (5) is arranged above the sealing ring (12), two sides of the annular matching groove (5) are respectively provided with a threaded hole (11), a fastening bolt (7) is fixedly arranged in the threaded hole (11), an upper valve cover (8) is fixedly connected above the fastening bolt (7), a matching gap (10) is arranged between the upper valve cover (8) and the sealing ring (12), a nut (9) is arranged above the upper valve cover (8), and the fastening bolt (7) penetrates through the whole upper valve cover (8), an annular limiting block (6) is fixedly connected to the position, corresponding to the annular matching groove (5), below the upper valve cover (8).

2. The protective isolation valve seal ring of claim 1, wherein: sealing washer (12) are close to annular stopper (6) one side and are last top surface (15), it is provided with a plurality of main grooves (13) to go up top surface (15) circumference department fixed, main groove (13) are close to centre of a circle department and are provided with vice groove (16), the fixed bayonet socket (14) that is provided with in main groove (13), go up valve gap (8) lower extreme correspondence be provided with same arch and with main groove (13), mutually support between vice groove (16).

3. The protective isolation valve seal ring of claim 1, wherein: the trapezoidal limiting block (3) is fixedly provided with a convex block (17), and a plurality of ribs (18) are fixedly connected to the surface, close to the trapezoidal positioning groove (2), of the convex block (17).

4. The protective isolation valve seal ring of claim 2, wherein: the groove depth of the main groove (13) is shallower than that of the auxiliary groove (16), and the depth of the auxiliary groove (16) is not more than twenty millimeters.

5. The protective isolation valve seal ring of claim 1, wherein: the sealing ring (12) is made of hard plastic materials, and the upper valve cover (8) and the lower valve body (1) are both castings.

6. The protective isolation valve seal ring of claim 1, wherein: the clamping grooves (4) are of symmetrical structures, and the groove depth is not more than five millimeters.

7. The protective isolation valve seal ring of claim 3, wherein: a plurality of ribs (18) are fixedly arranged on the convex block (17), the ribs (18) are arc-shaped, and corresponding grooves are also formed in the circumference of the lower end of the sealing ring (12) and matched with the ribs (18).