CN212564626U

CN212564626U - Stop valve for hydraulic engineering with seal structure

Info

Publication number: CN212564626U
Application number: CN202021429758.4U
Authority: CN
Inventors: 林义
Original assignee: Zigong Industrial Valve Manufacture Co ltd
Current assignee: Zigong Industrial Valve Manufacture Co ltd
Priority date: 2020-07-20
Filing date: 2020-07-20
Publication date: 2021-02-19
Anticipated expiration: 2030-07-20

Abstract

The utility model discloses a stop valve with a sealing structure for hydraulic engineering, which comprises a valve body, a first semicircular snap ring, a second connecting ring plate, a bolt and a second semicircular snap ring, a first connecting ring plate is fixed at the top end of the valve body, the upper surface of the first connecting ring plate is jointed and butted with the lower surface of the second connecting ring plate, the first connecting ring plate is provided with a first round hole, the second connecting ring plate is provided with a second round hole, the first semicircular clamping ring and the second semicircular clamping ring are clamped at the butt joint part of the first connecting ring plate and the second connecting ring plate, the sealing gaskets fixed on the inner walls of the first semicircular clamping ring and the second semicircular clamping ring are contacted with the first connecting ring plate and the second connecting ring plate, third round holes are formed in the first semicircular clamping ring and the second semicircular clamping ring respectively, the bolt penetrates through the third round holes, the second round holes and the first round holes, and nuts are installed at two ends of the bolt. The utility model has the advantages of strengthen first connecting ring board and second connecting ring board connection stability and leakproofness.

Description

Stop valve for hydraulic engineering with seal structure

Technical Field

The utility model relates to a hydraulic engineering technical field specifically is a stop valve for hydraulic engineering with seal structure.

Background

Hydraulic engineering is an engineering built for controlling and allocating surface water and underground water in nature to achieve the purposes of removing harmful substances and benefiting. Also known as water engineering. Water is a valuable resource essential for human production and life, but its naturally occurring state does not completely meet the needs of human beings. Only when hydraulic engineering is built, water flow can be controlled, flood disasters are prevented, and water quantity is adjusted and distributed to meet the requirements of people on water resources in life and production.

The stop valve can be used in the connection of pipeline among the hydraulic engineering, and the junction relies on bolt and nut to connect fixedly between the valve body of general stop valve and the valve gap, sets up seal structure in the junction, and the condition that probably appears leaking in the junction has been long to the live time.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stop valve for hydraulic engineering with seal structure, the junction that possesses valve body and valve gap adds establishes sealed fixed knot and constructs, strengthens the stability of connection and the advantage of leakproofness, has solved junction dependence bolt and nut between valve body and the valve gap and has connected fixedly, sets up seal structure in the junction, and the problem that probably appears leaking in the junction has been prolonged in live time.

In order to achieve the above object, the utility model provides a following technical scheme: a stop valve with a sealing structure for hydraulic engineering comprises a valve body, a first semicircular snap ring, a second connecting ring plate, a connecting rod, a bolt and a second semicircular snap ring, wherein the middle of the top end of the valve body is fixedly provided with the first connecting ring plate, the upper surface of the first connecting ring plate is in butt joint with the lower surface of the second connecting ring plate in a laminating manner, the middle of the upper surface of the second connecting ring plate is fixedly provided with a shaft sleeve, a sealing bearing is fixedly arranged in the shaft sleeve, the connecting rod penetrates through the sealing bearing and extends into the valve body, the first connecting ring plate is provided with six first round holes in an annular array manner, the second connecting ring plate is provided with six second round holes in an annular array manner, the first semicircular snap ring and the second semicircular snap ring are clamped at the butt joint of the first connecting ring plate and the second connecting ring plate, and a sealing gasket fixed on the inner walls of the first semicircular snap ring and the second semicircular snap ring is in contact with the first connecting ring plate and the second connecting ring plate, third round holes are formed in the first semicircular clamping ring and the second semicircular clamping ring respectively, the bolt penetrates through the third round holes, the second round holes and the first round holes, and nuts are installed at the upper end and the lower end of the bolt in a threaded mode respectively.

Preferably, flanges are respectively fixed at two ends of the valve body.

Preferably, the connecting rod rotates relative to the shaft sleeve through a sealing bearing, the bottom end of the connecting rod is fixed with a valve plate inside the valve body, and a hand wheel is fixed at the top end of the connecting rod.

Preferably, the first round hole, the second round hole and the third round hole are corresponding, and the first round hole, the second round hole and the third round hole are respectively matched with the bolt.

Preferably, the insertion blocks at the front end and the rear end of one side of the first semicircular snap ring are correspondingly inserted into the insertion holes at the front end and the rear end of one side of the second semicircular snap ring, and the insertion blocks are matched with the insertion holes.

Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model achieves the effect of strengthening the stability and the sealing performance of the connection by arranging the first semicircular snap ring, the second semicircular snap ring and the sealing gasket, and the utility model is provided with the first semicircular snap ring, second semicircle snap ring and sealed the pad, first connecting ring board and second connecting ring board butt joint, first round hole and second round hole align, with first semicircle snap ring and second semicircle snap ring joint respectively at first connecting ring board and second connecting ring board butt joint department, the corresponding jack that injects both ends around the jack at second semicircle snap ring one side of the jack at both ends around first semicircle snap ring one side, jack and jack phase-match, fixed sealed pad of first semicircle snap ring and second semicircle snap ring inner wall contacts with first connecting ring board and second connecting ring board, sealed pad seals the junction of first connecting ring board and second connecting ring board, the third round hole corresponds with first round hole and second round hole. The bolt penetrates through the third round hole, the second round hole and the first round hole, nuts are respectively installed at the upper end and the lower end of the bolt in a threaded mode, the nuts are screwed up, and the first semicircular clamping ring, the second semicircular clamping ring, the first connecting ring plate and the second connecting ring plate are fixed through the bolt and the nuts. Through first semicircle snap ring, second semicircle snap ring and sealed the department of filling up at the junction of first connecting ring board and second connecting ring board and consolidate, strengthen the stability and the leakproofness that first connecting ring board and second connecting ring board are connected.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

fig. 2 is a schematic view of a second connecting ring plate of the present invention illustrating a top-down connection structure;

fig. 3 is a schematic top view of the first connecting ring plate of the present invention;

fig. 4 is a schematic view of a connection structure of the first semicircular snap ring and the second semicircular snap ring of the present invention;

fig. 5 is a schematic view of a front cross-sectional connection structure of the first semicircular snap ring and the second semicircular snap ring according to the present invention.

In the figure: 1. a flange; 2. a valve body; 3. a first connecting ring plate; 4. a first semi-circular snap ring; 5. a second connecting ring plate; 6. a shaft sleeve; 7. a connecting rod; 8. a hand wheel; 9. a bolt; 10. a second semicircular snap ring; 11. a nut; 12. sealing the bearing; 13. a second circular hole; 14. a first circular hole; 15. a third circular hole; 16. inserting a block; 17. a jack; 18. and a gasket.

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 "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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 to 5, the present invention provides an embodiment: the utility model provides a stop valve for hydraulic engineering with seal structure, includes valve body 2, first semicircle snap ring 4, second connecting ring board 5, connecting rod 7, bolt 9 and second semicircle snap ring 10, and the both ends of valve body 2 are fixed with flange 1 respectively, and the flange 1 at the both ends of valve body 2 connects the outside pipeline respectively. The middle of the top end of the valve body 2 is fixed with a first connecting ring plate 3, the upper surface of the first connecting ring plate 3 is jointed with the lower surface of a second connecting ring plate 5 in an attaching mode, and a sealing structure is arranged at the joint of the first connecting ring plate 3 and the second connecting ring plate 5. The middle of the upper surface of the second connecting ring plate 5 is fixed with a shaft sleeve 6, a sealing bearing 12 is fixed in the shaft sleeve 6, a connecting rod 7 penetrates through the sealing bearing 12 and extends into the valve body 2, the connecting rod 7 rotates relative to the shaft sleeve 6 through the sealing bearing 12, the bottom end of the connecting rod 7 is fixed with a valve plate inside the valve body 2, and a hand wheel 8 is fixed at the top end of the connecting rod 7. The hand wheel 8 is rotated, the connecting rod 7 rotates to drive the valve plate to rotate, and the valve body 2 is controlled to be opened and closed.

Six first round holes 14 have been seted up to being annular array on the first connecting ring board 3, six second round holes 13 have been seted up to being annular array on the second connecting ring board 5, first semicircle snap ring 4 and second semicircle snap ring 10 joint are in first connecting ring board 3 and second connecting ring board 5 butt joint department, the corresponding jack 17 that injects both ends around second semicircle snap ring 10 one side of the inserted block 16 at both ends around first semicircle snap ring 4 one side, inserted block 16 and jack 17 phase-match make first semicircle snap ring 4 and second semicircle snap ring 10 butt joint fixed. The sealing gaskets 18 fixed on the inner walls of the first semicircular snap ring 4 and the second semicircular snap ring 10 are in contact with the first connecting ring plate 3 and the second connecting ring plate 5, and the joints of the first connecting ring plate 3 and the second connecting ring plate 5 are sealed by the sealing gaskets 18. Third round holes 15 are formed in the first semicircular snap ring 4 and the second semicircular snap ring 10 respectively, the first round holes 14, the second round holes 13 correspond to the third round holes 15, the bolts 9 penetrate through the third round holes 15, the second round holes 13 and the first round holes 14, the second round holes 13 and the third round holes 15 are matched with the bolts 9 respectively, and nuts 11 are mounted at the upper end and the lower end of each bolt 9 in a threaded mode respectively. And (3) screwing a nut 11, and fixing the first semicircular snap ring 4, the second semicircular snap ring 10, the first connecting ring plate 3 and the second connecting ring plate 5 through a bolt 9 and the nut 11. The first semicircular clamping ring 4, the second semicircular clamping ring 10 and the sealing gasket 18 are reinforced at the joint of the first connecting ring plate 3 and the second connecting ring plate 5, so that the connection stability and the sealing property of the first connecting ring plate 3 and the second connecting ring plate 5 are enhanced.

The working principle is as follows: the first semicircular snap ring 4 and the second semicircular snap ring 10 are clamped at the butt joint of the first connecting ring plate 3 and the second connecting ring plate 5, and the inserting blocks 16 at the front end and the rear end of one side of the first semicircular snap ring 4 are correspondingly inserted into the inserting holes 17 at the front end and the rear end of one side of the second semicircular snap ring 10. The bolt 9 passes through the third round hole 15, the second round hole 13 and the first round hole 14, and the upper and lower both ends of bolt 9 are threaded respectively and are installed with the nut 11, screw up the nut 11, and through bolt 9 and nut 11 with first semicircle snap ring 4, second semicircle snap ring 10, first connecting ring plate 3 and second connecting ring plate 5 fixed. The first semicircular clamping ring 4, the second semicircular clamping ring 10 and the sealing gasket 18 are reinforced at the joint of the first connecting ring plate 3 and the second connecting ring plate 5, so that the connection stability and the sealing property of the first connecting ring plate 3 and the second connecting ring plate 5 are enhanced.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a stop valve for hydraulic engineering with seal structure, includes valve body (2), first semicircle snap ring (4), second connecting ring board (5), connecting rod (7), bolt (9) and second semicircle snap ring (10), its characterized in that: the middle on valve body (2) top is fixed with first connecting ring board (3), first connecting ring board (3) upper surface and second connecting ring board (5) lower surface laminating butt joint, the centre of second connecting ring board (5) upper surface is fixed with axle sleeve (6), axle sleeve (6) internal fixation has sealed bearing (12), connecting rod (7) pass sealed bearing (12) and stretch into in valve body (2), be annular array on first connecting ring board (3) and seted up six first round holes (14), be annular array on second connecting ring board (5) and seted up six second round holes (13), first semicircle snap ring (4) and second semicircle snap ring (10) joint are in first connecting ring board (3) and second connecting ring board (5) butt joint department, the sealed pad (18) that first semicircle snap ring (4) and second semicircle snap ring (10) inner wall are fixed contacts with first connecting ring board (3) and second connecting ring board (5), first semicircle snap ring board (4) and second semicircle snap ring board (10) contact Third round holes (15) are respectively formed in the first semicircular clamping ring (4) and the second semicircular clamping ring (10), the bolt (9) penetrates through the third round holes (15), the second round holes (13) and the first round holes (14), and nuts (11) are respectively installed at the upper end and the lower end of the bolt (9) in a threaded mode.

2. The stop valve for hydraulic engineering with seal structure of claim 1, characterized in that: and flanges (1) are respectively fixed at two ends of the valve body (2).

3. The stop valve for hydraulic engineering with seal structure of claim 1, characterized in that: the connecting rod (7) rotates relative to the shaft sleeve (6) through the sealing bearing (12), the bottom end of the connecting rod (7) is fixed with a valve plate inside the valve body (2), and a hand wheel (8) is fixed at the top end of the connecting rod (7).

4. The stop valve for hydraulic engineering with seal structure of claim 1, characterized in that: the first round hole (14), the second round hole (13) and the third round hole (15) correspond to each other, and the first round hole (14), the second round hole (13) and the third round hole (15) are respectively matched with the bolt (9).

5. The stop valve for hydraulic engineering with seal structure of claim 1, characterized in that: the inserting blocks (16) at the front end and the rear end of one side of the first semicircular clamping ring (4) are correspondingly inserted into the inserting holes (17) at the front end and the rear end of one side of the second semicircular clamping ring (10), and the inserting blocks (16) are matched with the inserting holes (17).