CN214946541U - Prevent sewage pipe network ball valve of leakage - Google Patents

Abstract

The utility model discloses a prevent sewage pipe network ball valve of leakage, including valve body and last disk seat, the top of valve body is provided with the disk seat, the top of going up the disk seat is provided with dustproof construction, the inside top of going up the disk seat is provided with the gland, the inside of gland is provided with the valve rod, the intermediate position department of valve rod is provided with the filler, the bottom of filler is provided with O type circle. This prevent sewage pipe network ball valve of leakage is through being provided with the switch hand wheel, the dust shell, first gear, the second gear, bull stick and bearing frame, the dust shell, prevent that the dust from falling into, the top fixedly connected with second gear of valve rod, the rotary switch hand wheel rotates, the bull stick rotates at the dust shell is inside, the dust shell is provided with the dust ring with the junction of bull stick, it is not smooth to prevent that the dust corrosion from causing the rotation, the second gear drives the valve rod and the rotatory ninety degrees of case can close the ball valve, the problem that the executive component who has solved to open and close easily receives the dust jam and leads to the switch not smooth is solved.

Description

Prevent sewage pipe network ball valve of leakage

Technical Field

The utility model relates to a sewage pipe network valve technical field specifically is a prevent sewage pipe network ball valve of leakage.

Background

The sewage pipe network is a part of an urban area underground pipeline system, the sewage of a sewage port of an area is collected and is discharged into a necessary channel of a sewage treatment plant, because the pipeline is distributed all over, valves adaptive to the area need to be installed, the size of the industrial valves is often large, the industrial valves are buried underground or exposed on the earth surface, a valve switch execution assembly is often rusted by dust, the rotation is not smooth, the internal sealing effect and the wear-resisting performance are not good, the leakage water seepage is easily caused, the sewage outflow is caused to influence the environment, the cleaning is difficult, the anti-leakage sewage pipe network ball valve is provided, and the problems are solved by arranging a dustproof unit, a sealing unit and a wear-resisting unit.

In the process of implementing the present invention, the inventor finds that at least the following problems exist in the prior art and are not solved:

(1) the traditional sewage pipe network ball valve is large in size, poor in sealing effect, easy to cause sewage leakage and large in harm to the environment;

(2) the traditional sewer pipe network ball valve is mostly installed underground, and an opening and closing execution assembly is easily blocked by dust to cause unsmooth opening and closing;

(3) the traditional sewer pipe network ball valve is poor in internal wear resistance, and the inner wall of the traditional sewer pipe network ball valve is abraded by water flow impact for a long time and is easy to burst.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent sewage pipe network ball valve of leakage to it is not good to provide sealed effect in solving above-mentioned background art, easily causes the sewage seepage, to the great problem of environmental hazard.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a prevent sewage pipe network ball valve of leakage, includes the valve body and goes up the valve seat, the top of valve body is provided with the disk seat, the top of going up the disk seat is provided with dustproof construction, the inside top of going up the disk seat is provided with the gland, the inside of gland is provided with the valve rod, the intermediate position department of valve rod is provided with the filler, the bottom of filler is provided with O type circle, the both sides of the inside of valve body are provided with the runner, the both sides of runner are provided with flange respectively, the inside bottom of valve body is provided with the abrasionproof and decreases the structure, the bottom of valve body is provided with down the disk seat, the both sides fixedly connected with construction bolt of disk seat down, the bottom of valve rod extends to the inside of valve body, be provided with seal structure between the runner.

Preferably, the sealing structure comprises a valve core, the valve core is fixedly connected to the bottom end of the valve rod, a hollow cavity is formed in the valve core, sealing elements are arranged on two sides of the valve core respectively, and a gasket is bonded to the outer portion of each sealing element.

Preferably, the sealing elements are arranged in two groups and are parallel to each other, and the sealing elements are symmetrically distributed about a perpendicular line of the valve rod.

Preferably, dustproof construction is by switch hand wheel, dust-proof housing, first gear, second gear, bull stick and bearing frame, dust-proof housing fixed connection is on the top of last disk seat, one side fixedly connected with bearing frame of dust-proof housing inner wall, swing joint has the bull stick between bearing frame and the dust-proof housing, the opposite side of bull stick extends to the outside and the fixedly connected with switch hand wheel of dust-proof housing, the outside fixed cup of bull stick has first gear, the bottom meshing of first gear has the second gear, the bottom of second gear and the top fixed connection of valve rod.

Preferably, the dustproof shell is fixedly connected with the upper valve seat through a bolt, the first gears are the same in size and are perpendicular to each other, and a dustproof ring is arranged at the movable connection position of the other side of the rotating rod and the dustproof shell.

Preferably, the anti-abrasion structure is composed of a sealing recess, a gasket, a spring and a gasket, the sealing recess is arranged at the bottom end inside the valve body, the gasket is arranged between the top end of the sealing recess and the bottom end of the valve core, the spring is fixedly connected between the bottom end of the gasket and the sealing recess, and the gasket is arranged between the valve core and two sides of the top end of the inner wall of the valve body.

Preferably, the springs are arranged in seven groups, the springs are distributed at equal intervals, and the concave radian of the top end of the gasket is matched with the valve core.

Compared with the prior art, the beneficial effects of the utility model are that: the leakproof sewage pipe network ball valve not only realizes the improvement of the sealing performance and the dustproof performance, but also realizes the improvement of the wear resistance;

(1) by arranging the valve core, the hollow cavity, the sealing element and the gasket, because the volume of the sewage pipe network ball valve is often larger and the sealing effect is poor, the gasket is adhered to the outer part of the sealing element to prevent the sealing element from impacting the inner wall of the valve body to cause a gap due to overlarge impact force of water flow, the sealing effect is improved, the hollow cavity is changed from a traditional circular passage into a cavity passage with one conical end and the other end gradually extending to form an arc shape, when the valve core needs to be opened in a closed state, the switch hand wheel is clockwise rotated, the valve core rotates, the water flow firstly enters the hollow cavity from the conical part, along with the rotation, the circulating area is gradually increased until the circular arc edge hollow cavity is superposed with the sealing element, the flow speed is reduced, the instant impact of the valve opening is reduced, otherwise, when the valve core needs to be closed in an open state, the switch hand wheel is anticlockwise rotated, the effects are the same as above, the sealing failure caused by impact damage can be reduced, and the sealing effect is further improved, the sewage is prevented from flowing outwards;

(2) the ball valve is in a manual type and is in a long-term opening state, dust is mostly arranged underground, the dust easily blocks a manual execution unit, labor is wasted when manual closing is needed, the switch is unsmooth and rusty, the dustproof shell is arranged to prevent dust from falling in, the second gear is fixedly connected to the top end of the valve rod, the switch hand wheel is rotated, the rotating rod rotates in the dustproof shell, a dustproof ring is arranged at the joint of the dustproof shell and the rotating rod to prevent the dust from being rusted to cause unsmooth rotation, the first gear is meshed with the second gear to transmit torque and change the rotation direction, and the second gear drives the valve rod and the valve core to rotate ninety degrees to close the ball valve;

(3) through being provided with sealed recess, the gasket, spring and cushion, when sewage circulates in the sewage pipe network, because the temperature is different, often can cause the inflation or the shrink of internals behind the entering runner, sealed face top of case and bottom are easy to receive wearing and tearing because of the inflation, consequently be provided with the cushion between case top and valve body inner wall, be provided with the gasket between case bottom and the valve body inner wall, the spring shrink, but the cushion is the deformation reduction after being extruded, reduce case and valve body inner wall rigid friction, reduce sealed face wearing and tearing, the abrasion resistance is improved, prevent bursting.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

FIG. 2 is a schematic side view of the present invention;

fig. 3 is an enlarged partial sectional view of the utility model at a in fig. 1;

FIG. 4 is a schematic side view of the valve core of the present invention;

fig. 5 is a schematic side view of the sealing member of the present invention.

In the figure: 1. a dust-proof structure; 101. opening and closing a hand wheel; 102. a dust-proof shell; 103. a first gear; 104. a second gear; 105. a rotating rod; 106. a bearing seat; 2. a valve stem; 3. an upper valve seat; 4. a valve body; 5. a connecting flange; 6. a flow channel; 7. an anti-wear structure; 701. a seal recess; 702. a gasket; 703. a spring; 704. cushion blocks; 8. a lower valve seat; 9. installing a bolt; 10. a valve core; 11. a hollow cavity; 12. a seal member; 13. a gasket; 14. an O-shaped ring; 15. a filler; 16. and (7) pressing the cover.

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.

Example 1: referring to fig. 1-5, a leakproof sewer pipe network ball valve comprises a valve body 4 and an upper valve seat 3, wherein the upper valve seat 3 is arranged at the top end of the valve body 4, a dustproof structure 1 is arranged at the top end of the upper valve seat 3, a gland 16 is arranged at the top end inside the upper valve seat 3, a valve rod 2 is arranged inside the gland 16, a packing 15 is arranged at the middle position of the valve rod 2, an O-ring 14 is arranged at the bottom end of the packing 15, flow channels 6 are arranged at two sides inside the valve body 4, connecting flanges 5 are respectively arranged at two sides of the flow channels 6, an anti-abrasion structure 7 is arranged at the bottom end inside the valve body 4, a lower valve seat 8 is arranged at the bottom end of the valve body 4, mounting bolts 9 are fixedly connected to two sides of the lower valve seat 8, the bottom end of the valve rod 2 extends to the inside the valve body 4, and a sealing structure is arranged between the flow channels 6;

referring to fig. 1-5, the leakproof ball valve for the sewer pipe network further comprises a sealing structure, the sealing structure comprises a valve core 10, the valve core 10 is fixedly connected to the bottom end of the valve rod 2, a hollow cavity 11 is arranged inside the valve core 10, sealing elements 12 are respectively arranged on two sides of the valve core 10, and a gasket 13 is bonded outside the sealing elements 12;

two groups of sealing elements 12 are arranged and are parallel to each other, and the sealing elements 12 are symmetrically distributed about a perpendicular line of the valve rod 2;

specifically, as shown in fig. 1, fig. 2, fig. 4 and fig. 5, since the volume of the sewer pipe network ball valve is often large and the sealing effect is not good, a gasket 13 is adhered to the exterior of the sealing member 12 to prevent the sealing member 12 from striking the inner wall of the valve body 4 to cause a gap due to an overlarge impact force of water flow, so as to improve the sealing effect, the hollow cavity 11 is changed from a traditional circular passage into a cavity passage with one end being conical and the other end gradually extending to form an arc shape, when the valve core 10 needs to be opened in a closed state, the switch hand wheel 101 is rotated clockwise, the valve core 10 rotates, water flow enters the hollow cavity 11 from the conical position, along with the rotation, the flow area is gradually increased until the hollow cavity 11 with the arc edge coincides with the sealing member 12, the flow rate is reduced, the instant impact of the valve opening is reduced, otherwise, when the valve needs to be closed in an open state, the switch hand wheel 101 is rotated counterclockwise, and the effect is the same as above, so as the sealing failure caused by impact damage can be reduced, further improve the sealing effect and prevent the outflow of sewage.

Example 2: the dustproof structure 1 comprises a switch handwheel 101, a dustproof shell 102, a first gear 103, a second gear 104, a rotating rod 105 and a bearing seat 106, wherein the dustproof shell 102 is fixedly connected to the top end of an upper valve seat 3, one side of the inner wall of the dustproof shell 102 is fixedly connected with the bearing seat 106, the rotating rod 105 is movably connected between the bearing seat 106 and the dustproof shell 102, the other side of the rotating rod 105 extends to the outside of the dustproof shell 102 and is fixedly connected with the switch handwheel 101, the outside of the rotating rod 105 is fixedly sleeved with the first gear 103, the bottom end of the first gear 103 is meshed with the second gear 104, and the bottom end of the second gear 104 is fixedly connected with the top end of a valve rod 2;

the dustproof shell 102 is fixedly connected with the upper valve seat 3 through bolts, the first gears 103 are the same in size and are vertical to each other, and a dustproof ring is arranged at the movable connection position of the other side of the rotating rod 105 and the dustproof shell 102;

specifically, as shown in fig. 1, fig. 2 and fig. 4, the ball valve is of a manual type, and is in a long-term opening state, because the ball valve is installed underground, dust is distributed over the manual execution unit, and it is easy to block the manual execution unit, and it is hard to use and the switch is not smooth and easy to rust when needing manual closing, so the dust-proof shell 102 is provided, and dust is prevented from falling in, the top end fixedly connected with second gear 104 of the valve rod 2, the switch handwheel 101 is rotated, the rotating rod 105 rotates inside the dust-proof shell 102, a dust-proof ring is provided at the joint of the dust-proof shell 102 and the rotating rod 105, and it is prevented that dust corrosion causes unsmooth rotation, the first gear 103 is meshed with the second gear 104, the torque is transmitted and the rotation direction is changed, and the second gear 104 drives the valve rod 2 and the valve core 10 to rotate ninety degrees, so that the ball valve can be closed.

Example 3: the anti-abrasion structure 7 consists of a sealing recess 701, a gasket 702, a spring 703 and a cushion block 704, wherein the sealing recess 701 is arranged at the bottom end inside the valve body 4, the gasket 702 is arranged between the top end of the sealing recess 701 and the bottom end of the valve core 10, the spring 703 is fixedly connected between the bottom end of the gasket 702 and the sealing recess 701, and the cushion block 704 is arranged between the valve core 10 and two sides of the top end of the inner wall of the valve body 4;

seven groups of springs 703 are arranged, the springs 703 are distributed at equal intervals, and the concave radian of the top end of the gasket 702 is matched with that of the valve core 10;

specifically, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, when sewage circulates in a sewage pipe network, due to different temperatures, expansion or contraction of internal parts is often caused after entering the flow channel 6, and the top end and the bottom end of the sealing surface of the valve element 10 are easily abraded due to expansion, so that a cushion block 704 is arranged between the top end of the valve element 10 and the inner wall of the valve body 4, a gasket 702 is arranged between the bottom end of the valve element 10 and the inner wall of the valve body 4, the spring 703 contracts, and the cushion block 704 can be deformed and restored after being extruded, thereby reducing hard friction between the valve element 10 and the inner wall of the valve body 4, reducing abrasion of the sealing surface, improving abrasion resistance, and preventing burst.

The working principle is as follows: when the utility model is used, firstly, the ball valve installed on the underground sewage pipe network is in a long-term open state, and is tightly connected with the pipeline through the connecting flange 5, and is installed on the fixing frame through the lower valve seat 8 and the mounting bolt 9, the water flow circulates from the hollow cavity 11 of the flow channel 6 and the valve core 10, when needing to be manually closed, the switch hand wheel 101 is rotated, the rotating rod 105 rotates in the dustproof shell 102, the connecting part of the dustproof shell 102 and the rotating rod 105 is provided with the dustproof ring to prevent the dust corrosion from causing the unsmooth rotation, the first gear 103 is meshed with the second gear 104 to drive the valve rod 2 and the valve core 10 to rotate ninety degrees to close the ball valve, the dustproof shell 102 can be disassembled to be conveniently cleaned and maintained, the hollow cavity 11 is changed into a cavity path with one end being conical and the other end extending gradually to form an arc shape, the switch hand wheel 101 is rotated clockwise to open the ball valve, the valve core 10 rotates, the water flow firstly enters the hollow cavity 11 from the conical part, along with the rotation, the circulating area is gradually increased until the hollow cavity 11 with the arc edge coincides with the sealing element 12, the flow speed is reduced, the instant impact of the valve opening is reduced, the switch hand wheel 101 is rotated anticlockwise to close the ball valve, the effect is the same as above, the sealing failure caused by impact damage can be reduced, the sewage is prevented from flowing outwards, when the sewage circulates in a sewage pipe network, due to different temperatures, the expansion or contraction of internal parts can be caused after entering the flow channel 6, the top end and the bottom end of the sealing surface of the valve core 10 are easy to be abraded due to expansion, if the valve core 10 expands, the spring 703 is contracted due to extrusion during the rotation, the gasket 702 is pressed downwards, the cushion block 704 is extruded, the hard friction between the valve core 10 and the inner wall of the valve body 4 is reduced, the deformation and the reduction of the parts after the valve core 10 is contracted are reduced, the abrasion of the sealing surface is reduced, and the explosion and the contraction cracking is prevented.

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 (7)

1. The utility model provides a prevent sewer pipe network ball valve of leaking, includes valve body (4) and last disk seat (3), its characterized in that: the top of the valve body (4) is provided with an upper valve seat (3), the top of the upper valve seat (3) is provided with a dustproof structure (1), the top of the inner part of the upper valve seat (3) is provided with a gland (16), the inner part of the gland (16) is provided with a valve rod (2), the middle position of the valve rod (2) is provided with a filler (15), the bottom of the filler (15) is provided with an O-shaped ring (14), the two sides of the inner part of the valve body (4) are provided with runners (6), the two sides of the runners (6) are respectively provided with a connecting flange (5), the bottom of the inner part of the valve body (4) is provided with an anti-abrasion structure (7), the bottom of the valve body (4) is provided with a lower valve seat (8), the two sides of the lower valve seat (8) are fixedly connected with mounting bolts (9), and the bottom of the valve rod (2) extends to the inner part of the valve body (4), and a sealing structure is arranged between the flow passages (6).

2. A leak resistant sewer network ball valve as set forth in claim 1, wherein: the sealing structure comprises a valve core (10), wherein the valve core (10) is fixedly connected to the bottom end of the valve rod (2), a hollow cavity (11) is formed in the valve core (10), sealing elements (12) are arranged on two sides of the valve core (10) respectively, and a gasket (13) is bonded to the outer portion of each sealing element (12).

3. A leak resistant sewer network ball valve as set forth in claim 2, wherein: the sealing elements (12) are arranged in two groups and are parallel to each other, and the sealing elements (12) are symmetrically distributed relative to a perpendicular line of the valve rod (2).

4. A leak resistant sewer network ball valve as set forth in claim 1, wherein: dustproof construction (1) is by switch hand wheel (101), dust shell (102), first gear (103), second gear (104), bull stick (105) and bearing frame (106), dust shell (102) fixed connection is on the top of last disk seat (3), one side fixedly connected with bearing frame (106) of dust shell (102) inner wall, swing joint has bull stick (105) between bearing frame (106) and dust shell (102), the other side of bull stick (105) extends to the outside and fixedly connected with switch hand wheel (101) of dust shell (102), first gear (103) have been cup jointed to the external fixation of bull stick (105), the bottom meshing of first gear (103) has second gear (104), the bottom of second gear (104) and the top fixed connection of valve rod (2).

5. A leak resistant sewer network ball valve as set forth in claim 4, wherein: dustproof shell (102) pass through bolt and last disk seat (3) fixed connection, first gear (103) the same and mutually perpendicular of size, the opposite side of bull stick (105) is provided with the dust ring with the swing joint department of dustproof shell (102).

6. A leak resistant sewer network ball valve as set forth in claim 1, wherein: the anti-abrasion structure (7) is composed of a sealing recess (701), a gasket (702), a spring (703) and a cushion block (704), the sealing recess (701) is arranged at the bottom end inside the valve body (4), the gasket (702) is arranged between the top end of the sealing recess (701) and the bottom end of the valve core (10), the spring (703) is fixedly connected between the bottom end of the gasket (702) and the sealing recess (701), and the cushion block (704) is arranged between two sides of the top end of the inner wall of the valve core (10) and the valve body (4).

7. A leak resistant sewer network ball valve as set forth in claim 6, wherein: seven groups of springs (703) are arranged, the springs (703) are distributed at equal intervals, and the concave radian of the top end of the gasket (702) is matched with the valve core (10).

Images