CN210510346U

CN210510346U - Floating ball valve with good sealing effect

Info

Publication number: CN210510346U
Application number: CN201920721980.2U
Authority: CN
Inventors: 林少燕; 陈奥特
Original assignee: Shanghai Lusheng Information Technology Co Ltd
Current assignee: Shanghai Lusheng Information Technology Co Ltd
Priority date: 2019-05-20
Filing date: 2019-05-20
Publication date: 2020-05-12
Anticipated expiration: 2029-05-20

Abstract

The utility model discloses a sealed effectual ball valve that floats, including box body and ball valve, the both ends intercommunication of box body has the connecting pipe, the interior bottom of box body is fixed with the bottom block, the top of bottom block is seted up flutedly, the ball valve is located the inside of recess, the mounting groove has been seted up on the surface of ball valve, the inside of mounting groove is fixed with sealed the pad, the opening has been seted up at the top of ball valve, spacing chamber has been seted up at the bottom of the hole of opening, the inside in spacing chamber is equipped with the horizontal pole, the top activity of box body runs through there is the connecting rod, the bottom of connecting rod runs through in the opening, and the bottom and the horizontal pole of connecting rod are fixed mutually. The utility model discloses when liquid pressure is great, the leakproofness of this ball valve that floats and liquid pressure direct ratio for have certain buffer power simultaneously, increase the impact resistance of ball valve that floats, when pressure is less in addition, also can guarantee that this ball valve that floats is in airtight state, have good practical meaning.

Description

Floating ball valve with good sealing effect

Technical Field

The utility model relates to a ball valve technical field that floats especially relates to a sealed effectual ball valve that floats.

Background

The spheroid of ball valve that floats is unsteady, and under the medium pressure effect, the spheroid can produce certain displacement and sticiss on the sealed face of exit end, guarantees that the exit end is sealed, and the valve block of the ball valve that floats of current nevertheless is hard material usually, does not have the resiliency, and valve block and export laminating are difficult to inseparable in addition, and the leakproofness is relatively poor, and local liquid pressure is less in addition, can't accomplish closely to seal, still probably takes place the seepage, and sealed effect is not good.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a floating ball valve with good sealing effect.

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

a floating ball valve with good sealing effect comprises a box body and a ball valve, wherein two ends of the box body are communicated with connecting pipes, a bottom block is fixed at the inner bottom of the box body, a groove is formed in the top of the bottom block, the ball valve is positioned inside the groove, a mounting groove is formed in the surface of the ball valve, a sealing gasket is fixed inside the mounting groove, an opening is formed in the top of the ball valve, a limiting cavity is formed in the hole bottom of the opening, a cross rod is arranged inside the limiting cavity, a connecting rod movably penetrates through the top of the box body, the bottom end of the connecting rod penetrates through the opening, the bottom end of the connecting rod is fixed with the cross rod, a handle is fixed at the top end of the connecting rod, a top block and a connecting plate are arranged at the inner top of the box body, the bottom end of the connecting plate is fixed with the top block, a movable, the threaded hole is characterized in that a screw rod is connected to the inner thread of the threaded hole, a rocker is fixed to the top of the threaded hole, supporting rods are fixed to four corners of the bottom of the movable plate, the bottom end of each supporting rod penetrates through the top of the box body in a movable mode, the bottom end of each supporting rod is fixed to the connecting plate, a round hole groove is formed in the top of the box body, a limiting groove is formed in the inner wall of the round hole groove, a limiting ring is arranged inside the limiting groove, and the limiting ring is fixed to the bottom end of the screw rod.

Preferably, the groove is a spherical groove, and the inner surface of the groove is a smooth surface.

Preferably, the number of the movable plates is two, and the two movable plates are respectively located on two sides of the connecting rod.

Preferably, the installation groove is an annular groove and is positioned outside the plane of the ball valve.

Preferably, the limiting cavity is perpendicular to the through opening, the limiting cavity is a long strip-shaped cavity, and the length of the limiting cavity is greater than that of the cross rod.

Preferably, the side of kicking block is the arcwall face, the quantity of kicking block is two, two the kicking block is located the both sides of connecting rod respectively.

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

1. the utility model discloses in through setting up bottom block, recess, ball valve, mounting groove, sealed pad, opening, spacing chamber, horizontal pole, connecting rod, barre and kicking block for this ball valve that floats when using, under the pressure effect of liquid, certain removal can take place for the ball valve is sealed inseparabler of laminating, has certain resiliency simultaneously, can bear bigger hydraulic pressure, and the leakproofness is better.

2. The utility model discloses in through setting up connecting plate, fly leaf, screw thread mouth, screw rod, bracing piece, round hole groove, spacing ring and rocker, can be through applying external force to the ball valve that floats for this ball valve that floats also can accomplish closely to seal under the less condition of rivers, has further strengthened the leakproofness of this ball valve that floats.

In conclusion, when the liquid pressure is high, the sealing degree of the floating ball valve is in direct proportion to the liquid pressure, and meanwhile the floating ball valve has certain buffer force, so that the impact resistance of the floating ball valve is increased, and in addition, when the pressure is low, the floating ball valve can be ensured to be in a closed state, and the floating ball valve has good practical significance.

Drawings

Fig. 1 is a schematic cross-sectional structural view of a floating ball valve with good sealing effect provided by the present invention;

fig. 2 is an enlarged view of a portion a in fig. 1 according to the present invention.

In the figure: the device comprises a box body 1, a connecting pipe 2, a bottom block 3, a groove 4, a ball valve 5, a mounting groove 6, a sealing gasket 7, an opening 8, a limiting cavity 9, a cross rod 10, a connecting rod 11, a rod 12, a top block 13, a connecting plate 14, a movable plate 15, a threaded port 16, a screw rod 17, a supporting rod 18, a circular hole groove 19, a limiting groove 20, a limiting ring 21 and a rocker 22.

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.

Referring to fig. 1-2, a floating ball valve with good sealing effect comprises a box body 1 and a ball valve 5, wherein two ends of the box body 1 are communicated with a connecting pipe 2, a bottom block 3 is fixed at the inner bottom of the box body 1, a groove 4 is formed in the top of the bottom block 3, the ball valve 5 is positioned inside the groove 4, the ball valve 5 is matched with the groove 4, a mounting groove 6 is formed in the surface of the ball valve 5, a sealing gasket 7 is fixed inside the mounting groove 6, an opening 8 is formed in the top of the ball valve 5, a limiting cavity 9 is formed in the bottom of the opening 8, a cross rod 10 is arranged inside the limiting cavity 9, a connecting rod 11 movably penetrates through the top of the box body 1, the bottom end of the connecting rod 11 penetrates through the opening 8, the bottom end of the connecting rod 11 is fixed with the cross rod 10, a handle 12 is fixed at the top end of the connecting rod 11, a top block 13 and, the top of box body 1 is equipped with fly leaf 15, screw thread mouth 16 has been seted up at the middle part of fly leaf 15, the inside threaded connection of screw thread mouth 16 has screw rod 17, the top of screw rod 17 is fixed with rocker 22, the bottom of screw rod 17 is the semicircle sphere, four corners of the bottom of fly leaf 15 all are fixed with bracing piece 18, the bottom activity of bracing piece 18 runs through in the top of box body 1, and the bottom of bracing piece 18 is fixed mutually with connecting plate 14, round hole groove 19 has been seted up at the top of box body 1, spacing groove 20 has been seted up to the inner wall of round hole groove 19, the inside of spacing groove 20 is equipped with spacing ring 21, spacing ring 21 is fixed mutually with the bottom of screw rod.

Recess 4 is spherical groove, recess 4's inslot surface is the smooth surface, the quantity of fly leaf 15 is two, two fly leaves 15 are located the both sides of connecting rod 11 respectively, it is the ring channel to be equipped with mounting groove 6, mounting groove 6 is located the plane outside of ball valve 5, spacing chamber 9 is mutually perpendicular with opening 8, spacing chamber 9 is rectangular shape cavity, the length of spacing chamber 9 is greater than the length of horizontal pole 10, the side of kicking block 13 is the arcwall face, the quantity of kicking block 13 is two, two kicking blocks 13 are located the both sides of connecting rod 11 respectively.

The working principle is as follows: rotate during the use and make the horizontal pole 10 fixed mutually with connecting rod 11 drive ball valve 5 and rotate ninety degrees, whole ball valve that floats this moment is in airtight state, make sealed 7 of filling up tightly with the bottom block 3 simultaneously under the pressure of liquid, kicking block 13 laminates mutually, horizontal pole 10 takes place the displacement in spacing chamber 9 simultaneously, then rotate rocker 22 and make screw rod 17 begin to rotate, the fly leaf 15 exerts pressure decurrent pressure to connecting plate 14 through bracing piece 18 this moment, thereby make kicking block 13 inseparabler with the ball valve contact, thereby strengthen this sealed effect of ball valve that floats.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The floating ball valve with good sealing effect comprises a box body (1) and a ball valve (5), and is characterized in that two ends of the box body (1) are communicated with connecting pipes (2), a bottom block (3) is fixed at the inner bottom of the box body (1), a groove (4) is formed in the top of the bottom block (3), the ball valve (5) is located inside the groove (4), a mounting groove (6) is formed in the surface of the ball valve (5), a sealing gasket (7) is fixed inside the mounting groove (6), an opening (8) is formed in the top of the ball valve (5), a limiting cavity (9) is formed in the hole bottom of the opening (8), a cross rod (10) is arranged inside the limiting cavity (9), a connecting rod (11) penetrates through the top of the box body (1) in a movable manner, the bottom end of the connecting rod (11) penetrates through the opening (8), and the bottom end of the connecting rod (11) is fixed with the cross rod (10, a handle rod (12) is fixed at the top end of the connecting rod (11), a top block (13) and a connecting plate (14) are arranged at the inner top of the box body (1), the bottom end of the connecting plate (14) is fixed with the top block (13), a movable plate (15) is arranged at the top of the box body (1), a threaded opening (16) is formed in the middle of the movable plate (15), a screw rod (17) is connected to the inner thread of the threaded opening (16), a rocker (22) is fixed at the top of the screw rod (17), supporting rods (18) are fixed at four corners of the bottom of the movable plate (15), the bottom end of each supporting rod (18) movably penetrates through the top of the box body (1), the bottom end of each supporting rod (18) is fixed with the connecting plate (14), a round hole groove (19) is formed at the top of the box body (1), a limiting groove (20) is formed in the inner wall of the, the inside of spacing groove (20) is equipped with spacing ring (21), spacing ring (21) are fixed mutually with the bottom of screw rod (17).

2. A floating ball valve with a good sealing effect according to claim 1, wherein the recess (4) is a spherical groove, and the inner surface of the groove of the recess (4) is a smooth surface.

3. A floating ball valve with good sealing effect according to claim 1, characterized in that the number of the movable plates (15) is two, and the two movable plates (15) are respectively located at two sides of the connecting rod (11).

4. A floating ball valve with good sealing effect according to claim 1, characterized in that the installation groove (6) is an annular groove, and the installation groove (6) is located outside the plane of the ball valve (5).

5. The floating ball valve with good sealing effect according to claim 1, wherein the limiting cavity (9) is perpendicular to the through opening (8), the limiting cavity (9) is an elongated cavity, and the length of the limiting cavity (9) is greater than that of the cross rod (10).

6. The floating ball valve with good sealing effect according to claim 1, wherein the side surfaces of the top blocks (13) are arc-shaped surfaces, the number of the top blocks (13) is two, and the two top blocks (13) are respectively positioned at two sides of the connecting rod (11).