CN219606104U

CN219606104U - Flushing-resistant ball valve with good sealing performance

Info

Publication number: CN219606104U
Application number: CN202321168400.4U
Authority: CN
Inventors: 李丽施; 李国祥; 李力
Original assignee: SHANGHAI SGOV VALVE GROUP CO Ltd
Current assignee: SHANGHAI SGOV VALVE GROUP CO Ltd
Priority date: 2023-05-16
Filing date: 2023-05-16
Publication date: 2023-08-29
Anticipated expiration: 2033-05-16

Abstract

The utility model discloses a scour-resistant ball valve with good sealing performance, and particularly relates to the field of ball valves, which comprises a scour-resistant ball valve core, wherein a valve rod extending to the top is arranged in the scour-resistant ball valve core, a valve body is fixed on the outer side of the scour-resistant ball valve core, and a connecting sleeve is arranged on the outer side of the scour-resistant ball valve core; the sealing and reinforcing device is arranged, so that the connecting part of the valve body can be reinforced, the sealing performance of the connecting part of the valve body can be effectively improved under the condition that the normal installation of the valve core of the flushing-resistant ball valve and the valve body is not influenced, the problems of water leakage and sealing performance influence can be avoided, and the aim of good sealing performance is fulfilled; the device is provided with the visual device for sealing, when the flange is connected to the outer side of the valve body, the visual effect of the installation part of the valve body is convenient to operate, an operator can infer that a gap is reserved at the connection part of the valve body after observing the visual block, the problem of poor sealing performance exists, and the valve body can be maintained in time.

Description

Flushing-resistant ball valve with good sealing performance

Technical Field

The utility model relates to the technical field of ball valves, in particular to a flushing-resistant ball valve with good sealing performance.

Background

The ball valve is a valve which is driven by a valve rod and rotates around the axis of the ball valve, and can also be used for regulating and controlling fluid, the multi-way ball valve can flexibly control the confluence, the diversion and the flow direction switching of media on a pipeline, and simultaneously can also close any channel to connect the other two channels, so that the scour resistant ball valve is one of the ball valves;

the Chinese patent discloses a scour resistant ball valve (CN 207961622U), which comprises a valve body, wherein a valve core is arranged in the valve body, the valve core is spherical, a through hole is arranged on the valve core in a penetrating way, and the diameter of an opening at one end of the through hole is larger than that at the other end of the through hole; the upper part of the valve body is provided with a connecting rotating shaft, and the lower end of the connecting rotating shaft is fixedly connected with the valve core through a steering connecting groove. The utility model can effectively protect the valve body and prolong the service life of the ball valve;

however, in the use process of the erosion-resistant ball valve, the valve body is generally provided with a flange for connection and fixation, but the flange is generally connected by bolts, so that the problems of water leakage and influence on the tightness are easy to occur; accordingly, those skilled in the art provide a flush resistant ball valve with good sealing to address the problems set forth in the background above.

Disclosure of Invention

The utility model aims to provide a scour-resistant ball valve with good sealing performance so as to solve the problems in the prior art.

In order to solve the technical problems, the utility model provides the following technical scheme: the anti-scouring ball valve with good sealing performance comprises an anti-scouring ball valve core, wherein a valve rod extending to the top is arranged in the anti-scouring ball valve core, a valve body is fixed on the outer side of the anti-scouring ball valve core, a connecting sleeve is arranged on the outer side of the anti-scouring ball valve core, a connecting bolt is arranged on the outer side of the connecting sleeve, a sealing reinforcing device is movably sleeved on the outer side of the valve body, and a visual device for sealing extending to the outer side is arranged in the valve body.

As still further aspects of the utility model: the sealing and reinforcing device comprises an outer shell body, a mounting bolt extending into the inner part of the outer shell body is movably inserted in the outer side of the outer shell body, a connecting pad is movably sleeved on the outer side of the mounting bolt, a connecting nut is connected to the outer side of the mounting bolt in a threaded mode, a movable sleeve is fixed at one end of the mounting bolt, a sealing and reinforcing sleeve is arranged on one side of the movable sleeve, a mounting sleeve is fixedly embedded in the outer shell body, and a reset spring is arranged on the inner wall of one side of the mounting sleeve.

As still further aspects of the utility model: one end of the reset spring is fixed with a limit pad, one side of the limit pad is provided with a connecting rod, and one side inner wall of the mounting sleeve is provided with a limit sleeve.

As still further aspects of the utility model: the inside swing joint of stop collar has the gag lever post that extends to the outside, the one end of gag lever post is fixed with the limiting plate, the one end of gag lever post with fixed connection between the spacing pad, sealed reinforcement cover activity cup joints is being the outside of valve body.

As still further aspects of the utility model: the sealing visual device comprises a fixed sleeve, a first sliding block is connected to the inside of the fixed sleeve in a sliding manner, a first magnet block is fixed to one side of the first sliding block, a second sliding block is connected to the inside of the fixed sleeve in a sliding manner, a second magnet block is fixed to one side of the second sliding block, a movable frame is fixed to the outer sides of the first magnet block and the second magnet block, a rotating frame is connected to the movable frame in a rotating manner through a rotating shaft, and a visual block is connected to one end of the rotating frame in a rotating manner through the rotating shaft.

As still further aspects of the utility model: the magnetic poles of the corresponding surfaces between the first magnet block and the second magnet block are opposite in direction, and the fixing sleeve is embedded and fixed in the valve body.

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

1. the sealing reinforcement device is arranged, when the flange at the outer side of the valve body is connected, the sealing reinforcement sleeve is stably sleeved at the outer side of the flange at the corresponding connecting position of the valve body, the connecting position of the valve body can be reinforced, the sealing performance of the connecting position of the valve body can be effectively improved under the condition that the normal installation of the valve core of the flushing-resistant ball valve and the valve body is not influenced, the problems of water leakage and sealing performance influence can be avoided, and the aim of good sealing performance is fulfilled;

2. the device is provided with the visual device for sealing, when the flange is connected to the outer side of the valve body, the visual effect of the installation part of the valve body is convenient to operate, an operator can infer that a gap is reserved at the connection part of the valve body after observing the visual block, the problem of poor sealing performance exists, and the valve body can be maintained in time.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a front view of the present utility model;

FIG. 2 is a schematic view of the seal reinforcement device of the present utility model;

FIG. 3 is an enlarged schematic view of area A of FIG. 2 in accordance with the present utility model;

FIG. 4 is a schematic view showing the structure of a visual device for sealing according to the present utility model;

in the figure: 1. flushing-resistant ball valve core; 2. a valve stem; 3. a valve body; 4. connecting sleeves; 5. a connecting bolt; 6. sealing and reinforcing device; 61. an outer housing; 62. installing a bolt; 63. a connection pad; 64. a coupling nut; 65. a moving sleeve; 66. sealing and reinforcing the sleeve; 67. a mounting sleeve; 68. a return spring; 69. a limit pad; 610. a connecting rod; 611. a limit sleeve; 612. a limit rod; 613. a limiting plate; 7. a visual device for sealing; 71. a fixed sleeve; 72. a first slider; 73. a first magnet block; 74. a moving rack; 75. a rotating frame; 76. visual block; 77. a second slider; 78. and a second magnet block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the utility model provides a flushing-resistant ball valve with good sealing performance, which comprises a flushing-resistant ball valve core 1, wherein a valve rod 2 extending to the top is arranged in the flushing-resistant ball valve core 1, a valve body 3 is fixed on the outer side of the flushing-resistant ball valve core 1, a connecting sleeve 4 is arranged on the outer side of the flushing-resistant ball valve core 1, a connecting bolt 5 is arranged on the outer side of the connecting sleeve 4, a sealing reinforcing device 6 is movably sleeved on the outer side of the valve body 3, and a sealing visual device 7 extending to the outer side is arranged in the valve body 3;

the seal reinforcing device 6 comprises an outer shell 61, a mounting bolt 62 extending to the inside of the outer shell 61 is movably inserted in the outer side of the outer shell 61, a connecting pad 63 is movably sleeved on the outer side of the mounting bolt 62, a connecting nut 64 is connected to the outer side of the mounting bolt 62 in a threaded mode, a movable sleeve 65 is fixed to one end of the mounting bolt 62, a seal reinforcing sleeve 66 is arranged on one side of the movable sleeve 65, a mounting sleeve 67 is fixedly embedded in the outer shell 61, a reset spring 68 is arranged on the inner wall of one side of the mounting sleeve 67, a limit pad 69 is fixed to one end of the reset spring 68, a connecting rod 610 is arranged on one side of the limit pad 69, a limit sleeve 611 is mounted on the inner wall of one side of the mounting sleeve 67, a limit rod 612 extending to the outer side is movably connected to the inner side of the limit sleeve 611, a limit plate 613 is fixed to one end of the limit rod 612, one end of the limit rod 612 is fixedly connected with the limit pad 69, and the seal reinforcing sleeve 66 is movably sleeved on the outer side of the valve body 3.

In the use of the device, when the flange on the outer side of the valve body 3 is connected, the mounting bolt 62 can be pulled to drive the movable sleeve 65 and the sealing reinforcement sleeve 66 to move, then the sealing reinforcement sleeve 66 is sleeved on the outer side of the flange on the corresponding connection part of the valve body 3, after the mounting bolt 62 is loosened, the limit pad 69 is pushed by the corresponding reset spring 68 in the mounting sleeve 67 to move, one end of the connecting rod 610 can push the sealing reinforcement sleeve 66 to move, the sealing reinforcement sleeve 66 is stably sleeved on the outer side of the flange on the corresponding connection part of the valve body 3, the connection part of the valve body 3 can be reinforced, the sealing performance of the connection part of the valve body 3 can be effectively improved under the condition that the normal installation of the flushing-resistant ball valve core 1 and the valve body 3 is not influenced, the problems of water leakage and sealing performance are avoided, and the aim of good sealing performance is achieved.

Referring to fig. 1 and 4, the utility model provides a flushing-resistant ball valve with good sealing performance, the visual device 7 for sealing comprises a fixed sleeve 71, a first sliding block 72 is slidingly connected in the fixed sleeve 71, a first magnet block 73 is fixedly arranged on one side of the first sliding block 72, a second sliding block 77 is slidingly connected in the fixed sleeve 71, a second magnet block 78 is fixedly arranged on one side of the second sliding block 77, a movable frame 74 is fixedly arranged on the outer sides of the first magnet block 73 and the second magnet block 78, the movable frame 74 is rotatably connected with a rotating frame 75 through a rotating shaft, one end of the rotating frame 75 is rotatably connected with a visual block 76 through the rotating shaft, the magnetic pole directions of corresponding surfaces between the first magnet block 73 and the second magnet block 78 are opposite, and the fixed sleeve 71 is embedded and fixed in the valve body 3.

In the use of the device, when the flange is connected to the outer side of the valve body 3, the magnetic pole directions of the corresponding surfaces between the second magnet block 78 and the first magnet block 73 are opposite, so that the magnetic pole directions can be attracted to each other, when the first magnet block 73 and the second magnet block 78 are close to each other, the first slider 72 and the second slider 77 can slide in a chute preset by the fixed sleeve 71, one end of the rotating frame 75 is driven to move through the moving frame 74, the rotating frame 75 can drive the visual block 76 to eject out, after the visual block 76 is ejected to the outer side of the valve body 3, the operation of the sealing effect of the installation position of the visual valve body 3 can be facilitated, an operator can infer that a gap is reserved at the connection position of the valve body 3 after observing the visual block 76, the problem of poor sealing performance exists, and timely maintenance can be performed.

Standard parts used in the document of the utility model can be purchased from market, and can be customized according to the description of the specification and the drawing, the specific connection modes of the parts adopt conventional means such as mature bolts, rivets, welding and the like in the prior art, and the machines, the parts and the equipment adopt conventional models in the prior art.

Finally, it should be noted that: the above is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that the present utility model is described in detail with reference to the foregoing embodiments, and modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a scour resistant ball valve that leakproofness is good, includes scour resistant ball valve case (1), its characterized in that, the inside of scour resistant ball valve case (1) is provided with valve rod (2) that extend to the top, the outside of scour resistant ball valve case (1) is fixed with valve body (3), adapter sleeve (4) are installed in the outside of scour resistant ball valve case (1), the outside of adapter sleeve (4) is provided with connecting bolt (5), sealed reinforcing apparatus (6) have been cup jointed in the outside activity of valve body (3), the inside of valve body (3) is provided with and extends to sealed with visualization device (7) in the outside.

2. The flushing-resistant ball valve with good sealing performance according to claim 1, wherein the sealing and reinforcing device (6) comprises an outer shell (61), a mounting bolt (62) extending to the inside of the outer shell (61) is movably inserted in the outer side of the outer shell (61), a connecting pad (63) is movably sleeved on the outer side of the mounting bolt (62), a connecting nut (64) is connected with the outer side of the mounting bolt (62) in a threaded manner, a movable sleeve (65) is fixed at one end of the mounting bolt (62), a sealing and reinforcing sleeve (66) is arranged on one side of the movable sleeve (65), a mounting sleeve (67) is fixedly embedded in the outer shell (61), and a reset spring (68) is arranged on the inner wall of one side of the mounting sleeve (67).

3. The flushing-resistant ball valve with good sealing performance according to claim 2, wherein one end of the return spring (68) is fixed with a limit pad (69), one side of the limit pad (69) is provided with a connecting rod (610), and one side inner wall of the mounting sleeve (67) is provided with a limit sleeve (611).

4. The flushing-resistant ball valve with good sealing performance according to claim 3, wherein a limiting rod (612) extending to the outer side is movably connected in the limiting sleeve (611), a limiting plate (613) is fixed at one end of the limiting rod (612), one end of the limiting rod (612) is fixedly connected with the limiting pad (69), and the sealing reinforcing sleeve (66) is movably sleeved on the outer side of the valve body (3).

5. The flushing-resistant ball valve with good sealing performance according to claim 1, wherein the visual device (7) for sealing comprises a fixed sleeve (71), a first sliding block (72) is connected inside the fixed sleeve (71) in a sliding manner, a first magnet block (73) is fixed on one side of the first sliding block (72), a second sliding block (77) is connected inside the fixed sleeve (71) in a sliding manner, a second magnet block (78) is fixed on one side of the second sliding block (77), movable frames (74) are respectively fixed on the outer sides of the first magnet block (73) and the second magnet block (78), a rotating frame (75) is connected to the movable frames (74) in a rotating manner through a rotating shaft, and visual blocks (76) are connected to one end of the rotating frame (75) in a rotating manner through the rotating shaft.

6. The flushing-resistant ball valve with good sealing performance according to claim 5, wherein the magnetic pole directions of the corresponding surfaces between the first magnet block (73) and the second magnet block (78) are opposite, and the fixing sleeve (71) is embedded and fixed in the valve body (3).