CN214197260U

CN214197260U - Novel stop valve

Info

Publication number: CN214197260U
Application number: CN202022776965.3U
Authority: CN
Inventors: 杨广福
Original assignee: Tianjin Fudeshi Valve Co ltd
Current assignee: Tianjin Fudeshi Valve Co ltd
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-09-14
Anticipated expiration: 2030-11-26

Abstract

The utility model discloses a novel stop valve, which comprises a valve body, the valve body upper wall is equipped with can the pivoted valve rod, the valve rod lower extreme extends to in the valve body, valve rod lower extreme fixed connection has the valve clack, the valve body inner wall runs through and is equipped with the through-hole, the inner wall that the valve body is close to the water inlet is equipped with the spacing groove, the spacing inslot is equipped with the filter screen, the valve body inner wall is equipped with sealing mechanism, be equipped with fixed establishment on the valve body lateral wall. The utility model discloses an gasbag inflation, and then when the valve clack gets into in the through-hole, gasbag and valve clack in close contact with improve the device's leakproofness, can cut off water completely, can also prevent that impurity from getting into the jam that causes the valve body in the valve body, and easy operation, the staff of being convenient for is to the dismantlement installation of filter screen.

Description

Novel stop valve

Technical Field

The utility model relates to a stop valve technical field especially relates to a novel stop valve.

Background

The stop valve is also called as cut-off valve, belonging to forced sealing type valve, the opening and closing member of the stop valve is a plug-shaped valve flap, the upper surface of the seal is a plane or sea cone surface, and the valve flap makes linear motion along the central line of the valve seat. The movement form of the valve rod, also a lifting rotating rod type, can be used for controlling the flow of various types of fluid such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like.

Current stop valve is when closing, only plugs up the through-hole through the valve clack, it is inseparable to have the laminating between valve clack and the through-hole inner wall, it is not good to lead to the device's sealed effect, lead to water to flow from the gap between valve clack and the through-hole, thereby make the device can not block rivers completely, impurity can exist in the aquatic moreover, do not have the device that can filter impurity on the current stop valve, lead to in the impurity admission valve body, block up the valve body easily, so, need design a novel stop valve and solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a novel stop valve.

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

the utility model provides a novel stop valve, includes the valve body, the valve body upper wall is equipped with can the pivoted valve rod, the valve rod lower extreme extends to in the valve body, valve rod lower extreme fixed connection has the valve clack, the valve body inner wall runs through and is equipped with the through-hole, the inner wall that the valve body is close to the water inlet is equipped with the spacing groove, the spacing inslot is equipped with the filter screen, the valve body inner wall is equipped with sealing mechanism, be equipped with fixed establishment on the valve body lateral wall.

Preferably, fixed establishment includes the connecting plate of fixed connection in the filter screen upper end, connecting plate upper wall fixedly connected with pull rod, the connecting plate lateral wall is equipped with the draw-in groove, the valve body lateral wall runs through and is equipped with the installing port, the installing port inner wall is equipped with the spout, be equipped with the dwang that can slide in the spout, the dwang extends to in the draw-in groove, the one end fixedly connected with carriage release lever of draw-in groove is kept away from to the dwang, the cross-section of carriage release lever is the rectangle, be equipped with first cavity in the valve body, the first magnet of first cavity inner wall fixedly connected with, the dwang runs through first magnet lateral wall, dwang lateral wall fixedly connected with second magnet, the valve body lateral wall is equipped with the recess, the spout runs through the recess, the recess inner wall rotates and is connected with the carousel, the carousel slides and cup joints on the carriage release lever.

Preferably, sealing mechanism includes the clamp plate of fixed connection at the valve rod lateral wall, the through-hole inner wall is equipped with the mounting groove, mounting groove inner wall fixedly connected with gasbag, gasbag lateral wall intercommunication is equipped with two air ducts, the inner wall that the valve body is close to the through-hole is equipped with two second cavities, two the equal sealing sliding connection of second cavity inner wall has the movable plate, two the movable plate is all through bottom elastic connection in spring and the second cavity, two the equal fixedly connected with depression bar of movable plate upper wall.

Preferably, the two pressure rods extend into the valve body respectively, and the upper ends of the two pressure rods are in contact with the lower wall of the pressure plate.

Preferably, the mounting groove is annular in shape, and the air bag is annular in shape.

Preferably, the rotating disc extends out of the valve body, and the side wall of the rotating disc is provided with teeth for increasing friction force.

The utility model discloses in mainly have following beneficial effect:

1. the utility model drives the pressing plate to move through the valve rod, the pressing plate drives the moving rod, the moving rod drives the moving plate to move, air in the second cavity can be pumped into the air bag, so that the air bag expands, and when the valve clack enters the through hole, the air bag is in close contact with the valve clack, the sealing performance of the device is improved, and water can be completely cut off;

2. the utility model can filter the impurities in the water body by arranging the filter screen, and prevent the impurities from entering the valve body to cause the blockage of the valve body;

3. the utility model discloses a rotate the carousel, the carousel drives the carriage release lever and rotates, the carriage release lever drives the dwang and rotates with second magnet, when the S utmost point of second magnet rotates the top, because like poles of magnet repel each other the effect, make second magnet remove, and then drive the dwang and remove, when the dwang leaves the draw-in groove completely, can take off the filter screen, when installing the filter screen, only need to make the carousel rotate, the carousel drives the carriage release lever, dwang and second magnet rotate, when the S utmost point of second magnet rotates the below, because the opposite poles of magnet attracts each other, make second magnet towards removing, and then drive the dwang and remove, in the dwang inserts the draw-in groove, can be fixed the filter screen, and the operation is simple, the staff of being convenient for installs the dismantlement of filter screen.

Drawings

Fig. 1 is a schematic structural view of a novel stop valve provided by the present invention;

fig. 2 is an enlarged view of a structure at a position a of the novel stop valve provided by the present invention;

fig. 3 is the enlarged view of the structure at B position of the novel stop valve provided by the utility model.

In the figure: 1 valve body, 2 valve rods, 3 valve clacks, 4 pull rods, 5 mounting ports, 6 pressing plates, 7 pressing rods, 8 through holes, 9 filter screens, 10 limiting grooves, 11 connecting plates, 12 grooves, 13 rotating discs, 14 sliding grooves, 15 moving rods, 16 clamping grooves, 17 rotating rods, 18 first cavities, 19 first magnets, 20 second magnets, 21 mounting grooves, 22 air bags, 23 air guide pipes, 24 second cavities and 25 moving plates.

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. 1-3, a novel stop valve, including valve body 1, 1 upper wall of valve body is equipped with can pivoted

valve rod

2, 2 upper ends fixedly connected with hand wheels of valve rod, and 2 lower extremes of valve rod extend to in the valve body 1, 2 lower extremes of valve rod fixedly connected with valve clack 3, and 1 inner wall of valve body runs through and is equipped with through-hole 8, and the inner wall that valve body 1 is close to the water inlet is equipped with spacing groove 10, is equipped with filter screen 9 in the spacing groove 10, can prevent that the impurity of aquatic from getting into in the valve body 1.

The side wall of the valve body 1 is provided with a fixing mechanism, the fixing mechanism comprises a connecting plate 11 fixedly connected to the upper end of the filter screen 9, the upper wall of the connecting plate 11 is fixedly connected with a pull rod 4, the side wall of the connecting plate 11 is provided with a clamping groove 16, the side wall of the valve body 1 is provided with an installation opening 5 in a penetrating way, the inner wall of the installation opening 5 is provided with a sliding groove 14, a sliding rod 17 is arranged in the sliding groove 14, the sliding rod 17 extends into the clamping groove 16, one end of the sliding rod 17 far away from the clamping groove 16 is fixedly connected with a moving rod 15, the section of the moving rod 15 is rectangular, the rotating disc 13 is convenient to drive the moving rod 15 to rotate, a first cavity 18 is arranged in the valve body 1, the inner wall of the first cavity 18 is fixedly connected with a first magnet 19, the sliding rod 17 penetrates through the side wall of the first magnet 19, the side wall of the rotating rod 17 is fixedly connected with a second magnet 20, the side wall of the valve body 1 is provided with a groove 12, the sliding groove 14 penetrates through the groove 12, and is rotatably connected with the rotating disc 13, carousel 13 extends to outside the valve body 1, and carousel 13 lateral wall is equipped with the tooth that is used for increasing frictional force, and the people of being convenient for make carousel 13 rotate, and carousel 13 slides and cup joints on carriage release lever 15.

The inner wall of the valve body 1 is provided with a sealing mechanism, the sealing mechanism comprises a pressing plate 6 fixedly connected with the side wall of the valve rod 2, the inner wall of the through hole 8 is provided with a mounting groove 21, the mounting groove 21 is annular, the airbag 22 is annular to increase the contact area between the airbag 22 and the valve clack 3, the inner wall of the mounting groove 21 is fixedly connected with the airbag 22, the side wall of the airbag 22 is communicated with two air ducts 23, the inner wall of the valve body 1 close to the through hole 8 is provided with two second cavities 24, the inner walls of the two second cavities 24 are respectively connected with a movable plate 25 in a sealing and sliding manner, the two movable plates 25 are respectively and elastically connected with the bottom in the second cavities 24 through springs, so that when the pressing plate 6 moves upwards, the pressing rods 7 move upwards under the action of the elastic force of the springs, the pressing rods 7 are fixedly connected to the upper walls of the two moving plates 25, the two pressing rods 7 extend into the valve body 1 respectively, and the upper ends of the two pressing rods 7 are in contact with the lower wall of the pressing plate 6.

During the use, when the stop valve needs to be closed, only need to rotate the hand wheel, the hand wheel drives the valve rod 2 and rotates, and then make valve rod 2 move down, valve rod 2 drives valve clack 3 and clamp plate 6 downstream, drive depression bar 7 when clamp plate 6 moves down and move, depression bar 7 drives movable plate 25 and moves, movable plate 25 moves and makes in the gas entering gasbag 22 in the second cavity 24, gasbag 22 inflation, when valve clack 3 gets into in the through-hole 8 completely, gasbag 22 and valve clack 3 laminating, and then plug up through-hole 8, prevent that rivers from passing through.

When the filter screen 9 needs to be detached, only the rotary disc 13 needs to be pushed by hand, the rotary disc 13 drives the movable rod 15 to rotate, the movable rod 15 drives the rotary rod 17 to rotate, the rotary rod 17 drives the second magnet 20 to rotate, when the S pole of the second magnet 20 rotates to the upper side, due to the repulsion effect of the same poles of the first magnet 19 and the second magnet 20, the second magnet 20 moves towards the direction away from the first magnet 19, and further drives the rotary rod 17 to move, when the rotary rod 17 completely leaves the clamping groove 16, the pull rod 4 can be pulled, the pull rod 4 drives the connecting plate 11 to move, the filter screen 9 can be taken out, when the filter screen 9 needs to be installed, only the filter screen 9 needs to be aligned with the installation opening 5, then the filter screen 9 is inserted into the installation opening 5, and the filter screen 9 is inserted into the limiting groove 10, at the moment, the clamping groove 16 is aligned with the rotary rod 17, then the rotary disc 13 is pushed by hand, the rotary disc 13 drives the movable rod 15 to rotate, the movable rod 15 drives the dwang 17 and rotates, and the dwang 17 drives second magnet 20 and rotates, and when the S utmost point of second magnet 20 rotated the below, because the opposite poles of first magnet 19 and second magnet 20 attract each other and act on for second magnet 20 moved towards the direction that is close to first magnet 19, and then driven the dwang 17 and removed, inserted in draw-in groove 16 when dwang 17, can be fixed with filter screen 9.

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 utility model provides a novel stop valve, includes valve body (1), its characterized in that, valve body (1) upper wall is equipped with can pivoted valve rod (2), in valve rod (2) lower extreme extended to valve body (1), valve rod (2) lower extreme fixed connection had valve clack (3), valve body (1) inner wall runs through and is equipped with through-hole (8), the inner wall that valve body (1) is close to the water inlet is equipped with spacing groove (10), be equipped with filter screen (9) in spacing groove (10), be equipped with fixed establishment on valve body (1) lateral wall, valve body (1) inner wall is equipped with sealing mechanism.

2. The novel stop valve according to claim 1, wherein the fixing mechanism comprises a connecting plate (11) fixedly connected to the upper end of the filter screen (9), a pull rod (4) is fixedly connected to the upper wall of the connecting plate (11), a clamping groove (16) is formed in the side wall of the connecting plate (11), the side wall of the valve body (1) is provided with a mounting opening (5) in a penetrating manner, a sliding groove (14) is formed in the inner wall of the mounting opening (5), a sliding rod (17) capable of sliding is arranged in the sliding groove (14), the rotating rod (17) extends into the clamping groove (16), a moving rod (15) is fixedly connected to one end of the rotating rod (17) far away from the clamping groove (16), the cross section of the moving rod (15) is rectangular, a first cavity (18) is formed in the valve body (1), and a first magnet (19) is fixedly connected to the, dwang (17) run through first magnet (19) lateral wall, dwang (17) lateral wall fixedly connected with second magnet (20), valve body (1) lateral wall is equipped with recess (12), spout (14) run through recess (12), recess (12) inner wall rotates and is connected with carousel (13), carousel (13) slip cup joint is on carriage release lever (15).

3. The novel stop valve according to claim 1, characterized in that the sealing mechanism comprises a pressing plate (6) fixedly connected to the side wall of the valve rod (2), the inner wall of the through hole (8) is provided with an installation groove (21), the inner wall of the installation groove (21) is fixedly connected with an air bag (22), the side wall of the air bag (22) is communicated with two air ducts (23), the inner wall of the valve body (1) close to the through hole (8) is provided with two second cavities (24), the inner walls of the two second cavities (24) are both in sealing sliding connection with moving plates (25), the two moving plates (25) are both in elastic connection with the inner bottom of the second cavities (24) through springs, and the upper walls of the two moving plates (25) are both fixedly connected with a pressing rod (7).

4. A novel stop valve according to claim 3, characterized in that two said pressure rods (7) extend into the valve body (1) respectively, and the upper ends of both said pressure rods (7) are in contact with the lower wall of the pressure plate (6).

5. A new type of stop valve according to claim 3, characterized in that said mounting groove (21) is annular in shape and said air bag (22) is annular in shape.

6. A new type of stop valve according to claim 2, characterized in that the rotary disc (13) extends outside the valve body (1), the side wall of the rotary disc (13) being provided with teeth for increasing the friction force.