CN220566618U

CN220566618U - Steel gate valve

Info

Publication number: CN220566618U
Application number: CN202322353617.9U
Authority: CN
Inventors: 张桐源; 张建东; 张建勋
Original assignee: Yu Ming Valve Group Co ltd
Current assignee: Yu Ming Valve Group Co ltd
Priority date: 2023-08-31
Filing date: 2023-08-31
Publication date: 2024-03-08
Anticipated expiration: 2033-08-31

Abstract

The utility model discloses a steel gate valve, which comprises a valve body, wherein the top of the outer surface of the valve body is fixedly connected with a first flange, the upper surface of the first flange is movably connected with a second flange, the outer surfaces of the first flange and the second flange are in threaded connection with a first bolt, and the upper surface of the second flange is fixedly connected with a valve cover; the inner side surface of the valve cover is in threaded connection with a valve rod. This steel gate valve, through the setting of valve body, the valve gap, the valve rod, valve ball and second bolt, connecting plate and valve ball top contact, second bolt threaded connection is fixed valve rod and valve ball in the inside of corresponding mounting hole, place the valve ball in the inside of valve body after, second flange passes through first bolted connection with first flange, fix the upper surface at the valve body with the valve gap for a plurality of structures of gate valve can be changed, if one of them part damages, need not change whole gate valve, reduce the waste and the use cost of resource, satisfy multiple user demand.

Description

Steel gate valve

Technical Field

The utility model relates to the technical field of gate valves, in particular to a steel gate valve.

Background

The gate valve is widely applied to industries such as petroleum refining, long-distance pipeline, chemical industry, papermaking, pharmacy, water conservancy, electric power, municipal administration, steel and the like, the steel gate valve is one kind of valve, the switch mode is the screw principle, the switch device of conveying liquid or gas pipeline is the gate valve, the gate valve is sealed through disk seat and flashboard contact, the flashboard has rigid flashboard and elasticity flashboard, the gate valve is divided into rigid gate valve and elasticity gate valve according to the difference of flashboard.

Through retrieving, chinese patent publication (bulletin) No. CN217683464U discloses a steel gate valve, including the valve body, the bottom fixedly connected with mounting panel of valve body, the equal fixedly connected with transportation pipe in both sides of valve body, the top fixedly connected with adjustment valve plate of valve body. The utility model has the advantages of weather resistance, heat resistance, low temperature resistance and chemical resistance, unique non-tackiness and low friction, has good ozone resistance, chemical resistance, oil resistance, heat resistance, light resistance and wear resistance through the arrangement of the chlorosulfonated polyethylene coating layer, has wide applicability, difficult water dissolution, no toxicity and good thermal stability through the arrangement of the polyurea coating layer, has the effects of rust prevention, corrosion prevention and flame retardance, and solves the problems that the conventional steel valve is inconvenient to operate in the working process, has insignificant wear resistance on the surface and corrosion resistance in the interior, and is easy to influence normal use.

The gate valve of above-mentioned patent is convenient operation, but is mostly fixed knot construct, and the installation is dismantled comparatively inconvenient, and the gate valve is used for a long time after, and flashboard and disk seat will wearing and tearing each other, influence the sealing performance of gate valve, if can not change one of them part, then need change whole gate valve, cause the waste of resource, have increaseed use cost, therefore need design a steel gate valve and solve above-mentioned problem.

Disclosure of Invention

The utility model mainly aims to provide a steel gate valve which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the steel gate valve comprises a valve body, wherein a first flange is fixedly connected to the top of the outer surface of the valve body, a second flange is movably connected to the upper surface of the first flange, first bolts are connected to the outer surfaces of the first flange and the second flange in a threaded manner, and a valve cover is fixedly connected to the upper surface of the second flange; the inner side of the valve cover is in threaded connection with a valve rod, one end of the valve rod is fixedly connected with a connecting plate, the lower surface of the connecting plate is movably connected with a valve ball, mounting holes are formed in the upper surfaces of the connecting plate and the valve ball, and second bolts are in threaded connection with the inner sides of the mounting holes.

In order to achieve the effect of being convenient for positioning the valve rod, as the steel gate valve, the middle part of the upper surface of the valve ball is provided with the positioning groove, the middle part of the lower surface of the connecting plate is fixedly connected with the clamping block, and the clamping block is movably connected with the positioning groove.

In order to achieve the effect of enhancing the connection tightness of the valve ball and the valve body, as the steel gate valve, the top of the outer surface of the valve ball is provided with the groove, and the inner part of the groove is sleeved with the first sealing ring.

In order to achieve the effect of enhancing the connection tightness of the valve body and the valve cover, the steel gate valve is characterized in that a clamping groove is formed in the top of the inner side surface of the valve body, and a second sealing ring is fixedly connected to the edge of the lower surface of the valve cover.

In order to achieve the effect of being convenient for connecting an external pipeline, as the steel gate valve, connecting pipes are fixedly connected to two sides of the outer surface of the valve body, and one end of each connecting pipe is fixedly connected with a third flange.

In order to achieve the effect of being convenient for fixing the valve rod, as the steel gate valve, a nut is connected to one side, close to the valve cover, of the outer surface of the valve rod in a threaded mode.

In order to achieve the effect of being convenient for installing the hand wheel, the steel gate valve is characterized in that the hand wheel is clamped at the top of the outer surface of the valve rod, and a nut is connected to one side, close to the hand wheel, of the outer surface of the valve rod in a threaded mode.

In order to achieve the effect of facilitating the passage of fluid, as the steel gate valve, a water outlet channel is formed in the middle of the outer surface of the valve ball.

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

1. according to the utility model, through the arrangement of the valve body, the valve cover, the valve rod, the valve ball and the second bolt, the connecting plate is in contact with the top of the valve ball, the second bolt is in threaded connection with the inside of the corresponding mounting hole, the valve rod and the valve ball are fixed, the second flange is connected with the first flange through the first bolt after the valve ball is placed in the valve body, and the valve cover is fixed on the upper surface of the valve body, so that a plurality of structures of the gate valve can be replaced, if one part is damaged, the whole gate valve is not required to be replaced, the waste of resources and the use cost are reduced, and various use requirements are met.

2. According to the utility model, through the arrangement of the first sealing ring, the second sealing ring and the water outlet channel, the first sealing ring is sleeved in the groove, the installation and the disassembly are convenient, the replacement after the abrasion is convenient, meanwhile, the sealing performance of the joint of the valve ball and the inner side surface of the valve body is enhanced by the first sealing ring, the phenomenon of air leakage and liquid leakage is avoided, when the valve cover is closed, the second sealing ring is clamped in the clamping groove, the sealing performance of the connection of the valve body and the valve cover is enhanced, the middle part of the outer surface of the valve ball is penetrated by the water outlet channel, the circulation of fluid is realized, and the size of the water outlet channel is changed by changing the angle of the valve ball, so that the flow is regulated, and the regulation is more convenient.

Drawings

FIG. 1 is a schematic diagram of a front view structure of an embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional plan view of an embodiment of the present utility model;

FIG. 3 is a schematic view of a valve cover according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a valve stem according to an embodiment of the present utility model;

FIG. 5 is a schematic diagram of an exploded view of a valve stem according to an embodiment of the present utility model.

In the figure: 1. a valve body; 2. a first flange; 3. a second flange; 4. a first bolt; 5. a valve cover; 6. a valve stem; 7. a connecting plate; 8. a valve ball; 9. a mounting hole; 10. a second bolt; 11. a positioning groove; 12. a clamping block; 13. a groove; 14. a first seal ring; 15. a clamping groove; 16. a second seal ring; 17. a connecting pipe; 18. a third flange; 19. a nut; 20. a hand wheel; 21. a screw cap; 22. and a water outlet channel.

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.

Examples

1-5, a steel gate valve comprises a valve body 1, wherein a first flange 2 is fixedly connected to the top of the outer surface of the valve body 1, a second flange 3 is movably connected to the upper surface of the first flange 2, first bolts 4 are connected to the outer surfaces of the first flange 2 and the second flange 3 in a threaded manner, and a valve cover 5 is fixedly connected to the upper surface of the second flange 3; the medial surface threaded connection of valve gap 5 has valve rod 6, and the one end fixedly connected with connecting plate 7 of valve rod 6, and the lower surface swing joint of connecting plate 7 has valve ball 8, and mounting hole 9 has all been seted up to the upper surface of connecting plate 7 and valve ball 8, and the inside threaded connection of mounting hole 9 has second bolt 10.

During specific use, through the setting of valve body 1, valve gap 5, valve rod 6, connecting plate 7, valve ball 8 and second bolt 10, with the connecting plate 7 and the valve ball 8 top contact of valve rod 6 bottom, second bolt 10 threaded connection is in the inside of corresponding mounting hole 9, thereby it is fixed with valve ball 8 to be equipped with valve rod 6, the equipment is dismantled conveniently, change the maintenance when being convenient for damage, the cost is reduced, increase result of use, valve ball 8 and fluid contact, adopt the arc structure, have buffering protective properties, can reduce the impact and the corruption of fluid to valve ball 8, increase of service life, place valve ball 8 behind the inside of valve body 1, second flange 3 is connected through first bolt 4 with first flange 2, thereby fix valve gap 5 at the upper surface of valve body 1, make a plurality of structures of gate valve can be changed, if one of them part damages, need not change whole gate valve, reduce the waste of resource and use cost, satisfy multiple user demand.

In this embodiment, a positioning groove 11 is formed in the middle of the upper surface of the valve ball 8, a clamping block 12 is fixedly connected to the middle of the lower surface of the connecting plate 7, and the clamping block 12 is movably connected with the positioning groove 11.

When the valve ball 8 is particularly used, the clamping block 12 is clamped in the positioning groove 11 through the arrangement of the clamping block 12, so that the connecting plate 7 is conveniently positioned and installed, and the phenomenon of sliding wires during rotation of the valve ball 8 is avoided.

In this embodiment, a groove 13 is formed in the top of the outer surface of the valve ball 8, and a first sealing ring 14 is sleeved in the groove 13.

When the valve is particularly used, through the arrangement of the first sealing ring 14, the first sealing ring 14 is sleeved in the groove 13, the valve is convenient to install and detach, and is convenient to replace after abrasion, and meanwhile, the sealing performance of the joint of the valve ball 8 and the inner side surface of the valve body 1 is improved by the first sealing ring 14, so that the phenomenon of leakage of air and liquid is avoided.

In this embodiment, a clamping groove 15 is formed at the top of the inner side surface of the valve body 1, and a second sealing ring 16 is fixedly connected to the edge of the lower surface of the valve cover 5.

When the valve cover is specifically used, through the arrangement of the second sealing ring 16, when the valve cover 5 is closed, the second sealing ring 16 is clamped in the clamping groove 15, so that the tightness of the connection between the valve body 1 and the valve cover 5 is enhanced, and the sealing effect is improved due to the multiple sealing structures.

In this embodiment, the two sides of the outer surface of the valve body 1 are fixedly connected with a connecting pipe 17, and one end of the connecting pipe 17 is fixedly connected with a third flange 18.

In specific use, through the arrangement of the connecting pipes 17, the two connecting pipes 17 are connected with an external pipeline through the third flange 18, so that the fluid can conveniently enter and exit.

In this embodiment, a nut 19 is screwed on the outer surface of the valve stem 6 on the side close to the valve cap 5.

When the valve rod 6 is particularly used, through the arrangement of the nut 19, the nut 19 locks and fixes the valve rod 6 when not used, so that the phenomenon of autorotation is avoided, and the stability and the firmness during use are ensured.

In this embodiment, the top of the outer surface of the valve rod 6 is clamped with a hand wheel 20, and a nut 21 is screwed on one side of the outer surface of the valve rod 6, which is close to the hand wheel 20.

When the valve rod 6 is specifically used, the hand wheel 20 is clamped at the top of the outer surface of the valve rod 6 through the arrangement of the hand wheel 20, the nut 21 is used for limiting and fixing the hand wheel 20, the hand wheel 20 is convenient to mount and dismount, a user can operate the valve rod 6 through the hand wheel 20, the hand force is convenient to use, and the use convenience is improved.

In this embodiment, a water outlet passage 22 is provided in the middle of the outer surface of the valve ball 8.

When the valve ball is particularly used, through the arrangement of the water outlet channel 22, the water outlet channel 22 is arranged in the middle of the outer surface of the valve ball 8, the middle of the outer surface of the valve ball 8 is penetrated, fluid circulation can be realized, and the size of the water outlet channel 22 is changed by changing the angle of the valve ball 8, so that the flow is regulated, and the regulation is more convenient.

Working principle: in use, the hand wheel 20 is clamped at the top of the outer surface of the valve rod 6, the nut 21 is used for fixing the valve rod 6, the valve rod 6 is in threaded connection with the inside of the valve cover 5, the clamping block 12 is inserted into the positioning groove 11, the connecting plate 7 is in contact with the top of the valve ball 8, the second bolt 10 is in threaded connection with the inside of the corresponding mounting hole 9, the valve rod 6 is fixed with the valve ball 8, the valve ball 8 is placed in the valve body 1, the second flange 3 is connected with the first flange 2 through the first bolt 4, the valve cover 5 is fixed on the upper surface of the valve body 1, the sealing performance of the joint of the valve ball 8 and the inner side surface of the valve body 1 is enhanced by the first sealing ring 14, the sealing performance of the joint of the valve body 1 and the valve cover 5 is enhanced by the second sealing ring 16 is clamped in the inside of the clamping groove 15, the two connecting pipes 17 are connected with an external pipeline through the third flange 18, the angle of the valve ball 8 is changed by operating the valve rod 6 through the hand wheel 20, the size of the water outlet channel 22 is adjusted, and flow rate is adjusted.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. Steel gate valve, comprising a valve body (1), characterized in that: the top of the outer surface of the valve body (1) is fixedly connected with a first flange (2), the upper surface of the first flange (2) is movably connected with a second flange (3), the outer surfaces of the first flange (2) and the second flange (3) are in threaded connection with a first bolt (4), and the upper surface of the second flange (3) is fixedly connected with a valve cover (5);

the valve is characterized in that the inner side surface of the valve cover (5) is in threaded connection with a valve rod (6), one end of the valve rod (6) is fixedly connected with a connecting plate (7), the lower surface of the connecting plate (7) is movably connected with a valve ball (8), mounting holes (9) are formed in the upper surfaces of the connecting plate (7) and the valve ball (8), and second bolts (10) are in threaded connection with the inner sides of the mounting holes (9).

2. A steel gate valve according to claim 1, characterized in that: the middle part of valve ball (8) upper surface has seted up constant head tank (11), the middle part fixedly connected with fixture block (12) of connecting plate (7) lower surface, fixture block (12) are swing joint with constant head tank (11).

3. A steel gate valve according to claim 1, characterized in that: the top of valve ball (8) surface has seted up recess (13), the inside cover of recess (13) is equipped with first sealing washer (14).

4. A steel gate valve according to claim 1, characterized in that: the top of valve body (1) medial surface has seted up draw-in groove (15), the edge fixedly connected with second sealing washer (16) of valve gap (5) lower surface.

5. A steel gate valve according to claim 1, characterized in that: the two sides of the outer surface of the valve body (1) are fixedly connected with connecting pipes (17), and one end of each connecting pipe (17) is fixedly connected with a third flange (18).

6. A steel gate valve according to claim 1, characterized in that: and one side, close to the valve cover (5), of the outer surface of the valve rod (6) is in threaded connection with a nut (19).

7. A steel gate valve according to claim 1, characterized in that: the top joint of valve rod (6) surface has hand wheel (20), the one side threaded connection that is close to hand wheel (20) of the surface of valve rod (6) has nut (21).

8. A steel gate valve according to claim 1, characterized in that: a water outlet channel (22) is formed in the middle of the outer surface of the valve ball (8).