CN217815071U

CN217815071U - Steel gate valve

Info

Publication number: CN217815071U
Application number: CN202222240093.8U
Authority: CN
Inventors: 朱世湖; 陶乃扬; 朱杰
Original assignee: Anhui Qiujing Machinery Manufacturing Co ltd
Current assignee: Anhui Qiujing Machinery Manufacturing Co ltd
Priority date: 2022-08-25
Filing date: 2022-08-25
Publication date: 2022-11-15
Anticipated expiration: 2032-08-25

Abstract

The utility model discloses a steel gate valve in gate valve technical field, including valve body and valve gap, the valve gap spiro union is in the top of valve body, the draw-in groove has been seted up to the department in the middle of the inside wall of valve body, lateral wall fixedly connected with protection washer about the inner chamber of draw-in groove, the left side wall fixedly connected with import flange of valve body, first screw has been seted up to left side wall edge a week of import flange, the water inlet has been seted up to the department in the middle of the left side wall of import flange, the right side wall fixedly connected with outlet flange of valve body, the second screw is seted up to right side wall edge a week of outlet flange, protection washer adopts the rubber material to make, the shape of water inlet is tubaeform shape, and this steel gate valve, structural design is reasonable, both can avoid flashboard and valve body to wear each other, also can improve the leakproofness of flashboard to reduce the impact force of fluid medium to the flashboard, improve steel gate valve life.

Description

Steel gate valve

Technical Field

The utility model relates to a gate valve technical field specifically is a steel gate valve.

Background

The steel gate valve is one kind of valve, and the on-off mode is the screw principle, is the switching device of transport liquid or gas pipeline, and the gate valve can only do full-open and full-close, can not do regulation and throttle, and the gate valve seals through disk seat and flashboard contact, and the flashboard has rigid flashboard and elasticity flashboard, according to the difference of flashboard, and the gate valve divide into rigid gate valve and elasticity gate valve.

Current steel gate valve is under long-time use, and frequent switch can lead to flashboard and valve body wearing and tearing each other, when wearing and tearing are too big, will influence the sealing performance of steel gate valve to when hanging and closing the flashboard, the flashboard can directly receive fluid medium's direct impact, suffers a lot of impact back again, will lead to the flashboard to damage, makes steel gate valve life shorten, for this we have proposed a steel gate valve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a steel gate valve to it can wear and tear each other and the flashboard can receive the problem that the flowing medium strikes to have proposed flashboard and valve body in the above-mentioned background art to solve.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a steel gate valve, includes valve body and valve gap, the valve gap spiro union is in the top of valve body, the draw-in groove has been seted up to the department in the middle of the inside wall of valve body, lateral wall fixedly connected with protection washer about the inner chamber of draw-in groove, the left side wall fixedly connected with import flange of valve body, first screw has been seted up to the left side wall edge a week of import flange, the water inlet has been seted up to the department in the middle of the left side wall of import flange, the right side wall fixedly connected with export flange of valve body, the second screw is seted up to the right side wall edge a week of export flange.

As a further description of the above technical solution:

the protection gasket is made of rubber materials.

As a further description of the above technical solution:

the water inlet is in a horn shape.

As a further description of the above technical solution:

the top of valve gap is rotated and is connected with the valve rod, the bottom of valve rod runs through the valve gap and extends to the inner chamber of valve body.

As a further description of the above technical solution:

the lateral wall upside spiro union of valve rod has the hand wheel, the bottom fixedly connected with connecting block of valve rod.

As a further description of the above technical solution:

the bottom fixedly connected with connecting rod of connecting block, the bottom fixedly connected with flashboard of connecting rod.

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

1. this steel gate valve is equipped with the protection packing ring through the inside at the draw-in groove for the flashboard can not directly contact with the valve body when going up and down, and the protection packing ring adopts the rubber material to make simultaneously, thereby both can avoid flashboard and valve body wearing and tearing each other, also can improve the leakproofness of flashboard.

2. This steel gate valve sets up tubaeform water inlet through import flange department, makes the rivers cross-section of end of intaking less, and other end rivers cross-section is great to reduce fluid medium's pressure, reduce fluid medium's velocity of flow, and then reduce the impact force of fluid medium to the flashboard, improve steel gate valve life.

Drawings

Fig. 1 is a schematic perspective view of a steel gate valve according to the present invention;

fig. 2 is a schematic front view of a steel gate valve according to the present invention;

fig. 3 is a schematic front sectional structural view of a steel gate valve according to the present invention;

fig. 4 is a schematic view of a partial cross-sectional structure of a steel gate valve according to the present invention.

In the figure: 100. a valve body; 110. a card slot; 120. a protective washer; 130. an inlet flange; 131. a first screw hole; 132. a water inlet; 140. an outlet flange; 141. a second screw hole; 200. a valve cover; 210. a valve stem; 220. a hand wheel; 230. connecting blocks; 240. a connecting rod; 250. a gate plate.

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 efforts all belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model provides a steel gate valve, which can avoid the abrasion between the gate plate and the valve body and reduce the impact force of the fluid medium to the gate plate, please refer to fig. 1-4, comprising a valve body 100 and a valve cover 200;

referring to fig. 1-4 again, a clamping groove 110 is formed in the middle of the inner side wall of the valve body 100, the clamping groove 110 is used for mounting a protection gasket 120, the left and right side walls of the inner cavity of the clamping groove 110 are fixedly connected with the protection gasket 120, the protection gasket 120 is used for preventing the gate plate 250 and the valve body 100 from being worn away from each other, the left side wall of the valve body 100 is fixedly connected with an inlet flange 130, the inlet flange 130 is used for inputting fluid media, a first screw hole 131 is formed in the periphery of the edge of the left side wall of the inlet flange 130, the first screw hole 131 is used for mounting, a water inlet 132 is formed in the middle of the left side wall of the inlet flange 130, the water inlet 132 is used for reducing the flow rate of the fluid media, an outlet flange 140 is fixedly connected with the right side wall of the valve body 100, the outlet flange 140 is used for outputting the fluid media, a second screw hole 141 and a second screw hole 141 are formed in the periphery of the edge of the right side wall of the outlet flange 140, and the gate plate 250 and the valve body 100 can be protected by the protection gasket 120;

referring to fig. 1-3, the valve cover 200 is screwed on the top of the valve body 100, and the valve cover 200 is used for sealing the valve body 100;

as described above, the gate plate 250 and the valve body 100 can be prevented from wearing each other, and the sealing performance of the gate plate 250 can be improved.

Referring to fig. 3 to 4, the protection gasket 120 is made of rubber, and the gate plate 250 and the valve body 100 may be prevented from being worn away from each other by the rubber.

Referring to fig. 3, the shape of the inlet 132 is a trumpet shape, and the pressure of the fluid medium is reduced and the flow rate is reduced by the trumpet shape.

Referring to fig. 1 to 4 again, the valve stem 210 is rotatably connected to the top of the bonnet 200, the bottom end of the valve stem 210 penetrates through the bonnet 200 and extends to the inner cavity of the valve body 100, and the gate plate 250 can be opened and closed through the valve stem 210.

Referring to fig. 1-3 again, a hand wheel 220 is screwed on the upper side of the outer side wall of the valve stem 210, a connecting block 230 is fixedly connected to the bottom end of the valve stem 210, and a screw can be rotated by the hand wheel 220.

Referring to fig. 3 again, the bottom of the connection block 230 is fixedly connected with a connection rod 240, and the bottom end of the connection rod 240 is fixedly connected with a shutter plate 250, through which the fluid medium can flow or stop.

In summary, the impact force of the fluid medium on the gate plate 250 is reduced, and the service life of the steel gate valve is prolonged.

When the valve is used specifically, a person skilled in the art firstly installs the valve body 100 through the first screw hole 131 and the second screw hole 141 on the inlet flange 130 and the outlet flange 140, then rotates the hand wheel 220 to enable the valve rod 210 to drive the gate plate 250 to move upwards, fluid media decelerates through the water inlet 132 and passes through the inner cavity of the valve body 100, and then flows out of the outlet flange 140, and rotates the hand wheel 220 again to enable the valve rod 210 to drive the gate plate 250 to move downwards, so that the gate plate 250 enters the clamping groove 110, the fluid media conveying is closed, the gate plate 250 is protected from being abraded by the clamping groove 110 through the protection gasket 120, and meanwhile, the sealing effect is improved.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A steel gate valve which characterized in that: including valve body (100) and valve gap (200), valve gap (200) spiro union is in the top of valve body (100), department has seted up draw-in groove (110) in the middle of the inside wall of valve body (100), lateral wall fixedly connected with protection packing ring (120) about the inner chamber of draw-in groove (110), left side wall fixedly connected with import flange (130) of valve body (100), first screw (131) have been seted up to left side wall edge a week of import flange (130), water inlet (132) have been seted up to left side wall middle department of import flange (130), right side wall fixedly connected with export flange (140) of valve body (100), second screw (141) are seted up to right side wall edge a week of export flange (140).

2. A steel gate valve according to claim 1, characterized in that: the protection gasket (120) is made of rubber.

3. A steel gate valve according to claim 1, characterized in that: the shape of the water inlet (132) is in a horn shape.

4. A steel gate valve according to claim 1, characterized in that: the top of the valve cover (200) is rotatably connected with a valve rod (210), and the bottom end of the valve rod (210) penetrates through the valve cover (200) and extends to the inner cavity of the valve body (100).

5. A steel gate valve according to claim 4, characterized in that: the outer side wall upper side of the valve rod (210) is connected with a hand wheel (220) in a threaded mode, and the bottom end of the valve rod (210) is fixedly connected with a connecting block (230).

6. A steel gate valve according to claim 5, characterized in that: the bottom fixedly connected with connecting rod (240) of connecting block (230), the bottom fixedly connected with flashboard (250) of connecting rod (240).