CN212004331U - Wedge gate valve - Google Patents

Abstract

The utility model discloses a wedge gate valve, including valve body and valve gap, the top of valve body is equipped with the valve gap, the outside inside of valve body and valve gap is equipped with a plurality of stud, the inboard inside of valve body and valve gap is closely laminated and is had the sealing washer, both sides all rotate with the sleeve through the bearing about the inner wall of kicking block and link to each other, telescopic inner wall links to each other with the screw rod screw thread, telescopic outer wall top rigid coupling has the carousel. This wedge gate valve, structure scientific and reasonable, convenience safe in utilization, be provided with the valve body, the valve gap, the kicking block, the sleeve, first screw rod, the carousel, the valve plate, the basin, the sealed cooperation of filling up of first sealed pad and second, in the process of using, at closed in-process, the pressure that brings with valve plate contact water can be influenced more the decomposition into vertical direction by the shape of basin, horizontal direction pressure has been reduced, the problem of the too big damage that leads to of horizontal direction pressure of having avoided prior art gate valve plate to lead to because of water pressure easily at the in-process that uses.

Description

Wedge gate valve

Technical Field

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

Background

The gate valve is an opening and closing piece gate plate, the moving direction of the gate plate is perpendicular to the fluid direction, the gate valve can only be fully opened and fully closed and cannot be adjusted and throttled, the gate valve is sealed through contact of a valve seat and the gate plate, and metal materials are usually welded on a sealing surface to increase the wear resistance, such as 1Cr13, STL6, stainless steel and the like.

Although the wedge gate valve of the prior art can be used, the wedge gate valve of the prior art is easily damaged and deformed due to excessive horizontal pressure when the medium pressure is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wedge gate valve to solve the problem that the horizontal direction pressure that the in-process of using of the gate valve plate that proposes leads to because of water pressure easily leads to damaging greatly among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a wedge gate valve comprises a valve body and a valve cover, wherein the valve cover is arranged above the valve body, a plurality of double-end studs are arranged inside the outer sides of the valve body and the valve cover, sealing rings are tightly attached to the inner sides of the valve body and the valve cover, the upper side and the lower side of the outer wall of each double-end stud are in threaded connection with a first nut, the upper nut and the lower nut are respectively tightly attached to the valve body and the valve cover, a valve plate is arranged in the center inside the valve body, first sealing gaskets are fixedly connected to the left end and the right end of the valve plate, a second sealing gasket is fixedly connected to the inner side of the inner wall of the valve body, the first sealing gasket and the second sealing gasket are tightly attached to each other, the upper side of the valve plate is connected with a second screw rod in a clamping mode through a clamping block, a plurality of fillers are arranged on the outer wall of the second screw rod, the outer wall top screw thread of first screw rod links to each other has the second nut, the second nut closely laminates with gland, and all closely laminate with valve gap, support and gland, gland's upper end is passed through the support and is fixed continuous with the kicking block, both sides all rotate with the sleeve through the bearing and link to each other about the inner wall of kicking block, telescopic inner wall links to each other with the second screw rod screw thread, telescopic outer wall top rigid coupling has the carousel.

Preferably, the inner walls of the grooves at the left end and the right end of the top block are connected with screws through threads.

Preferably, a plurality of handle grooves are processed inside the outer side of the lower end of the rotating disc.

Preferably, the left and right surfaces of the valve plate have an angle of 5 ° with the vertical.

Preferably, the vertical center of the valve plate coincides with the vertical center of the valve body.

Compared with the prior art, the beneficial effects of the utility model are that: this wedge gate valve, structure scientific and reasonable, convenience safe in utilization:

be provided with the valve body, the valve gap, the kicking block, the sleeve, first screw rod, the carousel, the valve plate, the basin, the sealed cooperation of filling up of first sealed pad and second, at the in-process of using, the user's accessible rotates the carousel and realizes that the first screw rod of drive drives the valve plate and goes up and down, realize opening and shutting of this valve, at closed in-process, the pressure that brings with valve plate contact water can be influenced more the decomposition into vertical direction by the shape of basin, horizontal direction pressure has been reduced, the problem of the too big damage that leads to of horizontal direction pressure of having avoided prior art gate valve plate to lead to because of water pressure easily at the in-process of.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the valve cover, the bracket and the screw rod in FIG. 1;

FIG. 3 is a schematic view of the bearing, top block and turntable of FIG. 1;

fig. 4 is a schematic structural diagram of the valve body, the valve plate and the fixture block in fig. 1.

In the figure: 1. the valve comprises a valve body, 2, a clamping block, 3, a first sealing gasket, 4, a valve plate, 5, a water tank, 6, a second sealing gasket, 7, a first nut, 8, a valve cover, 9, a pin shaft, 10, a second nut, 11, a support, 12, a screw, 13, a sleeve, 14, a second screw rod, 15, a bearing, 16, a top block, 17, a first screw rod, 18, a filler, 19, a sealing ring, 20, a double-head screw rod, 21, a rotary table, 22 and a filler gland.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a wedge gate valve comprises a valve body 1 and a valve cover 8, wherein the valve cover 8 is arranged above the valve body 1 and used for limiting the relative position of the valve body 1 and the valve cover 8, a plurality of double-end studs 20 are arranged inside the outer sides of the valve body 1 and the valve cover 8, the valve body 1 and the valve cover 8 can be fixed through the double-end studs 20 and first nuts 7, sealing rings 19 are tightly attached to the inner sides of the valve body 1 and the valve cover 8, the sealing rings 19 can ensure the sealing of the valve body 1 and the valve cover 8, the upper side and the lower side of the outer wall of each double-end stud 20 are in threaded connection with the first nuts 7, the upper first nut 7 and the lower nut 7 are tightly attached to the valve body 1 and the valve cover 8 respectively, a valve plate 4 is arranged in the center inside the valve body 1 and used for limiting the relative position of the valve body 1 and the valve plate 4, first sealing gaskets 3 are fixedly connected to the left, the sealing between the valve plate 4 and the valve body 1 is realized by tightly attaching the first sealing gasket 3 and the second sealing gasket 6, the upper part of the valve plate 4 is connected with the second screw rod 14 in a clamping way through the clamping block 2, the second screw rod 14 can drive the valve plate 4 to move through the clamping block 2, a plurality of fillers 18 are arranged on the outer wall of the second screw rod 14 and the inner side of the inner wall of the valve cover 8 to limit the positions of the fillers 18, the left side and the right side of the outer wall of the valve cover 8 are rotationally connected with the first screw rod 17 through the pin shaft 9, the first screw rod 17 can rotate through the pin shaft 9, the first screw rod 17 is in clearance fit with the filler gland 22, the filler gland 22 can move on the outer wall of the first screw rod 17, the second nut 10 is connected with the upper part of the outer wall of the first screw rod 17 through threads, the second nut 10 is tightly attached to the filler gland 22, the position fixing of, The support 11 and the packing gland 22 are tightly attached, the joints of the support 11 and the valve cover 8 are sealed through the packing 18, the upper end of the packing gland 22 is fixedly connected with the ejector block 16 through the support 11, the packing gland 22 can support the ejector block 16 through the support 11, the upper side and the lower side of the inner wall of the ejector block 16 are rotatably connected with the sleeve 13 through the bearing 15, the ejector block 16 can rotatably support the sleeve 13 through the bearing 15, the inner wall of the sleeve 13 is in threaded connection with the screw 14, the second screw 14 can be driven to ascend and descend through the rotation of the sleeve 13, the turntable 21 is fixedly connected above the outer wall of the sleeve 13, the turntable 21 can drive the sleeve 13 to move, the water grooves 5 are processed on the left side and the right side of the valve plate 4, the screws 12 are in threaded connection with the inner walls of grooves at the left end and the right end of the ejector block 16, and the screws 12 can fill and disassemble grooves for supplementing, inside processing in the lower extreme outside of carousel 21 has a plurality of handle grooves, and through the outside that a plurality of handle grooves can convenient to use person's finger inserted carousel 21, the surface is 5 with the contained angle of vertical line about valve plate 4, and the vertical center of valve plate 4 is unanimous with the vertical center of valve body 1, restriction valve plate 4 and valve body 1 relative position.

When the wedge gate valve is required to be used, firstly, a user can install the valve plate 4 downwards through the upper part of the valve body 1, the first sealing gasket 3 on the outer wall of the valve plate 4 and the second sealing gasket 6 on the inner wall of the valve body 1 are correspondingly placed, then, the valve body 1 and the valve cover 8 can be fixed through the stud bolt 20 and the first nut 7, the filler 18 is installed inside the upper inner wall of the valve cover 8, then, the filler gland 22 is realized through the second screw rod 14 and the second nut 10, the filler gland 22 is pressed above the filler 18, the valve cover 8, the second screw rod 14 and the filler gland 22 are tightly attached and sealed, the valve can be assembled, then, the user can connect and install the valve body 1 with an external pipeline, in the using process, the user can drive the sleeve 13 to rotate through rotating the rotary table 21 to drive the first screw rod 17 to lift, and the first screw rod 17 can drive the valve plate 4 to lift through the fixture block 2, realize the switch of this valve, and at the in-process that the valve was closed, because the basin 5 of the 4 left and right sides of valve plate, can apply the pressure that water brought on the contact surface of basin 5, the direction of pressure is just perpendicular with the contact point of basin 5, because the inner wall self shape of basin 5, make the vertical reverse of valve plate 4 of the decomposition that pressure can be more, and vertical direction can have first screw rod 17 to restrict, guarantee to stabilize and realize reducing the horizontal water pressure of valve plate 4 simultaneously, guaranteed that valve plate 4 can use under great pressure condition.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships 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.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a wedge gate valve, includes valve body (1) and valve gap (8), the top of valve body (1) is equipped with valve gap (8), its characterized in that: the valve is characterized in that a plurality of double-end studs (20) are arranged inside the outer sides of the valve body (1) and the valve cover (8), a sealing ring (19) is tightly attached to the inner sides of the valve body (1) and the valve cover (8), first nuts (7) are connected to the upper side and the lower side of the outer wall of each double-end stud (20) in a threaded mode, the first nuts (7) are tightly attached to the valve body (1) and the valve cover (8) respectively from top to bottom, a valve plate (4) is arranged at the inner center of the valve body (1), first sealing gaskets (3) are fixedly connected to the left end and the right end of the valve plate (4), second sealing gaskets (6) are fixedly connected to the inner side of the inner wall of the valve body (1), the first sealing gaskets (3) and the second sealing gaskets (6) are tightly attached to each other, the upper portion of the valve plate (4) is connected with the second screw (14) through clamping blocks (2), a plurality of, the left side and the right side of the outer wall of the valve cover (8) are rotationally connected with a first screw rod (17) through pin shafts (9), the first screw rod (17) is in clearance fit with the packing gland (22), a second nut (10) is connected with the upper part of the outer wall of the first screw rod (17) through threads, the second nut (10) is tightly attached to the packing gland (22), and the packing (18) is tightly jointed with the valve cover (8), the bracket (11) and the packing gland (22), the upper end of the packing gland (22) is fixedly connected with the top block (16) through a bracket (11), the upper side and the lower side of the inner wall of the top block (16) are rotationally connected with the sleeve (13) through bearings (15), the inner wall of sleeve (13) and second screw rod (14) threaded connection, the outer wall top rigid coupling of sleeve (13) has carousel (21), the left and right sides processing of valve plate (4) has basin (5).

2. A wedge gate valve in accordance with claim 1, wherein: the inner walls of the grooves at the left end and the right end of the top block (16) are connected with screws (12) through threads.

3. A wedge gate valve in accordance with claim 1, wherein: a plurality of handle grooves are processed inside the outer side of the lower end of the rotating disc (21).

4. A wedge gate valve in accordance with claim 1, wherein: the included angle between the left surface and the right surface of the valve plate (4) and a vertical line is 5 degrees.

5. A wedge gate valve in accordance with claim 1, wherein: the vertical center of the valve plate (4) is consistent with that of the valve body (1).

Images