CN210687030U

CN210687030U - High-performance flat valve

Info

Publication number: CN210687030U
Application number: CN201920795838.2U
Authority: CN
Inventors: 孙健; 李海洋; 程云飞; 黄炎; 董悦
Original assignee: Shanghai Huaxi Chemical Industry Science & Technology Co ltd
Current assignee: Shanghai Hanxing Chemical Technology Co ltd
Priority date: 2019-05-30
Filing date: 2019-05-30
Publication date: 2020-06-05
Anticipated expiration: 2029-05-30

Abstract

The utility model discloses a high-performance flat valve, which belongs to the technical field of flat valves and comprises a valve body, a valve cover, a valve plate, a valve rod and a motor, wherein the valve cover is fixedly arranged at the top of the valve body, a groove is arranged in the middle of the valve body, the valve plate is arranged at the top of the valve plate, the valve rod is connected through a connecting block, the valve rod is connected with the motor through a through hole arranged in the middle of the valve cover, a first sealing ring is arranged at the joint of the valve cover and the valve body, a groove is arranged at the bottom of the center of the valve cover, and an annular plug is fixedly arranged at the groove, the protective cover is arranged above the valve rod, the annular plug is matched with the motor and a gear for use, the utility model has the up-and-down moving effect on the valve rod, the protective cover arranged, the functionality of the flat valve is improved.

Description

High-performance flat valve

Technical Field

The utility model relates to a wafer valve technical field specifically is a high performance wafer valve.

Background

Petroleum machinery complete equipment and accessories, special equipment and accessories for petroleum drilling and production, well cementation and fracturing equipment, downhole tools, Christmas tree wellhead devices, throttling and killing manifolds, casing heads, high and medium pressure series valves and other products, is widely applied to engineering equipment such as oil fields, chemical engineering, metallurgy, power stations and the like, when the liquid fluid is controlled to flow, the flat valve is required to be accurately controlled, and when the flat valve on the market is used, the flow velocity of the fluid needs to be judged by a large-angle adjusting valve, which brings inconvenience to the device for controlling the fluid delivery, and no electric adjustment is provided, the device is inconvenient in inspection and maintenance problems, whether the valve is in a closed state or not cannot be checked, and the mode of adjusting the valve is single, so that the functionality of the device is reduced.

SUMMERY OF THE UTILITY MODEL

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the invention.

The present invention has been made in view of the above and/or other problems occurring in the prior art high performance flat valve.

Therefore, the utility model aims at providing a high performance wafer valve can solve above-mentioned not possess on the electric regulation, inspection and the maintenance problem inconvenient, can not look over the valve and be in the problem of closed condition.

For solving the technical problem, according to the utility model discloses an aspect, the utility model provides a following technical scheme:

a high performance flat valve, comprising: valve body, valve gap, valve plate, valve rod, motor, valve body top fixed mounting the valve gap, it is equipped with to set up the recess in the middle of the valve body the valve plate, the valve plate top is connected through the connecting block the valve rod, the valve rod passes through the through-hole of seting up in the middle of the valve gap is connected the motor, the valve gap with the valve body junction is equipped with sealing washer one, recess fixed mounting annular stopper is seted up to valve gap center bottom, recess fixed mounting sealing washer two is seted up at the valve gap top, sealing washer two tops are equipped with the bearing, motor fixed mounting be in valve gap top right side, the output fixed mounting gear of motor, gear engagement connects and sets up sawtooth groove on the valve rod.

As a preferred scheme of a high performance wafer valve, wherein: the distance between the two end surfaces of the valve plate and the inner wall of the groove formed in the valve body is less than 0.2 mm.

As a preferred scheme of a high performance wafer valve, wherein: a through hole is formed in the lower portion of the right wall of the valve body, and a first sealing cover is fixedly mounted on the lower portion of the right wall of the valve body.

As a preferred scheme of a high performance wafer valve, wherein: the protection casing is fixedly installed at the top of the valve cover, and the ya keli board is fixedly installed on the right wall of the protection casing.

Compared with the prior art: this kind of high performance plate valve, install sealed lid one and sealed lid two on the valve body, the accessible is opened sealed lid one and is looked over to two pairs of valve body inner chambers with sealed lid, the valve gap is installed at the valve body top, and be equipped with sealing washer one and seal washer two and annular stopper and seal up valve body and valve gap, the bearing of valve gap top installation has stabilizing effect to the valve rod, the sawtooth groove of seting up above the valve rod uses with motor and gear cooperation, the valve rod has the effect of reciprocating, synchronous motion is done to the valve plate of valve rod bottom connection, the protection casing of valve gap top installation has the guard action to the valve rod, the ya keli board of protection casing right wall installation has the observation effect to the valve rod, judge the through-hole that the valve plate closed the valve body through the flexible length of valve rod.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail with reference to the accompanying drawings and detailed embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor. Wherein:

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

fig. 2 is the structure diagram of the valve plate of the present invention.

In the figure, a valve body 100, a sealing cover 110I, a sealing cover 120 II, a sealing cover 200, a ring plug 210, a sealing ring 220I, a sealing ring 230 II, a fixing screw 240, a bearing 250, a valve plate 300, a connecting block 310, a valve rod 400, a sawtooth groove 410, a motor 500, a gear 510, a protective cover 600 and a ya keli plate 610 are arranged.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways than those specifically described herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Next, the present invention will be described in detail with reference to the schematic drawings, and in the detailed description of the embodiments of the present invention, for convenience of explanation, the sectional view showing the device structure will not be enlarged partially according to the general scale, and the schematic drawings are only examples, and should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

The utility model provides a high-performance flat valve, which has the advantages of simple structure and convenient wiping and maintenance, and is shown in figure 1, comprising a valve body 100, a valve cover 200, a valve plate 300, a valve rod 400, a motor 500 and a protective cover 600;

referring to fig. 1, a valve cap 200 is fixedly mounted on the top of the valve body 100, the valve body 100 is a metal mold having flanges at two ends and a cavity formed therein, and a protrusion is formed on the top of the valve body 100 and cooperates with a groove formed in the bottom of the valve cap 200 to position the valve cap 200.

Referring to fig. 1 again, the valve cap 200 is fixedly installed on the valve body 100, the valve cap 200 includes an annular plug 210, a first sealing ring 220, a second sealing ring 230, a set screw 240 and a bearing 250, specifically, two ends of the valve cap 200 are connected to the top of the valve body 100 by threads, the bottom of the middle of the valve cap 200 is provided with a groove to bond the annular plug 210, the first sealing ring 220 is arranged at the connecting end of the valve cap 200 and the valve body 100, the top of the valve cap 200 is provided with a groove to bond the second sealing ring 230, the left upper side of the second sealing ring 230 is provided with the set screw 240, the top of the set screw 240 is provided with the bearing 250, the bearing 250 is installed in the groove formed at the top of the valve cap 200, the first sealing ring 220 and the second sealing ring 230 are SIL silicone rubber sealing rings, which have excellent heat resistance, cold resistance, ozone resistance, atmospheric aging resistance and excellent insulating performance, the annular plug 210 has a sealing effect on the valve body 100, the fixing screw 240 has a fixing effect on the valve stem 400, and the bearing 250 has a supporting effect on the valve stem 400.

Referring to fig. 1 and 2, the valve plate 300 is installed at the bottom of the valve rod 400, specifically, the top of the valve plate 300 is welded with the connecting block 310, the connecting block 310 is clamped at the bottom of the valve rod 400, the bottom of the valve plate 300 is in an arc concave structure, and the valve plate 300 is matched with the valve rod 400 for use and has a sealing effect on a through hole formed in the valve body 100.

Referring to fig. 1, the motor 500 is connected to the upper portion of the valve rod 400 through the valve cap 200, specifically, the right side of the upper portion of the valve rod 400 is provided with a serrated groove 410, the serrated groove 410 is engaged with a connecting gear 510, and the valve rod 400 moves the valve plate 300 up and down mainly through the action of the motor 500.

Referring to fig. 1, the motor 500 is installed on the valve cap 200, specifically, the bottom of the motor 500 is screwed to the right side of the top of the valve cap 200, the output end of the motor 500 is connected to the gear 510, the gear 510 is engaged with the serrated groove 410, and the motor 500 provides power for the valve rod 400.

The valve body 100, the valve cover 200, the valve plate 300, and the valve rod 400 are made of a metal material.

When the valve is used specifically, a person skilled in the art connects the flange plates at two ends of the valve body 100 to a pipeline, the motor 500 is externally connected with a controller and a power supply, the power switch is started to rotate the motor 500 clockwise through the controller, the gear 510 installed at the output end of the motor 500 is matched with the sawtooth groove 410 for use, the valve rod 400 moves downwards, the bottom of the valve rod 400 is clamped on the connecting block at the top of the valve plate 300, the valve plate 300 moves downwards simultaneously, when the bottom of the valve plate 300 contacts the bottom of the inner cavity of the valve body 100, the motor 500 is closed, the through hole formed in the valve body 100 is sealed by the valve plate 300, the first sealing cover 110 and the second sealing cover 120 are used for sealing the connection between the valve cover 200 and the valve body 100, the inner wall of the annular plug 210 is sleeved with the valve rod 400 to prevent liquid leakage at the moving part of the valve, valve plate 300 and valve rod 400 synchronous motion, valve plate 300 move to valve body 100 inner chamber top, close motor 500, and rotatory set screw 240 fixes valve rod 400, and at this moment, the through-hole that valve body 100 was seted up is the UNICOM's state.

In order to enable the device to have a strict flat valve effect, the distance between two end faces of the valve plate 400 and the inner wall of the groove formed in the valve body 100 is smaller than 0.2 mm, specifically, the distance is calculated through the sealing amount of O-Ring, the single-side inner wall of the valve plate 400 and the valve body 100 is smaller than 0.2 mm, and the valve plate 400 can have a sealing effect on petroleum liquid under the condition that the movement of the valve plate 400 is not influenced.

Referring to fig. 1, in order to prevent inconvenience in maintenance and inspection of the valve body 100 when oil is reserved in the valve body 100, a first sealing cover 110 and a second sealing cover 120 are installed on the valve body 100, specifically, a through hole is formed below the right wall of the valve body 100 and is in threaded connection with the first sealing cover 110, a through hole is formed above the right wall of the valve body 100 and is in threaded connection with the second sealing cover 120, a sealing ring (not marked in the figure) is arranged at the connection end of the first sealing cover 110 and the second sealing cover 120 with the valve body 100, when detection and maintenance are performed, the first sealing cover 110 and the second sealing cover 120 are opened, the oil reserved in the valve body 100 can be discharged, an inner cavity is observed, and the first sealing cover.

Referring to fig. 1, in order to prevent the valve plate 300 from being seen from the surface, a protective cover 600 is mounted on the top of the valve cover 200, specifically, the top of the valve cover 200 is screwed with the protective cover 600, a acrylic plate 610 is adhered to the right wall of the protective cover 600, the protective cover 600 has a protective effect on the valve rod 400, the acrylic plate 610 is a transparent plastic plate, and the acrylic plate 610 facilitates the observation of the telescopic state of the valve rod 400, thereby positioning the moving position of the valve plate 300.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the non-exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. The high-performance flat valve is characterized by comprising a valve body (100), a valve cover (200), a valve plate (300), a valve rod (400) and a motor (500), wherein the valve cover (200) is fixedly mounted at the top of the valve body (100), a groove is formed in the middle of the valve body (100) and is provided with the valve plate (300), the top of the valve plate (300) is connected with the valve rod (400) through a connecting block (310), the valve rod (400) is connected with the motor (500) through a through hole formed in the middle of the valve cover (200), a first sealing ring (220) is arranged at the joint of the valve cover (200) and the valve body (100), a first groove fixed mounting annular plug (210) is formed at the bottom of the center of the valve cover (200), a second groove fixed mounting sealing ring (230) is formed at the top of the valve cover (200), a bearing (250) is arranged above the second sealing ring (230, the output end of the motor (500) is fixedly provided with a gear (510), and the gear (510) is meshed with a sawtooth groove (410) formed in the valve rod (400).

2. The high-performance flat valve according to claim 1, wherein the distance between the two end faces of the valve plate (300) and the inner wall of the groove formed in the valve body (100) is less than 0.2 mm.

3. The high-performance flat valve according to claim 1, wherein a first sealing cover (110) is fixedly arranged below the right wall of the valve body (100), and a second sealing cover (120) is fixedly arranged above the right wall of the valve body (100).

4. A high-performance flat valve according to claim 1, wherein a protection cover (600) is fixedly installed on the top of the valve cover (200), and a acrylic plate (610) is fixedly installed on the right wall of the protection cover (600).