CN210949948U

CN210949948U - High-sealing elastic seat seal gate valve

Info

Publication number: CN210949948U
Application number: CN201921933808.XU
Authority: CN
Inventors: 陈承强; 陈柏亮
Original assignee: Zhejiang Liangmao Valve Co ltd
Current assignee: Zhejiang Liangmao Valve Co ltd
Priority date: 2019-11-11
Filing date: 2019-11-11
Publication date: 2020-07-07
Anticipated expiration: 2029-11-11

Abstract

The utility model provides a high-sealing elastic seat seal gate valve, which comprises a valve body, a valve cover, a dustproof mechanism, a hand wheel, a lead screw, a valve plate mechanism, a copper nut and a fixed block; the valve cover is fixed above the valve body through bolts; the dustproof mechanism is fixed above the valve cover through a bolt; the screw rod is fixed inside the valve body through a bearing. The utility model discloses the valve body, dustproof mechanism and valve plate mechanism's setting, the valve body bottom adopts the design of no recess formula, rivers are direct to be steadilyd decrease through can not producing pressure, be difficult for forming piling up of debris, the effectual passing rate that has improved the gate valve, it is provided with dustproof mechanism to seal the gate valve top, guarantee to divide the inside clean of gate valve, the inside of avoiding the dust to get into the gate valve arouses the damage of lead screw, the effectual life who improves the gate valve, valve plate mechanism outer lane is provided with the rubber circle, realize the lift of valve plate through the lead screw, through the extrusion rubber circle, realize the sealing of valve body, the effectual sealed effect who seals the.

Description

High-sealing elastic seat seal gate valve

Technical Field

The utility model belongs to the technical field of the gate valve that seals, especially, relate to a high elasticity seat seals gate valve that seals.

Background

The gate valve is also called a gate valve, the opening and closing part of the gate valve is a gate plate, the gate valve is a common valve used in a pipeline, and the gate valve is used for connecting or blocking the flow of a medium under the conditions of high temperature and high pressure in a power station, particularly a thermal power station and the petrochemical industry.

The invention discloses a high-sealing elastic seat seal gate valve, which is named as CN 207333770U and comprises a valve cover, a valve body and a rotary screw valve rod, wherein the bottom of the valve cover is fixedly connected with the valve body through a locking nut, the rotary screw valve rod is inserted into the valve cover, the top of the outer wall of the rotary screw valve rod is fixedly connected with a handle, the bottom of the outer wall of the rotary screw valve rod is in threaded connection with a valve plate, one side of the valve plate is symmetrically and fixedly connected with a valve plate sealing surface, one side of the upper surface of the valve plate is symmetrically and fixedly connected with a sliding block, the inner wall of the valve body is symmetrically provided with sliding grooves matched with the sliding block, a valve penetrating through the valve body is arranged in the valve body, the top of the valve is symmetrically and fixedly connected with. But current high sealed elasticity seat seals the gate valve and exists, and the valve body adopts the recess formula design, produces the accumulation of debris easily, and degressive pressure seals the gate valve inside sealed effect relatively poor, causes the corruption of sealing the gate valve, reduces the life of sealing the gate valve, adopts pure metal to seal the effect relatively poor, reduces the problem of sealing the gate valve sealed effect.

Therefore, it is necessary to develop a high-sealing elastic seat gate valve.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a high sealed elasticity seat seals gate valve to solving current high sealed elasticity seat and sealing the gate valve and existing, the valve body adopts recess formula design, produces piling up of debris easily, and pressure steadilys decrease, it is relatively poor to seal the inside sealed effect of gate valve, causes the corruption of sealing the gate valve, reduces the life of sealing the gate valve, adopts pure metal to seal the effect relatively poor, reduces the problem of sealing the gate valve sealed effect. A high-sealing elastic seat seal gate valve comprises a valve body, a valve cover, a dustproof mechanism, a hand wheel, a screw rod, a valve plate mechanism, a copper nut and a fixed block, wherein the valve cover is fixed above the valve body through a bolt; the dustproof mechanism is fixed above the valve cover through a bolt; the screw rod is fixed inside the valve body through a bearing; the hand wheel is fixed above the screw rod through a bolt; the valve plate mechanism is arranged inside the valve body; the copper nut is fixed above the valve plate mechanism by welding and is in threaded connection with the screw rod; the fixed block adopts 2, and the fixed block setting is in the inside of valve body.

The dustproof mechanism comprises a dustproof cover, countersunk holes, a dustproof cover and O-shaped sealing rings, wherein 2 countersunk holes are formed in the countersunk holes and are formed in two sides of the dustproof cover; the dust cover is fixedly fixed above the dust cover through bolts; the O-shaped sealing ring is fixed below the inner part of the dustproof cover through clamping.

The valve plate mechanism comprises a valve plate, a spring, a fixing ring and a rubber ring, wherein a groove is formed in the middle of the valve plate; the spring is fixed in the valve plate groove through a pressing bolt; the fixed ring is fixed on the outer side of the spring through a pressing bolt; the rubber ring is fixed on the outer side of the fixing ring through a bolt, and one part of the rubber ring is arranged in the groove of the valve plate.

The valve body is arranged in an inverted T shape, a through hole is formed in the middle of the valve body, and flange plates are arranged on two sides of the valve body; the hand wheel is circular; a through hole is formed in the valve cover; the fixed blocks are arranged on two sides of the valve plate mechanism.

The depth of the valve plate groove is set to be 50-80 mm; the fixing ring is made of plastic; the rubber ring is arranged in an inverted trapezoid shape.

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

1. the utility model discloses the setting of valve body, valve body bottom adopt the design of no recess formula, and rivers are direct to be steadilyd decrease through can not producing pressure, are difficult for forming piling up of debris, the effectual percent of pass that has high sealed gate valve.

2. The utility model discloses dustproof mechanism's setting is provided with dustproof mechanism above the sealing gate valve, guarantees to divide the inside clean of gate valve, avoids the dust to get into the inside damage that arouses the lead screw of sealing gate valve, the effectual life who improves the sealing gate valve.

3. The utility model discloses the setting of valve plate mechanism, valve plate mechanism outer lane are provided with the rubber circle, realize the lift of valve plate through the lead screw, through the extrusion rubber circle, realize the sealing of valve body, the effectual sealed effect that seals the gate valve that has improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the dustproof mechanism in fig. 1 according to the present invention.

Fig. 3 is a schematic structural view of the valve plate mechanism in fig. 1 according to the present invention.

In the figure:

1-valve body, 2-valve cover, 3-dustproof mechanism, 31-dustproof cover, 32-counter bore, 33-dustproof cover, 34-O-shaped sealing ring, 4-hand wheel, 5-screw rod, 6-valve plate mechanism, 61-valve plate, 62-spring, 63-fixing ring, 64-rubber ring, 7-copper nut and 8-fixing block.

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below, 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 shall belong to the protection scope of the present invention.

As shown in figures 1 to 3.

The utility model provides a high sealed elasticity seat seals gate valve, including valve body 1, valve gap 2, dustproof mechanism 3, hand wheel 4, lead screw 5, valve plate mechanism 6, copper nut 7 and fixed block 8, through the flange of valve body 1 will seal the gate valve and install on the pipeline, realize opening and closing of valve plate mechanism 6 through rotating hand wheel 4, valve body 1 bottom adopts the design of no recess formula, rivers directly pass through can not produce pressure and decrement, be difficult for forming the pile-up of debris, the effective high passing rate of sealing the gate valve, seal the gate valve top and be provided with dustproof mechanism 3, dust cover 33 carries out the once separation of dust, O type circle 34 carries out the secondary separation to the dust, guarantee to divide the inside of gate valve clean, avoid the dust to get into the inside of sealing the gate valve and cause the damage of lead screw, the effective life who improves the seal the gate valve, 6 outer lane of valve plate mechanism is provided with rubber circle 64, realize, the 5 extrusion rubber rings 64 of rotation lead screw, the extrusion of spring 62 atress realize the sealed of valve body, and the valve plate 61 rises spring 62 and unloads power, with rubber rings 64 reconversion, the effectual sealed effect that seals the gate valve that has improved.

The valve body is arranged in an inverted T shape, the upper part is small, the lower part is large, a through hole is formed in the middle of the valve body, and the two sides of the valve body are provided with flange plates, so that the installation and the use of the gate sealing valve are facilitated; the hand wheel is round, so that the opening and closing of an operator are facilitated; a through hole is formed in the valve cover, so that the screw rod 5 can be conveniently installed; the fixed blocks are arranged on two sides of the valve plate mechanism and used for positioning the lifting of the valve plate mechanism 6.

The depth of the valve plate groove is set to be 50-80mm, so that the spring 62 is convenient to mount; the fixing ring is made of plastic materials and can be bent; the rubber ring is arranged in an inverted trapezoid shape, so that the rubber ring 64 can be extruded and contracted conveniently.

Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.

Claims

1. The utility model provides a high sealed elasticity seat seals gate valve which characterized in that: the valve comprises a valve body (1), a valve cover (2), a dustproof mechanism (3), a hand wheel (4), a screw rod (5), a valve plate mechanism (6), a copper nut (7) and a fixing block (8), wherein the valve cover (2) is fixed above the valve body (1) through a bolt; the dustproof mechanism (3) is fixed above the valve cover (2) through a bolt; the screw rod (5) is fixed inside the valve body (1) through a bearing; the hand wheel (4) is fixed above the screw rod (5) through a bolt; the valve plate mechanism (6) is arranged inside the valve body (1); the copper nut (7) is fixed above the valve plate mechanism (6) through welding, and the copper nut (7) is in threaded connection with the screw rod (5); the number of the fixing blocks (8) is 2, and the fixing blocks (8) are arranged in the valve body (1).

2. The high seal elastomeric seating gate valve of claim 1, wherein: the dustproof mechanism (3) comprises a dustproof cover (31), countersunk holes (32), dustproof covers (33) and O-shaped sealing rings (34), wherein the number of the countersunk holes (32) is 2, and the countersunk holes (32) are formed in two sides of the dustproof cover (31); the dust cover (33) is fixedly fixed above the dust cover (31) through bolts; the O-shaped sealing ring (34) is fixed below the inner part of the dust cover (31) through clamping.

3. The high seal elastomeric seating gate valve of claim 1, wherein: the valve plate mechanism (6) comprises a valve plate (61), a spring (62), a fixing ring (63) and a rubber ring (64), wherein a groove is formed in the middle of the valve plate (61); the springs (62) are multiple, and the springs (62) are fixed inside the grooves of the valve plate (61) through pressing bolts; the fixing ring (63) is fixed on the outer side of the spring (62) through a pressing bolt; the rubber ring (64) is fixed on the outer side of the fixing ring (63) through a bolt, and one part of the rubber ring (64) is arranged inside the groove of the valve plate (61).

4. The high seal elastomeric seating gate valve of claim 1, wherein: the valve body (1) is arranged in an inverted T shape, a through hole is formed in the middle of the valve body (1), and flange plates are arranged on two sides of the valve body (1); the hand wheel (4) is round; a through hole is formed in the valve cover (2); the fixed blocks (8) are arranged on two sides of the valve plate mechanism (6).

5. The high seal elastomeric seating gate valve of claim 3, wherein: the depth of the groove of the valve plate (61) is set to be 50-80 mm; the fixing ring (63) is made of plastic; the rubber ring (64) is arranged in an inverted trapezoid shape.