CN210265941U

CN210265941U - Mechanical valve element capable of automatically closing and automatically compensating abrasion

Info

Publication number: CN210265941U
Application number: CN201921131026.4U
Authority: CN
Inventors: 赵坤
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-18
Filing date: 2019-07-18
Publication date: 2020-04-07
Anticipated expiration: 2029-07-18

Abstract

The utility model discloses an automatic mechanical type valve element of closing automatic compensation wearing and tearing, include: the valve comprises an upper valve core shell, a lower valve core shell, a fixed ring piece rubber gasket, a fixed ring piece, a movable ring piece rubber gasket, a valve rod rotating shaft, a movable valve piece and a fixed valve piece; a lower valve core shell is arranged below the upper valve core shell; a fixed ring sheet is arranged below the fixed ring sheet rubber pad; a movable ring sheet and a movable ring sheet rubber pad are arranged below the fixed ring sheet; the valve rod penetrates through the movable ring piece rubber gasket, the movable ring piece, the fixed ring piece rubber gasket and the upper valve core shell in sequence; a valve rod rotating shaft is arranged below the valve rod; a movable valve plate is arranged below the valve rod rotating shaft; a fixed valve plate is arranged below the movable valve plate; the side surface of the lower valve core shell is symmetrically provided with water inlets; the water inlet is not lower than the height of the movable valve plate. The structure of the device can avoid water dripping and leaking caused by abrasion. This device adopts ceramic gasket, and life increases greatly.

Description

Mechanical valve element capable of automatically closing and automatically compensating abrasion

Technical Field

The utility model belongs to the technical field of the valve technique and specifically relates to a mechanical type valve element of automatic closing automatic compensation wearing and tearing.

Background

The automatic closing valves in water cut-off at present on the market are divided into 2 types: one is electrodynamic type simple in construction but with high costs, the remaining one is divided into metal conical surface or plane and rubber stopper, the metal conical surface cooperates with concave surface or plane to fit and belong to the hard seal, the difficulty is large in the actual processing, the high precision requires the high error, the sealed working face is apt to abrade, corrode, stay impurity and cause and leak while closing in use, the sealed one of the rubber stopper is apt to age, abrade and cause the high requirement for the cleanliness of medium of the pipeline, but often because the raw material belt produced by pipeline maintenance remains waste material, iron slag, iron rust, sand grain of PE or PPR welding cut surface, etc. causes the rubber stopper bayonet socket to leak water not strictly when actually using, in addition because of their own friction resistance of above two kinds of large, etc. cause the valve switch heavy number of turns, lose the valve switch should be light and flexible and convenient, and the larger friction resistance will reduce by times the switch life time of the valve, in addition, the ceramic valve plate for sealing the ceramic valve core valve on the market is sealed by matching gaps, so that the valve is not closed tightly and is not durable when slightly worn.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic mechanical type valve core that closes and compensate wearing and tearing automatically.

To achieve the above object, the present invention adopts the following:

an automatic closing mechanical valve element capable of automatically compensating for abrasion, comprising: the valve comprises an upper valve core shell, a lower valve core shell, a fixed ring piece rubber gasket, a fixed ring piece, a movable ring piece rubber gasket, a valve rod rotating shaft, a movable valve piece, a fixed valve piece and a silica gel gasket; a lower valve core shell is arranged below the upper valve core shell; a fixed ring sheet rubber pad is arranged above an inner space formed by the upper valve core shell and the lower valve core shell; a fixed ring sheet is arranged below the fixed ring sheet rubber pad; a movable ring sheet and a movable ring sheet rubber pad are arranged below the fixed ring sheet; the valve rod penetrates through the movable ring piece rubber gasket, the movable ring piece, the fixed ring piece rubber gasket and the upper valve core shell in sequence; a valve rod rotating shaft is arranged below the valve rod; the valve rod rotating shaft is matched with the movable ring piece; a movable ring piece rubber pad is arranged at an included angle formed by the valve rod, the valve rod rotating shaft and the movable ring piece; a movable valve plate is arranged below the valve rod rotating shaft; a fixed valve plate is arranged below the movable valve plate; a silica gel pad is arranged below the fixed valve plate; the side surface of the lower valve core shell is symmetrically provided with water inlets; the water inlet is not lower than the height of the movable valve plate; and a limiting lug is arranged between every two water inlets.

Preferably, two convex edges are arranged on the inner circle of the fixed ring piece rubber gasket; the convex edge is matched with the valve rod. The sealing can still be kept when the valve rod moves downwards under the external force.

Preferably, the lower surface of the valve rod rotating shaft is provided with a rectangular convex block. And the rotation is realized by matching with the movable valve plate.

Preferably, the lower part of the side surface of the movable valve plate is provided with symmetrical hollow water passing parts, and the outer sides of the hollow water passing parts are provided with arc-shaped walls; the upper surface of the movable valve plate is provided with a rectangular groove. The rectangle recess cooperation valve rod pivot realizes rotatoryly, and when the fan-shaped hole of water portion alignment fixed valve block is crossed to the recess, rivers circulate, and the arc wall receives the water pressure effect when rivers pass through, provides decurrent pressure, makes the movable valve block hug closely fixed valve block.

Preferably, the upper surface of the fixed valve plate is provided with two symmetrical fan-shaped holes. The sealing device is used for passing water flow, and simultaneously achieves the effects of improving the water flow and being easy to seal as much as possible.

Preferably, the top of the valve rod is provided with a convolution spring. When water is cut off, the valve core is automatically closed.

Preferably, four limiting grooves are formed in the inner wall of the bottom of the lower valve core shell.

Preferably, the bottom side of the fixed valve plate is provided with two limiting lugs. The fixed valve plate is fixed to prevent the fixed valve plate from rotating.

The utility model has the advantages of it is following:

1. the structure of the device can automatically adjust the working positions of the movable valve plate, the movable ring plate and the valve rod rotating shaft under medium pressure, thereby avoiding water dripping and water leakage caused by abrasion.

2. This device adopts ceramic gasket, and life increases greatly.

3. The device also has the function of a one-way valve when closed.

4. The water inlet and outlet can not be installed in the direction adjustment way when the device is installed.

Drawings

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Fig. 1 is a schematic structural view of a mechanical valve element of the present invention, which can automatically close and compensate for wear;

FIG. 2 is a schematic structural view of the mechanical valve element of the present invention, which is automatically closed and compensates for wear, when opened;

fig. 3 is a schematic view of a mechanical valve core water stop wall of the present invention, which is automatically closed and compensates for wear;

FIG. 4 is a schematic view of a mechanical valve element fixed valve plate of the present invention, which can be automatically closed and can automatically compensate for wear;

FIG. 5 is a schematic view of a mechanical valve element of the present invention, which can be automatically closed to compensate for wear;

FIG. 6 is a schematic view of a mechanical valve element moving ring piece of the present invention, which can be automatically closed and can automatically compensate for wear;

fig. 7 is a schematic structural view of a mechanical valve element valve rod and a valve rod rotating shaft of the automatic closing and automatic wear compensation valve of the present invention;

fig. 8 is a schematic view of a mechanical valve element ring plate of the present invention, which can be automatically closed and compensate for wear.

In the figures, the various reference numbers are:

1-valve body shell, 2-water-stop wall, 211-bearing part, 212-separating part, 3-upper valve core shell, 4-lower valve core shell, 5-fixed ring sheet rubber gasket, 6-fixed ring sheet, 7-movable ring sheet, 71-positioning groove, 8-movable ring sheet rubber gasket, 9-valve rod, 10-valve rod rotating shaft, 1001-support arm, 1002-rectangular lug, 11-movable valve sheet, 111-rectangular groove, 112-concave water passing part, 113-arc wall, 12-fixed valve sheet, 121-fan-shaped hole, 13-silica gel pad, 14-water passing hole, 15-thread, 16-water inlet, 17-O-shaped ring and 18-convolution spring.

Detailed Description

In order to illustrate the invention more clearly, the invention is further described below with reference to preferred embodiments. It is to be understood by persons skilled in the art that the following detailed description is illustrative and not restrictive, and is not to be taken as limiting the scope of the invention.

As shown in fig. 1 to 8, a mechanical valve cartridge for automatically closing and automatically compensating for wear includes: the valve core comprises an upper valve core shell 3, a lower valve core shell 4, a fixed ring piece rubber gasket 5, a fixed ring piece 6, a movable ring piece 7, a movable ring piece rubber gasket 8, a valve rod 9, a valve rod rotating shaft 10, a movable valve plate 11, a fixed valve plate 12 and a silica gel gasket 13;

a valve body shell 1 is arranged outside the valve core, the valve body shell 1 is of a structure similar to a three-way pipe fitting, and the valve body shell 1 is provided with three openings; a water-stop wall 2 is arranged inside the valve body shell 1, and the valve body shell 1 and the water-stop wall 2 are fixedly connected into a whole; the water-stop wall 2 is Z-shaped and comprises a bearing part 211 and two semicircular separating parts 212; the bearing part 211 is rectangular, and two short sides of the rectangle are connected to the valve body shell 1; the separating parts 212 are respectively positioned on two long sides of the bearing part 211, the two separating parts 212 are in central symmetry through the central point of the bearing part 211, and the separating parts 212 are connected with the valve body shell 1; the center of the bearing part 211 is provided with a water through hole 14; that is, the inside of the valve body housing 1 is partitioned by the water stop wall 2, only the water through hole 14 on the water stop wall 2 can pass through, and the entire valve body mechanism is mounted on the bearing portion 211.

Further, the upper valve core shell 3 is arranged inside the valve body shell 1, the upper valve core shell 3 is connected with the valve body shell 1 through threads 15, the upper valve core shell 3 is sealed with the valve body shell 1 through an O-shaped ring 17, and the O-shaped ring 17 is arranged above the threads 15; the thread 15 is connected and is convenient to detach, operations such as replacing a valve core are carried out, an O-shaped ring 17 is additionally arranged above the thread 15, and the phenomenon that the thread is not tightly sealed and water leakage is caused is prevented.

Further, a lower valve core shell 4 is arranged below the upper valve core shell 3, the upper valve core shell 3 is in an inverted concave shape, the lower valve core shell 4 is in a convex shape, the upper part of the lower valve core shell 4 is inserted into the upper valve core shell 3, and the upper valve core shell and the lower valve core shell are matched;

furthermore, a fixed ring rubber gasket 5 is arranged above an inner space formed by the upper valve core shell 3 and the lower valve core shell 4 and used for sealing the fixed ring 6 and the upper valve core shell 3, two convex edges are arranged on the inner circle of the fixed ring rubber gasket 5 and are in contact with the valve rod 9, and when the valve rod 9 is forced to move downwards, water pressure can extrude the convex edges to enable the convex edges to still seal the valve rod 9; a fixed ring sheet 6 is arranged below the fixed ring sheet rubber pad 5, and the fixed ring sheet 6 is in a shape of a Chinese character 'tu', and is reversely buckled above the lower valve core shell 4; when the upper valve core shell 3 is screwed up, the lower valve core shell 4 is in excessive fit connection with the fixed ring piece 6.

Furthermore, a movable ring sheet 7 is arranged below the fixed ring sheet 6, the movable ring sheet 7 is made of ceramic materials, a layer of annular boss is arranged at the bottom of the movable ring sheet, the requirement that a micro gap is reserved on the periphery of a working surface is met, the movable ring sheet 7 can support the upper end face of the lower valve core shell, a gap is reserved between the outer side of the movable ring sheet 7 and the periphery of the lower valve core shell 4, and a movable ring sheet rubber pad 8 is arranged on the inner side of the movable ring sheet; the lower part contacts the valve rod rotating shaft 10; the lower surface of the movable ring piece 7 is provided with two positioning grooves 71; the valve rod 9 sequentially penetrates through the fixed ring piece rubber gasket 5, the fixed ring piece 6, the movable ring piece 7 and the upper valve core shell 3; a valve rod rotating shaft 10 is arranged below the valve rod 9; the valve rod rotating shaft 10 is U-shaped, and two support arms 1001 of the valve rod rotating shaft 10 are inserted into the positioning grooves 71 of the movable ring piece 7; the valve rod rotating shaft 10 is matched with the movable ring piece 7, and the valve rod rotating shaft 10 is inserted into the movable ring piece 7; namely, the stem shaft 10 rotates, and the two arms 1001 are engaged with the moving ring 7 in the positioning groove 71.

Further, a movable valve plate 11 is arranged below the valve rod rotating shaft 10, a rectangular bump 1002 is arranged on the lower surface of the valve rod rotating shaft 10, and rectangular grooves 111 are formed in the upper surface of the movable valve plate 11 and matched with each other; the movable valve plate 11 is rectangular, two short sides of the movable valve plate are provided with arc sides matched with the lower valve core shell 4, the lower part of the side surface of the long side of the movable valve plate 11 is provided with a hollow water passing part 112, and the hollow water passing part 112 is similar to a sector; the outer side of the hollow water passing part is also provided with an arc-shaped wall 113, when the hollow water passing part 112 passes water, the water pressure can press the arc-shaped wall 113, so that the movable valve plate 11 is tightly attached to the static valve plate 12; a fixed valve plate 12 is arranged below the movable valve plate 11, two symmetrical fan-shaped holes 121 are formed in the surface of the fixed valve plate 12, and two hollow water passing parts 112 of the movable valve plate 11 just correspond to the fan-shaped holes 121; the rotation of the movable valve plate 11 can control whether the fan-shaped holes 121 pass through water flow.

Furthermore, the bottom side of the fixed valve plate 12 is provided with two limiting convex blocks, the inner wall of the bottom of the lower valve core shell 4 is provided with four limiting grooves, and the limiting convex blocks are matched with the limiting grooves, so that the fixed valve plate 12 rotates concentrically along with the valve rod rotating shaft 10, and when the valve core needs to be reversely switched, the rotating angle of the fixed valve plate 12 is changed for standby.

Further, the water-stop wall 2 and the lower valve core shell 4 are sealed through a silica gel pad 13, and the thickness of the silica gel pad 13 is higher than the bottom of the lower valve core shell 4, so that a pressing allowance is reserved when the thread 15 is screwed down; the side of the lower valve core shell 4 is provided with a water inlet 16, the water inlets 16 are symmetrical in pairs, and a limiting bump is arranged between each two water inlets 16, so that the valve rod rotating shaft 10 can only rotate 90 degrees, and the fixed valve plate 12 is accurately matched with the movable valve plate 11.

Further, a convolution spring 18 is arranged on the top of the valve rod 9, and the convolution spring 18 enables the valve rod 9 to reset when no pressure exists in the valve core.

The working principle of the device is as follows: water flows in from the water inlet 16 to fill the valve core, pressure pushes the valve rod rotating shaft 10 and the moving ring piece 7 to move upwards, the moving valve plate 11 moves downwards, at the same time, two hollow water passing parts 112 of the moving valve plate 11 are completely staggered with two fan-shaped holes 121 of the fixed valve plate 12, the whole valve core is in a closed state, when the valve rod 9 is screwed to rotate 90 degrees, because the rectangular convex blocks 1002 on the lower surface of the valve rod rotating shaft 10 are matched with the rectangular grooves 111 of the moving valve plate 11, the moving valve plate 11 also rotates 90 degrees, at the same time, the two fan-shaped holes 121 of the fixed valve plate 12 leak, water flows out through the fan-shaped holes 121, at the same time, the valve core is in an open state, when the valve rod is closed, the valve rod rotates 90 degrees, the hollow water passing parts 112 of the moving valve plate 11 are staggered with the fan-shaped holes 121, the sealing effect is achieved, because of the water pressure, the moving ring piece 7 and the, when water is stopped, the water pressure disappears, the friction force between the movable valve plate 11 and the fixed valve plate 12 and between the movable ring plate 7 and the fixed ring plate 6 becomes relatively small, the rotary spring 18 can control the valve rod 9 to rotate to the closing position of the movable valve plate 11 and the fixed valve plate 12, no matter how the movable valve plate 11 and the fixed valve plate 12 and the movable ring plate 7 and the fixed ring plate 6 are abraded by friction, the water pressure can enable the movable valve plate 11 and the fixed valve plate 12 to cling to the movable ring plate 7 and the fixed ring plate 6 together when the valve is closed, and therefore water leakage caused by abrasion is avoided.

Obviously, the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention, and it is obvious for those skilled in the art to make other variations or changes based on the above descriptions, and all the embodiments cannot be exhausted here, and all the obvious variations or changes that belong to the technical solutions of the present invention are still in the protection scope of the present invention.

Claims

1. An automatic closing mechanical valve element capable of automatically compensating abrasion, which is characterized by comprising: the valve comprises an upper valve core shell, a lower valve core shell, a fixed ring piece rubber gasket, a fixed ring piece, a movable ring piece rubber gasket, a valve rod rotating shaft, a movable valve piece, a fixed valve piece and a silica gel gasket; a lower valve core shell is arranged below the upper valve core shell; a fixed ring sheet rubber pad is arranged above an inner space formed by the upper valve core shell and the lower valve core shell; a fixed ring sheet is arranged below the fixed ring sheet rubber pad; a movable ring sheet and a movable ring sheet rubber pad are arranged below the fixed ring sheet; the valve rod penetrates through the movable ring piece rubber gasket, the movable ring piece, the fixed ring piece rubber gasket and the upper valve core shell in sequence; a valve rod rotating shaft is arranged below the valve rod; the valve rod rotating shaft is matched with the movable ring piece; a movable ring piece rubber pad is arranged at an included angle formed by the valve rod, the valve rod rotating shaft and the movable ring piece; a movable valve plate is arranged below the valve rod rotating shaft; a fixed valve plate is arranged below the movable valve plate; a silica gel pad is arranged below the fixed valve plate; the side surface of the lower valve core shell is symmetrically provided with water inlets; the water inlet is not lower than the height of the movable valve plate; and a limiting lug is arranged between every two water inlets.

2. The mechanical valve element capable of automatically closing and automatically compensating for abrasion as claimed in claim 1, wherein two convex ribs are arranged on the inner circle of the rubber gasket of the fixed ring sheet; the convex edge is matched with the valve rod.

3. The mechanical valve element capable of automatically closing and automatically compensating for abrasion according to claim 1, wherein a rectangular bump is arranged on the lower surface of the rotating shaft of the valve rod.

4. The mechanical valve element capable of automatically closing and automatically compensating for abrasion as claimed in claim 1, wherein the lower part of the side surface of the movable valve plate is provided with symmetrical hollow water passing parts, and the outer sides of the hollow water passing parts are provided with arc-shaped walls; the upper surface of the movable valve plate is provided with a rectangular groove.

5. The mechanical valve element capable of automatically closing and automatically compensating for abrasion as claimed in claim 1, wherein the upper surface of the fixed valve plate is provided with two symmetrical fan-shaped holes.

6. An automatic closing and automatic wear-compensating mechanical valve element according to claim 2, wherein the top of the valve rod is provided with a convolution spring.

7. The mechanical valve element capable of automatically closing and automatically compensating for abrasion as claimed in claim 1, wherein the inner wall of the bottom of the lower valve element shell is provided with four limiting grooves for limiting the concentric rotation of the fixed valve plate and the valve rod rotating shaft.

8. An automatic-closing and automatic-wear-compensating mechanical valve element according to claim 1, wherein two limiting lugs are arranged on the bottom side surface of the fixed valve plate.

9. An automatic closing and automatic wear-compensating mechanical valve element according to claim 1, wherein the lower surface of the movable ring piece is provided with two positioning grooves; and an annular boss is arranged on the side surface of the movable ring piece.