CN211203093U

CN211203093U - Anti-reversal valve

Info

Publication number: CN211203093U
Application number: CN201921413838.8U
Authority: CN
Inventors: 吴小磊
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-28
Filing date: 2019-08-28
Publication date: 2020-08-07
Anticipated expiration: 2029-08-28

Abstract

The utility model provides a prevent reversing valve, including the valve body, the connection pad, sealed the pad, the gim peg, the valve rod, fixed establishment, flange, the buffer tube, connector and hand wheel, wherein: the lower part of the connecting disc is welded above the valve body, the lower part of the connecting disc is nested outside the valve rod, and a sealing gasket is arranged between the connecting discs; the connecting disc is fixed by the fixing bolt through threads, the valve rod is embedded in the valve body and connected with the valve ball through a bolt, and the hand wheel is installed at the upper end of the valve rod through the bolt; the connecting flange is welded on one side of the valve body, the connecting flange is connected with a buffer tube through a bolt, and a connecting port is welded at one end of the buffer tube; the fixing mechanism is arranged on the surface of the valve rod through a sliding groove. The utility model discloses sealed pad, fixed establishment, flange and gear shaft's setting blocks that to reverse the degree by force, and the pressure still can not appear reversing, the marketing and the application of being convenient for when too big.

Description

Anti-reversal valve

Technical Field

The utility model relates to a valve equipment field especially relates to a prevent reversing valve.

Background

The valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like. Valves used in fluid control systems, from the simplest shut-off valves to the most sophisticated valves used in autonomous systems, are of a wide variety of types and sizes, but are easily pushed in reverse by the internal high pressure liquid.

The national patent number CN 106763923A is named as a backflow prevention one-way valve, and based on the fluid mechanics design, firstly, the upper and lower valve blades automatically open and close without external force. And secondly, the upper and lower valve blades are not tensioned or supported by springs, and are opened without initial energy, so that the energy consumption of the system is reduced. And thirdly, through fluid calculation optimization, the system resistance is the lowest, the total resistance of the air filter is additionally increased as little as possible, and the energy consumption of the system is further reduced. However, the existing anti-reversal valve still has the problems that the blocking reversal degree is poor, and the reversal still occurs when the pressure is overlarge.

Therefore, it is necessary to invent an anti-reverse valve.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a prevent reversing valve to solve current prevent reversing valve and still existing to block to reverse the degree poor, the problem that can still appear reversing when pressure is too big. The utility model provides an anti-reversion valve, includes the valve body, the connection pad, sealed the pad, the gim peg, the valve rod, fixed establishment, flange, the buffer tube, connector and hand wheel, wherein: the lower part of the connecting disc is welded above the valve body, the lower part of the connecting disc is nested outside the valve rod, and a sealing gasket is arranged between the connecting discs; the connecting disc is fixed by the fixing bolt through threads, the valve rod is embedded in the valve body and connected with the valve ball through a bolt, and the hand wheel is installed at the upper end of the valve rod through the bolt; the connecting flange is welded on one side of the valve body, the connecting flange is connected with a buffer tube through a bolt, and a connecting port is welded at one end of the buffer tube; the fixing mechanism is arranged on the surface of the valve rod through a sliding groove; the fixing mechanism comprises a sliding ring, a fixing latch, a fixing ring and a fixing hole, the fixing latch is welded below the fixing mechanism, and the fixing hole is formed in the surface of the fixing ring; the fixing ring is welded on the surface of the connecting disc; the buffer tube comprises a connecting plate, a connecting hole, a fixing frame, a gear rotating shaft and a fan blade, wherein the connecting hole is formed in the surface of the connecting plate, and the fixing frame is embedded in an opening in the surface of the connecting plate; the gear rotating shaft is installed on the surface of the fixing frame through bolts, and the fan blades are installed on the surface of the gear rotating shaft through bolts.

The sealing gasket is a circular sheet supported by circular hard rubber, and a circular hole for internal equipment to pass through is formed in the sealing gasket.

All the fixing mechanisms are made of steel metal products, 4 fixing bolts and 4 fixing holes are arranged in the fixing mechanisms, and the fixing bolts and the fixing holes are arranged at ninety degrees.

The connecting flange is a round steel metal disc, and a plurality of simultaneous connections can be carried out according to needs.

The gear rotating shaft is a copper metal bearing which can move only in one direction, a plurality of protruding teeth are arranged on the surface of the copper metal bearing, and the rotatable part on the outer side is made of square steel metal sheets.

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

1. the utility model discloses the setting of sealed pad is favorable to preventing that inside high-pressure liquid from leaking from its tiny gap, the effectual whole leakproofness that improves the valve.

2. The utility model discloses fixing mechanism's setting is favorable to pulling up fixing mechanism when rotating the valve, makes the dead bolt break away from the fixed orifices, rotates and puts into the fixed orifices with the dead bolt after accomplishing, causes the valve to reverse when preventing that inside high-pressure liquid from passing through the valve.

3. The utility model discloses gear shaft's setting is favorable to promoting the flabellum when inside rivers forward movement and rotates, and the flabellum can't rotate under gear shaft's effect when inside rivers are reverse to removing, forms to block, weakens the speed of reverse rivers.

Drawings

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

Fig. 2 is a schematic structural diagram of the fixing mechanism of the present invention.

Fig. 3 is a schematic diagram of the buffer tube of the present invention.

In the figure:

1-valve body, 2-connecting disc, 3-sealing gasket, 4-fixing bolt, 5-valve rod, 6-fixing mechanism, 61-sliding ring, 62-fixing latch, 63-fixing ring, 64-fixing hole, 7-connecting flange, 8-buffer tube, 81-connecting plate, 82-connecting hole, 83-fixing frame, 84-gear rotating shaft, 85-fan blade, 9-connecting port and 10-hand wheel.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

example (b):

as shown in figures 1 to 3

The utility model provides a prevent reversing valve, including valve body 1, connection pad 2, sealed pad 3, gim peg 4, valve rod 5, fixed establishment 6, flange 7, buffer tube 8, connector 9 and hand wheel 10, wherein: the lower part of the connecting disc 2 is welded above the valve body 1, the lower part of the connecting disc 2 is nested outside the valve rod 5, and a sealing gasket 3 is arranged between the connecting discs 2; the fixing bolt 4 fixes the connecting disc 2 through threads, the valve rod 5 is embedded in the valve body 1 and connected with a valve ball through a bolt, and the hand wheel 10 is installed at the upper end of the valve rod 5 through a bolt; the connecting flange 7 is welded on one side of the valve body 1, the connecting flange 7 is connected with a buffer tube 8 through bolts, and one end of the buffer tube 8 is welded with a connecting port 9; the fixing mechanism 6 is arranged on the surface of the valve rod 5 through a sliding chute; the fixing mechanism 6 comprises a sliding ring 61, a fixing latch 62, a fixing ring 63 and a fixing hole 64, the fixing latch 62 is welded below the fixing mechanism 6, and the fixing hole 64 is arranged on the surface of the fixing ring 63; the fixing ring 63 is welded on the surface of the connecting disc 2; the buffer tube 8 comprises a connecting plate 81, a connecting hole 82, a fixing frame 83, a gear rotating shaft 84 and fan blades 85, wherein the connecting hole 82 is formed in the surface of the connecting plate 81, and the fixing frame 83 is embedded in an opening in the surface of the connecting plate 81; the gear rotation shaft 84 is installed on the surface of the fixing frame 83 by bolts, and the fan blades 85 are installed on the surface of the gear rotation shaft 84 by bolts.

The sealing gasket 3 is a circular sheet supported by circular hard rubber, and a round hole for internal equipment to pass through is formed in the sealing gasket 3, so that internal high-pressure liquid is prevented from leaking from a small gap, and the overall sealing performance of the valve is effectively improved.

The fixing mechanism 6 is made of steel metal products, the number of the fixing bolts 62 and the number of the fixing holes 64 in the fixing mechanism 6 are 4, the fixing bolts 62 and the fixing holes 64 are arranged ninety degrees, the fixing mechanism 6 is pulled up when the valve is rotated, the fixing bolts 62 are separated from the fixing holes 64, the fixing bolts 62 are placed into the fixing holes 64 after the valve is rotated, and the valve is prevented from being reversed when internal high-pressure liquid passes through the valve.

Connecting flange 7 adopts circular steel metal disc, and connecting flange 7 sees can carry out a plurality of connections simultaneously as required, is favorable to connecting the effectual speed that slows down inside reverse flow liquid of a plurality of gear shaft 84.

Gear shaft 84 adopts the copper metal bearing that can only move to one direction, and its surface is provided with a plurality of bellied teeth, and the rotatable part in outside adopts square steel sheetmetal, is favorable to promoting flabellum 85 to rotate when inside rivers forward movement, and flabellum 85 can't rotate under gear shaft 84's effect when inside rivers reverse direction is removed, forms and blocks, weakens the speed of reverse rivers.

Principle of operation

The utility model discloses in, the setting of sealed pad 3, be favorable to preventing that inside high-pressure liquid from leaking from its tiny gap, the effectual whole leakproofness that improves the valve, fixing mechanism 6's setting, be favorable to pulling up fixing mechanism 6 when rotating the valve, make fixed latch 62 break away from fixed orifices 64, put into fixed orifices 64 with fixed latch 62 after the rotation is accomplished, cause the valve to reverse when preventing inside high-pressure liquid from passing through the valve, flange 7's setting, be favorable to connecting the effectual speed that slows down inside reverse flow liquid of a plurality of gear shaft 84, gear shaft 84's setting, be favorable to promoting flabellum 85 to rotate when inside rivers positive removal, flabellum 85 can't rotate under gear shaft 84's effect when inside rivers reverse direction removal, form and block, weaken the speed of reverse rivers.

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. An anti-reverse valve, characterized in that: including valve body (1), connection pad (2), sealed pad (3), gim peg (4), valve rod (5), fixed establishment (6), flange (7), buffer tube (8), connector (9) and hand wheel (10), wherein: the lower part of the connecting disc (2) is welded above the valve body (1), the lower part of the connecting disc (2) is nested outside the valve rod (5), and a sealing gasket (3) is arranged between the connecting discs (2); the fixing bolt (4) fixes the connecting disc (2) through threads, the valve rod (5) is embedded in the valve body (1) and connected with the valve ball through a bolt, and the hand wheel (10) is installed at the upper end of the valve rod (5) through a bolt; the connecting flange (7) is welded on one side of the valve body (1), the connecting flange (7) is connected with a buffer tube (8) through bolts, and one end of the buffer tube (8) is welded with a connecting port (9); the fixing mechanism (6) is arranged on the surface of the valve rod (5) through a sliding groove; the fixing mechanism (6) comprises a sliding ring (61), a fixing bolt (62), a fixing ring (63) and a fixing hole (64), the fixing bolt (62) is welded below the fixing mechanism (6), and the fixing hole (64) is formed in the surface of the fixing ring (63); the fixing ring (63) is welded on the surface of the connecting disc (2); the buffer tube (8) comprises a connecting plate (81), a connecting hole (82), a fixing frame (83), a gear rotating shaft (84) and a fan blade (85), the connecting hole (82) is formed in the surface of the connecting plate (81), and the fixing frame (83) is embedded in an opening in the surface of the connecting plate (81); the gear rotating shaft (84) is installed on the surface of the fixing frame (83) through bolts, and the fan blades (85) are installed on the surface of the gear rotating shaft (84) through bolts.

2. An anti-inversion valve as defined in claim 1, wherein: the sealing gasket (3) is a circular sheet supported by circular hard rubber, and a round hole for internal equipment to pass through is formed in the sealing gasket (3).

3. An anti-inversion valve as defined in claim 1, wherein: the fixing mechanism (6) is made of steel metal products, 4 fixing bolts (62) and 4 fixing holes (64) are arranged in the fixing mechanism (6), and the fixing bolts (62) and the fixing holes (64) are arranged at ninety degrees.

4. An anti-inversion valve as defined in claim 1, wherein: the connecting flange (7) is a round steel metal disc, and the connecting flange (7) can be connected simultaneously as required.

5. An anti-inversion valve as defined in claim 1, wherein: the gear rotating shaft (84) is a copper metal bearing which can move only in one direction, a plurality of protruding teeth are arranged on the surface of the bearing, and a square steel metal sheet is adopted as an outer rotatable part.