CN214743547U

CN214743547U - Butt welding connection axial flow type check valve capable of reducing noise

Info

Publication number: CN214743547U
Application number: CN202120882472.XU
Authority: CN
Inventors: 洪晋姚
Original assignee: Huaying Valve Industry Co ltd
Current assignee: Huaying Valve Industry Co ltd
Priority date: 2021-04-27
Filing date: 2021-04-27
Publication date: 2021-11-16
Anticipated expiration: 2031-04-27

Abstract

The utility model discloses a butt welding connection axial flow check valve capable of reducing noise, which comprises a valve body, a composite bearing, four open rings and a guide block, wherein a valve clack is movably arranged in the valve body, a guide shaft penetrates through one side of the valve clack, the end of the guide shaft is connected with the guide block through the composite bearing, and a first spring is wound on the outer side of the guide shaft; the inner wall of valve body is pasted and is had O type circle, and the outside of O type circle is provided with the disk seat, the inside of disk seat is run through there is interior hexagonal socket head cap screw, and the outside of interior hexagonal socket head cap screw is provided with four ring-opening, the fixed setting in the inside of valve body of water conservancy diversion piece. This can reduce butt welding connecting axial flow formula check valve of noise, the inside buffer gear that is equipped with of check valve can reduce the noise that strikes the valve body and produce when discharge is great to play the effect of protection to valve internals, can look over discharge size fast through exterior structure simultaneously.

Description

Butt welding connection axial flow type check valve capable of reducing noise

Technical Field

The utility model relates to an axial-flow type check valve technical field specifically is a butt welding connecting axial-flow type check valve that can reduce noise.

Background

The valve is mainly used for controlling whether fluid flows or not, and the valve is divided into a plurality of types according to different use occasions and requirements, wherein the axial flow type check valve is one of the valves, realizes opening and closing of a valve clack through the flow of the fluid to control the flow, and prevents the fluid from flowing backwards. Then, the existing axial flow check valve still has the following defects in the actual use process:

current check valve is in the use, and when its inside flow was too big, inside the fluid can assault the valve, and then produced great noise, the inside buffer gear that lacks of check valve, consequently long-time so can cause the damage of valve internals, to above-mentioned problem, the urgent need carries out the innovative design on original axial flow check valve's basis.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a butt welding connection axial-flow type check valve that can reduce noise to solve above-mentioned background art and provide some check valves in the use, when its inside flow is too big, inside the valve can be strikeed to the fluid, and then produces great noise, the inside buffer gear that lacks of check valve, consequently long-time so can cause the problem of valve internals's damage.

In order to achieve the above object, the utility model provides a following technical scheme: a butt welding connection axial flow check valve capable of reducing noise comprises a valve body, a composite bearing, four open rings and a flow guide block, wherein a valve clack is movably arranged inside the valve body, a guide shaft penetrates through one side of the valve clack, the end of the guide shaft is connected with the flow guide block through the composite bearing, and a first spring is wound on the outer side of the guide shaft;

the inner wall of valve body is pasted and is had O type circle, and the outside of O type circle is provided with the disk seat, the inside of disk seat is run through there is interior hexagonal socket head cap screw, and the outside of interior hexagonal socket head cap screw is provided with four ring-opening, the fixed setting in the inside of valve body of water conservancy diversion piece.

Preferably, the inner wall of valve body is provided with the elastic membrane, and sets up fixed chamber in the valve body of elastic membrane avris to the outer wall of valve body has the fixed orifices in advance, can drive its deformation like this when fluid strikes the elastic membrane, plays certain cushioning effect.

Preferably, the elastic membrane and the fixed cavity are distributed at equal angles, the fixed cavity is communicated with the fixed cylinder through the fixed hole, the fixed cylinder is fixed at the outer side of the valve body at equal angles, and air in the fixed cavity can be driven to enter the fixed cylinder through the fixed hole after the elastic membrane deforms.

Preferably, the inside activity of fixed cylinder is provided with the valve plate, and the up end of valve plate is fixed with the connecting rod to the outside winding of connecting rod has the second spring, and the connecting rod is the fried dough twist rod structure simultaneously, can drive the valve plate motion after being full of the air in the fixed cylinder.

Preferably, the top cover of connecting rod is equipped with a movable section of thick bamboo, and both are threaded connection to a movable section of thick bamboo and a fixed section of thick bamboo are the bearing connection, can drive a movable section of thick bamboo after the connecting rod removes and rotate.

Preferably, the pointer is sleeved on the outer side of the movable cylinder, the dial plate is fixed on the fixed cylinder on the outer side of the pointer, the rotating range of the pointer is 0-360 degrees, the pointer can be driven to rotate in the rotating process of the movable cylinder, and the water flow is checked through the rotating angle of the pointer.

Compared with the prior art, the beneficial effects of the utility model are that: according to the butt welding connection axial flow type check valve capable of reducing noise, the buffer mechanism is arranged in the check valve, noise generated by impacting a valve body when water flow is large can be reduced, a protection effect is achieved on internal parts of the valve, and meanwhile the water flow can be quickly checked through an external structure;

can strike the elastic membrane and drive its deformation when discharge is great, and then play certain cushioning effect, can push the air in the fixed cavity in the fixed cylinder through the fixed orifices like this, and then drive the valve plate motion, synchronous drive connecting rod motion, through threaded connection between connecting rod and the movable cylinder like this, can drive the movable cylinder and rotate, and drive the synchronous rotation of pointer, and in time learn the discharge size through pointer pivoted angle, then through the resilience of second spring, make things convenient for the valve plate to resume the normal position after rivers stop.

Drawings

FIG. 1 is a schematic view of a front cross-sectional structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the front cross-section structure of the fixed cylinder of the present invention;

fig. 4 is a schematic view of the structure of the watch dial of the present invention.

In the figure: 1. a valve body; 1.1, an elastic membrane; 1.2, fixing the cavity; 1.3, fixing holes; 2. a valve flap; 3. a composite bearing; 4. a guide shaft; 5. a first spring; 6. an O-shaped ring; 7. a valve seat; 8. a socket head cap screw; 9. opening a ring; 10. a flow guide block; 11. a fixed cylinder; 111. a valve plate; 112. a connecting rod; 113. a second spring; 114. a movable barrel; 115. a pointer; 116. a dial plate.

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 butt welding connection axial flow check valve capable of reducing noise comprises a valve body 1, an elastic membrane 1.1, a fixed cavity 1.2, a fixed hole 1.3, a valve clack 2, a composite bearing 3, a guide shaft 4, a first spring 5, an O-shaped ring 6, a valve seat 7, an inner hexagonal socket head screw 8, a four-open ring 9, a flow guide block 10, a fixed cylinder 11, a valve plate 111, a connecting rod 112, a second spring 113, a movable cylinder 114, a pointer 115 and a dial 116, wherein the valve clack 2 is movably arranged in the valve body 1, the guide shaft 4 penetrates through one side of the valve clack 2, the end of the guide shaft 4 is connected with the flow guide block 10 through the composite bearing 3, and the first spring 5 is wound on the outer side of the guide shaft 4;

an O-shaped ring 6 is adhered to the inner wall of the valve body 1, a valve seat 7 is arranged on the outer side of the O-shaped ring 6, an inner hexagonal socket head cap screw 8 penetrates through the inner part of the valve seat 7, a four-open ring 9 is arranged on the outer side of the inner hexagonal socket head cap screw 8, and a flow guide block 10 is fixedly arranged in the valve body 1;

the inner wall of the valve body 1 is provided with an elastic membrane 1.1, a fixing cavity 1.2 is formed in the valve body 1 at the side of the elastic membrane 1.1, and a fixing hole 1.3 is reserved on the outer wall of the valve body 1; the elastic membrane 1.1 and the fixed cavity 1.2 are distributed at equal angles, the fixed cavity 1.2 is communicated with the fixed cylinder 11 through the fixed hole 1.3, and the fixed cylinder 11 is fixed at the outer side of the valve body 1 at equal angles;

as shown in fig. 1 and fig. 3-4, when the water flow is large, the elastic membrane 1.1 can be pushed to deform, so as to drive the air in the fixed cavity 1.2 to enter the movable cylinder 114 through the fixed hole 1.3, and drive the valve plate 111 to move;

a valve plate 111 is movably arranged in the fixed cylinder 11, a connecting rod 112 is fixed on the upper end surface of the valve plate 111, a second spring 113 is wound on the outer side of the connecting rod 112, and the connecting rod 112 is of a twist rod structure; the top of the connecting rod 112 is sleeved with a movable cylinder 114 which is in threaded connection, and the movable cylinder 114 is in bearing connection with the fixed cylinder 11; the outer side of the movable cylinder 114 is sleeved with a pointer 115, a dial 116 is fixed on the fixed cylinder 11 at the outer side of the pointer 115, and the rotation range of the pointer 115 is 0-360 degrees;

as shown in fig. 1 and fig. 3-4, when the valve plate 111 drives the connecting rod 112 to move in the movable cylinder 114, the movable cylinder 114 can be driven to rotate, and the pointer 115 can be driven to rotate to different angles, so that when the flow rate changes, the pointer 115 can be driven to point to different positions, and the flow rate in the valve body 1 can be conveniently monitored in real time, and through the arrangement of the second spring 113, the valve plate 111 can be driven to recover the original position when the flow rate is smaller or stopped.

The working principle is as follows: firstly, as shown in fig. 1-4, when the valve body 1 is in use, fluid enters from the left end of the valve body, when the fluid impacts the valve flap 2, the fluid can be driven to slide on the guide shaft 4, and the first spring 5 is driven to compress, so that the fluid can pass through and flow to the right end, when the flow of the fluid is small or the fluid stops flowing, the valve flap 2 can be driven to be connected with the valve seat 7 through the resilience of the first spring 5, and the valve body 1 is blocked.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a butt welding connecting axial-flow check valve that can reduce noise, includes valve body (1), compound bearing (3), four ring opening (9) and water conservancy diversion piece (10), its characterized in that: the valve body (1) is movably provided with a valve clack (2) inside, a guide shaft (4) penetrates through one side of the valve clack (2), the end of the guide shaft (4) is connected with a flow guide block (10) through a composite bearing (3), and the outer side of the guide shaft (4) is wound with a first spring (5);

the inner wall of valve body (1) is pasted and is had O type circle (6), and the outside of O type circle (6) is provided with disk seat (7), the inside of disk seat (7) is run through and is had interior hexagonal socket head cap screw (8), and the outside of interior hexagonal socket head cap screw (8) is provided with four ring opening (9), water conservancy diversion piece (10) are fixed to be set up in the inside of valve body (1).

2. The butt-welded axial-flow check valve according to claim 1, wherein: the inner wall of the valve body (1) is provided with an elastic membrane (1.1), a fixing cavity (1.2) is formed in the valve body (1) on the side of the elastic membrane (1.1), and a fixing hole (1.3) is reserved on the outer wall of the valve body (1).

3. A reduced noise butt-welded flow check valve as defined in claim 2, wherein: the elastic membrane (1.1) and the fixed cavity (1.2) are distributed at equal angles, the fixed cavity (1.2) is communicated with the fixed cylinder (11) through the fixed hole (1.3), and the fixed cylinder (11) is fixed at the outer side of the valve body (1) at equal angles.

4. A reduced noise butt-welded flow check valve as defined in claim 3 wherein: the internal activity of fixed cylinder (11) is provided with valve plate (111), and the up end of valve plate (111) is fixed with connecting rod (112) to the outside winding of connecting rod (112) has second spring (113), and connecting rod (112) are the fried dough twist rod structure simultaneously.

5. The butt-welded axial-flow check valve according to claim 4, wherein: the top cover of connecting rod (112) is equipped with movable cylinder (114), and both are threaded connection to movable cylinder (114) and fixed cylinder (11) are bearing connection.

6. The butt-welded axial-flow check valve according to claim 5, wherein: the outside of the movable cylinder (114) is sleeved with a pointer (115), a dial (116) is fixed on the fixed cylinder (11) outside the pointer (115), and the rotating range of the pointer (115) is 0-360 degrees.