CN218207976U

CN218207976U - Ball valve with non-return function

Info

Publication number: CN218207976U
Application number: CN202222793544.0U
Authority: CN
Inventors: 戈伟峰
Original assignee: Yuhuan Jiayu Valve Co ltd
Current assignee: Yuhuan Jiayu Valve Co ltd
Priority date: 2022-10-20
Filing date: 2022-10-20
Publication date: 2023-01-03
Anticipated expiration: 2032-10-20

Abstract

The utility model provides a ball valve with non return function belongs to valve technical field. It has solved current ball valve when using, because the valve ball sets up in the inside of ball valve to it can take place the friction with the inner wall of ball valve when rotating, thereby causes the inside wearing and tearing of ball valve, reduces the life problem of ball valve. This ball valve with non return function, including the ball valve main part, set up water inlet and the delivery port that is used for intaking in the ball valve main part, be provided with the valve ball in the ball valve main part, be provided with the valve rod in the ball valve main part, the ball valve main part is last and to install out the water seat for the delivery port, it has seted up the fluting on the water seat to go out, both sides all are provided with the seal receptacle around just being located the valve ball in the ball valve main part, a plurality of apopore has been seted up on the seal receptacle, be provided with the non return subassembly that is used for the non return on the seal receptacle, set up the mounting groove that supplies the non return subassembly to carry out the installation on the seal receptacle, it is equipped with the bulge loop that is used for the manger plate to go out the protruding in the water seat. The utility model has the advantage of non return function.

Description

Ball valve with non-return function

Technical Field

The utility model belongs to the technical field of the valve, a ball valve is related to, in particular to ball valve with non return function.

Background

Ball valves and check valves are two common types of valves. The ball valve is a valve whose opening and closing piece is a ball body and is driven by a valve rod to rotate to open and close, and the check valve is a valve which relies on the medium flowing to automatically open and close a valve clack and is used for preventing the medium from flowing backwards, and belongs to an automatic valve. The ball valve is used for cutting off, distributing and changing the flowing direction of a medium on a pipeline for conveying the medium, and is widely applied due to simple structure and convenient operation, for example, the ball valve is widely applied to industrial and civil pipelines such as gas, water heating and the like, but the common ball valve can only be connected and cut off, and is in bidirectional circulation under the common condition without the function of preventing the backflow of the medium.

When current ball valve is using, because the valve ball sets up in the inside of ball valve to it can take place the friction with the inner wall of ball valve when rotating, thereby causes the inside wearing and tearing of ball valve, reduces the life of ball valve.

Disclosure of Invention

The utility model aims at providing a ball valve that reasonable in design and simple structure and have the non return function to the above-mentioned problem that exists among the prior art.

The purpose of the utility model can be realized by the following technical proposal: the ball valve with the non-return function comprises a ball valve body and is characterized in that a water inlet and a water outlet for water inflow are formed in the ball valve body, the ball valve body is of a semi-surrounding structure, a valve ball for controlling opening and closing of internal water flow is arranged in the ball valve body, a valve rod connected with the valve ball is arranged on the ball valve body, a water outlet seat for water inflow of the ball valve body is arranged on the ball valve body and opposite to the water outlet, the water outlet seat is fixedly connected onto the ball valve body through bolts, a groove for sealing is formed in the water outlet seat, the groove is in a step shape, sealing seats for the rotation of the valve ball are arranged in the ball valve body and located on the front side and the rear side of the valve ball, the sealing seats are arranged in the water outlet seat and attached to the valve ball, a plurality of water outlet holes for water outflow are formed in the sealing seats, non-return assemblies for non-return are arranged on the sealing seats, and mounting grooves for the non-return assemblies for mounting are formed in the sealing seats, and convex rings for retaining water are arranged in the water outlet seat.

In foretell ball valve with non return function, non return subassembly include stagnant water baffle, slider, mounting and reset spring, the slider wear to locate on the seal receptacle, the stagnant water baffle set up in the front end of slider, the mounting set up in the rear end of slider, the fixed cover of reset spring is located on the slider, the stagnant water baffle play the effect of non return to the rivers through going out the water receptacle under the effect of rivers.

In the above ball valve with non-return function, one end of the return spring is connected to the sealing seat, and the other end of the return spring is fixedly connected to the fixing member.

In the above ball valve with non-return function, the water stop baffle is arranged at the front end of the convex ring, and the diameter of the water stop baffle is larger than the water outlet diameter formed by the convex ring.

Compared with the prior art, this ball valve with non return function is provided with non return device in the inside of ball valve main part, has further prevented the problem of medium refluence to semi-enclosed's valve main part can be changed the seal receptacle that sets up on going out the water stand, improves the life of product.

Drawings

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

Fig. 2 is a schematic sectional structure diagram of the present invention.

In the figure, 1, a ball valve body; 2. a water inlet; 3. a water outlet; 4. a valve ball; 5. a valve stem; 6. a water outlet base; 7. grooving; 8. a sealing seat; 9. a water outlet hole; 10. a check assembly; 11. mounting grooves; 12. a convex ring; 13. a water stop baffle; 14. a slider; 15. a fixing member; 16. a return spring.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 and 2, the ball valve with the check function comprises a ball valve body 1, a water inlet 2 and a water outlet 3 for water inflow are formed in the ball valve body 1, the ball valve body 1 is in a semi-surrounding structure, a valve ball 4 for controlling the opening and closing of internal water flow is arranged in the ball valve body 1, a valve rod 5 connected with the valve ball 4 is arranged on the ball valve body 1, a water outlet seat 6 for water inflow of the ball valve body 1 is installed on the ball valve body 1 and opposite to the water outlet 3, the water outlet seat 6 is fixedly connected to the ball valve body 1 through bolts, a notch 7 for sealing is formed in the water outlet seat 6, the notch 7 is in a step shape, the notch 7 in the step shape is used for sealing the water outlet seat 6 to prevent internal medium leakage, sealing seats 8 for allowing the valve ball 4 to rotate are arranged on the front side and the rear side of the ball valve body 4, the sealing seats 8 are arranged in the water outlet seat 6 and are attached to the valve ball 4, the sealing seats 8 can be replaced after the ball valve body 1 is installed on the water outlet seat, and a water outlet assembly 10 for preventing water inflow and a water outflow hole 10 is arranged on the ball valve assembly 10, and a water outlet assembly 10 for preventing water outflow problem that the water outflow is caused by abrasion is arranged on the ball valve assembly 10, the ball valve assembly 10.

In more detail, when the valve switch is opened to start the circulation of the internal water flow (or other media), the fixing member 15 is pushed to move towards the water outlet direction due to the impact force of the water flow (or other media), the return spring 16 is in a compressed state, the sliding member 14 moves towards the water outlet direction, the water stop baffle 13 moves towards the water outlet direction, the water flow (or other media) sequentially flows out through the water outlet hole 9 of the sealing seat 8 and the opening hole formed by the convex ring 12 in the ball valve main body 1, when the valve switch is closed, the internal water flow (or other media) is closed, the impact of the water flow (or other media) is reduced, the pressure for pushing the fixing member 15 cannot be reached, the return spring 16 rebounds, the sliding member 14 moves towards the water inlet direction, the water stop baffle 13 moves towards the water inlet direction, the water flow (or other media) which has flowed out can push the water stop baffle 13 to cling to the convex ring 12, the internal pipeline is in a closed state, and the backflow of the water flow (or other media) which has flowed out is prevented.

In further detail, the non-return assembly 10 includes a water-stop baffle 13, a sliding member 14, a fixing member 15 and a return spring 16, the sliding member 14 is arranged on the sealing seat 8 in a penetrating manner, the water-stop baffle 13 is arranged at the front end of the sliding member 14, the fixing member 15 is arranged at the rear end of the sliding member 14, the return spring 16 is fixedly sleeved on the sliding member 14, and the water-stop baffle 13 plays a non-return role on the water flow (or other media) passing through the water outlet seat 6 under the action of the water flow (or other media).

In more detail, one end of the return spring 16 is connected to the seal seat 8, and the other end of the return spring 16 is fixedly connected to the fixing member 15.

In more detail, the water stop baffle 13 is arranged at the front end of the convex ring 12, and the diameter of the water stop baffle 13 is larger than the water outlet diameter formed by the convex ring 12.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms of the ball valve body 1, the water inlet 2, the water outlet 3, the valve ball 4, the valve rod 5, the water outlet seat 6, the slot 7, the sealing seat 8, the water outlet hole 9, the check assembly 10, the mounting groove 11, the convex ring 12, the water stop baffle 13, the sliding piece 14, the fixing piece 15, the return spring 16 and the like are used more in the drawings, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. A ball valve with a non-return function comprises a ball valve body (1), and is characterized in that a water inlet (2) and a water outlet (3) for water inflow are formed in the ball valve body (1), the ball valve body (1) is of a semi-surrounding structure, a valve ball (4) for controlling the opening and closing of internal water flow is arranged in the ball valve body (1), a valve rod (5) connected with the valve ball (4) is arranged on the ball valve body (1), a water outlet seat (6) for water inflow of the ball valve body (1) is arranged on the ball valve body (1) and is opposite to the water outlet (3), the water outlet seat (6) is fixedly connected to the ball valve body (1) through bolts, a groove (7) for sealing is formed in the water outlet seat (6), the groove (7) is in a step shape, water outlet seats (8) for the valve ball (4) to rotate are arranged in the ball valve body (1) and on the front side and the rear side of the valve ball (4), a plurality of non-return seal seats (8) are arranged in the water outlet seat (6) and are mutually attached with a non-return assembly (8), and a plurality of non-return assemblies (10) for sealing are arranged on the water outlet seat (8), a convex ring (12) for retaining water is convexly arranged in the water outlet seat (6).

2. The ball valve with the non-return function according to claim 1, wherein the non-return assembly (10) comprises a water-stop baffle (13), a sliding member (14), a fixing member (15) and a return spring (16), the sliding member (14) is arranged on the sealing seat (8) in a penetrating manner, the water-stop baffle (13) is arranged at the front end of the sliding member (14), the fixing member (15) is arranged at the rear end of the sliding member (14), the return spring (16) is fixedly sleeved on the sliding member (14), and the water-stop baffle (13) plays a non-return role on the water flow passing through the water outlet seat (6) under the action of the water flow.

3. A ball valve with non-return function according to claim 2, characterized in that one end of said return spring (16) is connected to the sealing seat (8), and the other end of said return spring (16) is fixedly connected to the fixing member (15).

4. A ball valve with non-return function according to claim 2, characterized in that the water stop baffle (13) is arranged at the front end of the convex ring (12), and the diameter of the water stop baffle (13) is larger than the water outlet diameter formed by the convex ring (12).