CN214838552U

CN214838552U - Large-flow check valve

Info

Publication number: CN214838552U
Application number: CN202121178760.3U
Authority: CN
Inventors: 吴正清
Original assignee: Shandong Liwei Hydraulic Technology Co ltd
Current assignee: Shandong Liwei Hydraulic Technology Co ltd
Priority date: 2021-05-29
Filing date: 2021-05-29
Publication date: 2021-11-23
Anticipated expiration: 2031-05-29

Abstract

The utility model discloses a large-flow one-way valve, which comprises a valve body, and a water inlet pipe and a water outlet pipe which are arranged at the two ends of the valve body; a pair of symmetrical clamping blocks is vertically fixed in the valve body, a moving block is slidably clamped between the pair of clamping blocks, a ball core is arranged in the moving block, an opening and closing wrench fixedly connected with the ball core is movably arranged at the top end of the valve body in a penetrating mode, an adjusting wrench rotatably connected with the moving block is arranged at the bottom end of the valve body in a penetrating mode through threads, a second flow through hole communicated with the ball core is horizontally formed in the moving block, and a first flow through hole is formed in the pair of clamping blocks; the bayonet threaded connection of one end that the valve body was kept away from to the inlet tube has the raceway, and the raceway is located the inside one end of inlet tube and is equipped with solid fixed ring, and solid fixed ring is equipped with the sealing washer near the one end of valve body, is equipped with the shutoff ball with the sealing washer adaptation in the inlet tube. The large-flow one-way valve is reasonable in structure, convenient for flow control adjustment and high in safety.

Description

Large-flow check valve

Technical Field

The utility model belongs to the technical field of the valve, concretely relates to large-traffic check valve.

Background

The valve is a control part in a fluid conveying system, has the functions of stopping, regulating, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like, is used for the valve of the fluid control system, and has quite a plurality of varieties and specifications from the simplest stop valve to various valves used in an extremely complicated automatic control system. The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like.

At present, the existing check valve is inconvenient for controlling and adjusting the flow in the using process, and after the valve core is in failure, the fluid is out of control, and the maintenance operation is inconvenient, so that further improvement is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a large-traffic check valve to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a high-flow one-way valve comprises a valve body, and a water inlet pipe and a water outlet pipe which are arranged at two ends of the valve body;

a pair of symmetrical clamping blocks is vertically fixed in the valve body, a moving block is arranged between the pair of clamping blocks in a sliding clamping mode, a ball core is arranged in the moving block, an opening and closing wrench fixedly connected with the ball core is movably arranged at the top end of the valve body in a penetrating mode, an adjusting wrench rotatably connected with the moving block is arranged at the bottom end of the valve body in a penetrating mode through threads, a second through hole communicated with the ball core is horizontally formed in the moving block, and a first through hole is formed in the pair of clamping blocks.

In a further embodiment, the bayonet threaded connection of one end that the valve body was kept away from to the inlet tube has the raceway, and the raceway is located the inside one end of inlet tube and is equipped with solid fixed ring, and solid fixed ring is equipped with the sealing washer near the one end of valve body, is equipped with the shutoff ball with the sealing washer adaptation in the inlet tube.

In a further embodiment, a guide plate is fixed in the water inlet pipe on one side, close to the valve body, of the blocking ball, a guide hole is formed in the middle of the guide plate, and a plurality of shunting holes are formed around the guide hole.

In a further embodiment, an insertion rod is horizontally fixed at one end of the blocking ball close to the guide plate, and the insertion rod penetrates through the guide hole.

In a further embodiment, a baffle is fixedly sleeved on one side of the inserted rod close to the blocking ball, and a spring is sleeved on the inserted rod between the baffle and the guide plate.

In a further embodiment, one end of the water outlet pipe, which is far away from the valve body, is provided with a water outlet end, and the outer wall of the water outlet end is provided with threads.

In a further embodiment, a flow guide cover is constructed inside the water outlet pipe, and the flow guide cover is of a bucket-shaped structure and is integrally formed with the water outlet pipe.

In a further embodiment, the valve body and the moving block are provided with sealing gaskets matched with the opening and closing wrench, a pair of clamping blocks located below the moving block are provided with limiting supporting plates, and the bottom wall of the valve body is provided with a sleeve sleeved on the adjusting wrench through threads.

The utility model discloses a technological effect and advantage: this large-traffic check valve rotates and adjusts the spanner and can promote the movable block and reciprocate to order about first through-flow hole and the dislocation of second through-flow hole production different degree, so that to the flow control regulation of this check valve when the ball core is opened, when the ball core breaks down simultaneously and can not block second through-flow hole, rotate and adjust the spanner and make first through-flow hole and second through-flow hole misplace completely, utilize the movable block can be with the shutoff of first through-flow hole, the safety guarantee has been increased, provide abundant time for the maintenance personal. The large-flow one-way valve is reasonable in structure, convenient for flow control adjustment and high in safety.

Drawings

Fig. 1 is a schematic view of the internal structure of the present invention;

fig. 2 is a schematic structural view of the first flow hole and the second flow hole of the present invention when they are dislocated;

FIG. 3 is a schematic view of the internal structure of the water inlet pipe of the present invention;

fig. 4 is a schematic diagram of the structure of the guide plate of the present invention.

In the figure: the water-saving valve comprises a valve body 1, a water inlet pipe 2, a water outlet pipe 3, a water delivery pipe 4, a water outlet end 5, a clamping block 6, a moving block 7, a ball core 8, an opening and closing wrench 9, an adjusting wrench 10, a guide plate 11, a blocking ball 12, a flow guide cover 13, a first flow through hole 14, a second flow through hole 15, a fixing ring 16, a sealing ring 17, an insertion rod 18, a spring 19, a baffle 20, a guide hole 21 and a shunt hole 22.

Detailed Description

The present invention is described in detail with reference to the attached drawings, but the scope of the present invention is not limited to the following embodiments, and all the simple equivalent changes and modifications made by the claims and the contents of the specification of the present invention are included in the scope of the present invention.

In order to facilitate the control and regulation of the fluid flow, as shown in fig. 1 and 2, a pair of symmetrical clamping blocks 6 is vertically fixed inside the valve body 1, a moving block 7 is slidably clamped between the pair of clamping blocks 6, a ball core 8 is installed in the moving block 7, the ball core 8 is a valve core in the existing ball valve, wherein have the through-hole that supplies the fluid to pass through, 1 top activity of valve body is worn to be equipped with and is opened and close spanner 9 with 8 fixed connection of ball core, 1 bottom screw thread of valve body is worn to be equipped with and is rotated the regulation spanner 10 of being connected with movable block 7, the movable block 7 is improved level and is constructed second through-hole 15 with 8 intercommunications of ball core, be constructed first through-hole 14 on a pair of clamp splice 6, rotate ball core 8, can realize opening and close to second through-hole 15, it reciprocates to rotate regulation spanner 10 promotion and movable block 7, can order about first through-hole 14 and the dislocation of 15 production of second through-hole, thereby reach the purpose that flow control adjusted.

In order to realize one-way flow blocking, as shown in fig. 1, 3 and 4, one end of the water inlet pipe 2 far away from the valve body 1 is in inserted threaded connection with a water pipe 4, one end of the water pipe 4 positioned inside the water inlet pipe 2 is provided with a fixing ring 16, one end of the fixing ring 16 close to the valve body 1 is provided with a sealing ring 17, and a blocking ball 12 matched with the sealing ring 17 is arranged in the water inlet pipe 2; a guide plate 11 is fixed in the water inlet pipe 2 on one side of the blocking ball 12 close to the valve body 1, a guide hole 21 is formed in the center of the guide plate 11, and a plurality of shunting holes 22 are formed around the guide hole 21 for fluid to pass through; an inserting rod 18 is horizontally fixed at one end of the plugging ball 12 close to the guide plate 11, the inserting rod 18 penetrates through a guide hole 21, and the guide hole 21 can limit and guide the inserting rod 18; a baffle 20 is fixedly sleeved on one side of the inserted rod 18 close to the plugging ball 12, a spring 19 is sleeved on the inserted rod 18 between the baffle 20 and the guide plate 11, and when a fluid reversely passes through the one-way valve, the plugging ball 12 is driven to plug the sealing ring 17 under the pressure action of the spring 19 and the fluid, so that one-way flow blocking is realized.

For convenience of use, as shown in fig. 1, one end of the water outlet pipe 3, which is far away from the valve body 1, is provided with a water outlet end 5, and the outer wall of the water outlet end 5 is provided with threads, so that the fluid pipeline is butted in a manner of inserting the threads into the threads; a flow guide cover 13 is constructed in the water outlet pipe 3, and the flow guide cover 13 is of a bucket-shaped structure and is integrally formed with the water outlet pipe 3 and used for pressurizing fluid; the valve body 1 and the moving block 7 are provided with sealing gaskets matched with the opening and closing wrench 9, the sealing performance of the check valve is improved, and the pair of clamping blocks 6 located below the moving block 7 are provided with limiting supporting plates for limiting the moving block 7 to facilitate operation control, and the bottom wall of the valve body 1 is provided with a sleeve which is sleeved with a thread on the adjusting wrench 10 and used for improving the stability of the adjusting wrench 10.

The working principle is as follows: when the large-flow one-way valve is used, fluid is conveyed to the valve body 1 through the water conveying pipe 4, the blocking ball 12 is pushed to drive the spring 19 to contract under the pressure of the fluid, the blocking ball 12 is separated from the sealing ring 17, at the moment, the fluid flows into the water inlet pipe 2 through the fixing ring 16 and the sealing ring 17, then flows into the valve body 1 through the plurality of branch holes 22, flows through the first circulation hole 14, the second circulation hole 15 and the ball core 8 and is discharged from the water outlet pipe 3, when the fluid enters from the water outlet pipe 3, the blocking ball 12 is forced to be tightly attached to the sealing ring 17 under the action of the pressure, reverse flow blocking is realized, and the purpose of one-way control is achieved; when fluid flows through valve body 1, through opening and close 8 rotations of spanner 9 drive ball cores, can realize opening and close of this check valve, adjust spanner 10 through rotating, promote movable block 7 and reciprocate, can order about first class through-hole 14 and second class through-hole 15 dislocation, so that to the flow control of this check valve, and when ball core 8 broke down, rotate and adjust spanner 10 and order about second class through-hole 15 and first class through-hole 14 dislocation completely, utilize movable block 7 can be to first class through-hole 14 shutoff, the safety guarantee has been increased. The large-flow one-way valve is reasonable in structure, convenient for flow control adjustment and high in safety.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A high-flow one-way valve comprises a valve body (1), and a water inlet pipe (2) and a water outlet pipe (3) which are arranged at two ends of the valve body (1);

the method is characterized in that: the ball valve is characterized in that a pair of symmetrical clamping blocks (6) are vertically fixed in the valve body (1), a moving block (7) is arranged between the pair of clamping blocks (6) in a sliding clamping mode, a ball core (8) is installed in the moving block (7), an opening and closing wrench (9) fixedly connected with the ball core (8) is movably arranged at the top end of the valve body (1) in a penetrating mode, an adjusting wrench (10) rotatably connected with the moving block (7) is arranged at the bottom end of the valve body (1) in a penetrating mode through threads, a second flow through hole (15) communicated with the ball core (8) is horizontally formed in the moving block (7), and a first flow through hole (14) is formed in the pair of clamping blocks (6).

2. A high flow one-way valve according to claim 1, wherein: the plug-in threaded connection of one end that valve body (1) was kept away from in inlet tube (2) has raceway (4), and the one end that raceway (4) are located inlet tube (2) inside is equipped with solid fixed ring (16), and solid fixed ring (16) are close to the one end of valve body (1) and are equipped with sealing washer (17), are equipped with in inlet tube (2) with shutoff ball (12) of sealing washer (17) adaptation.

3. A high flow one-way valve according to claim 2, wherein: the water inlet pipe (2) internal fixation that shutoff ball (12) are close to valve body (1) one side has deflector (11), has seted up guiding hole (21) on deflector (11) between two parties, has constructed a plurality of reposition of redundant personnel holes (22) around guiding hole (21).

4. A high flow one-way valve according to claim 3, wherein: an inserted bar (18) is horizontally fixed at one end of the blocking ball (12) close to the guide plate (11), and the inserted bar (18) penetrates through the guide hole (21).

5. A high flow one-way valve according to claim 4, wherein: a baffle (20) is fixedly sleeved on one side of the inserted rod (18) close to the blocking ball (12), and a spring (19) is sleeved on the inserted rod (18) between the baffle (20) and the guide plate (11).

6. A high flow one-way valve according to claim 5, wherein: one end of the water outlet pipe (3) far away from the valve body (1) is provided with a water outlet end (5), and the outer wall of the water outlet end (5) is provided with threads.

7. A high flow one-way valve according to claim 6, wherein: the water outlet pipe (3) is internally provided with a flow guide cover (13), and the flow guide cover (13) is of a bucket-shaped structure and is integrally formed with the water outlet pipe (3).

8. A high flow one-way valve according to claim 7, wherein: the valve body (1) and the moving block (7) are provided with sealing gaskets matched with the opening and closing wrench (9), a pair of clamping blocks (6) located below the moving block (7) are provided with limiting supporting plates, and the bottom wall of the valve body (1) is provided with a sleeve which is sleeved with threads on the adjusting wrench (10).