Forged steel check valve with low opening and closing assistance

Abstract

The utility model discloses a forged steel check valve with low opening and closing assistance, and relates to the technical field of forged steel check valves. Comprising a valve body, pipelines are installed at the two ends of the valve body through flanges, a first protective cover is arranged under the valve body, a second protective cover is arranged over the valve body, a plurality of evenly-distributed installation blocks are fixedly arranged at the bottom end of the second protective cover, and a plurality of evenly-distributed installation grooves are formed in the top of the first protective cover; a plurality of first springs are evenly distributed in the first protective cover, a moving plate is fixedly arranged at one end of each first spring, the ends, away from the moving plates, of the first springs are fixedly mounted on the inner wall of the first protective cover, clamping blocks are fixedly arranged on the sides, away from the first springs, of the moving plates, and clamping grooves are formed in the mounting blocks. According to the valve body protection device, the effect of protecting the valve body can be achieved, the situation that the valve body is damaged due to external force is avoided, and the service life of the valve body is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of forged steel check valves, in particular to a low opening and closing power-assisted forged steel check valve. Background Art

[0002] A forged steel check valve is a valve used to prevent backflow of media. It is mainly made of forged steel and is usually used in high-pressure and high-temperature environments. The working principle of a forged steel check valve is to prevent the backflow of media through a check device (such as a disc, ball, etc.) inside the valve, thereby protecting the safety of the pipeline system and the normal operation of the equipment.

[0003] The existing forged steel check valve does not have the function of protecting itself. During use, the forged steel check valve is easily damaged by external force, which reduces the service life of the forged steel check valve. In addition, during use, the connection between the valve body and the pipeline is prone to loosening, affecting the normal use of the forged steel check valve. Utility Model Content

[0004] In order to solve the problem that the existing forged steel check valve does not have the function of protecting itself, the purpose of the utility model is to provide a low opening and closing power forged steel check valve.

[0005] In order to solve the above technical problems, the present invention adopts the following technical solution: it includes a valve body, both ends of the valve body are equipped with pipes through flanges, a first protective cover is provided directly below the valve body, and a second protective cover is provided directly above the valve body. The bottom end of the second protective cover is fixed with a plurality of evenly distributed mounting blocks, the top of the first protective cover is provided with a plurality of evenly distributed mounting grooves, the interior of the first protective cover is provided with a plurality of evenly distributed first springs, one end of the first spring is fixed with a movable plate, the end of the first spring away from the movable plate is fixedly installed with the inner wall of the first protective cover, the side of the movable plate away from the first spring is fixed with a clamping block, and the mounting blocks are provided with a clamping slot.

[0006] Preferably, the second reinforcement cover is fixedly provided at both ends of the first protective cover, the first reinforcement cover is fixedly provided at both ends of the second protective cover, the first connecting cover is fixedly provided at the end of the first reinforcement cover away from the second protective cover, and the second connecting cover is fixedly provided at the end of the second reinforcement cover away from the first protective cover.

[0007] Compared with the prior art, the beneficial effects of the present invention are:

[0008] 1. This application can achieve the effect of protecting the valve body, preventing the valve body from being damaged by external forces, and increasing the service life of the valve body.

[0009] 2. This application can strengthen the connection between the valve body and the pipeline to prevent the connection between the valve body and the pipeline from loosening. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0011] Figure 1 This is a schematic structural diagram of the utility model.

[0012] Figure 2 This is a schematic diagram of the connection structure between the valve body and the pipeline in the utility model.

[0013] Figure 3 It is a structural schematic diagram of the mounting block and the mounting slot in the present utility model.

[0014] Figure 4 This is a schematic diagram of the structure of the first protective cover after it is disassembled in the present invention.

[0015] In the figure: 1. valve body; 11. pipeline; 2. first protective cover; 21. second protective cover; 22. mounting block; 23. mounting slot; 24. first spring; 25. movable plate; 26. clamping block; 27. clamping slot; 210. drive plate; 220. handle; 230. guide rod; 3. first reinforcement cover; 31. second reinforcement cover; 32. first connecting cover; 33. second connecting cover; 4. first mounting member; 41. second mounting member; 42. third mounting member; 43. fourth mounting member; 5. second spring; 51. reinforcement plate; 52. reinforcement block; 53. reinforcement slot. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0017] Example: Figure 1-4As shown, the utility model provides a low opening and closing power-assisted forged steel check valve, comprising a valve body 1, both ends of the valve body 1 are equipped with pipes 11 through flanges, a first protective cover 2 is provided directly below the valve body 1, a second protective cover 21 is provided directly above the valve body 1, a plurality of evenly distributed mounting blocks 22 are fixed to the bottom end of the second protective cover 21, a plurality of evenly distributed mounting grooves 23 are provided on the top of the first protective cover 2, a plurality of evenly distributed first springs 24 are provided inside the first protective cover 2, a movable plate 25 is fixed to one end of the first spring 24, an end of the first spring 24 away from the movable plate 25 is fixedly installed with the inner wall of the first protective cover 2, a clamping block 26 is fixed to the side of the movable plate 25 away from the first spring 24, and a clamping groove 27 is provided in the mounting block 22.

[0018] A second reinforcement cover 31 is fixedly provided at both ends of the first protective cover 2, a first reinforcement cover 3 is fixedly provided at both ends of the second protective cover 21, a first connecting cover 32 is fixedly provided at one end of the first reinforcement cover 3 away from the second protective cover 21, and a second connecting cover 33 is fixedly provided at one end of the second reinforcement cover 31 away from the first protective cover 2.

[0019] A reinforcement plate 51 is fixedly provided on the surface of the movable plate 25 , a second spring 5 is fixedly provided on one side of the reinforcement plate 51 , and one end of the second spring 5 away from the reinforcement plate 51 is fixedly mounted to the inner wall of the first protective cover 2 .

[0020] A reinforcement block 52 is fixedly provided at one end of the reinforcement plate 51 away from the second spring 5 , and a reinforcement groove 53 is provided in the mounting block 22 .

[0021] A driving plate 210 is fixedly provided on one side surface of the movable plate 25 , and a handle 220 is fixedly provided on one end of the driving plate 210 away from the movable plate 25 .

[0022] A plurality of first mounting members 4 distributed in a mirror image are fixedly provided on the outer surface of the first connection cover 32 , and a plurality of second mounting members 41 distributed in a mirror image are fixedly provided on the outer surface of the second connection cover 33 .

[0023] The outer surface of the second reinforcement cover 31 is fixedly provided with a third mounting member 42 in a mirror-image distribution, and the outer surface of the first reinforcement cover 3 is fixedly provided with a fourth mounting member 43 in a mirror-image distribution.

[0024] Guide rods 230 are slidably inserted in the driving plate 210, and the inner walls of the first protective cover 2 at both ends of the guide rods 230 are fixedly installed; by setting the guide rods 230, the effect of limiting the driving plate 210 is achieved, so that the driving plate 210 can move stably.

[0025] Working principle: First, during use, the driving handle 220 drives the driving plate 210 to move, and the driving plate 210 drives the moving plate 25 and the reinforcing plate 51 to move. During the movement of the moving plate 25 and the reinforcing plate 51, the clamping block 26 and the reinforcing block 52 are driven to move. During the movement of the clamping block 26 and the reinforcing block 52, the first spring 24 and the second spring 5 are compressed and deformed under the action of the moving force of the moving plate 25 and the reinforcing plate 51. When the clamping block 26 and the reinforcing block 52 completely leave the mounting groove 23, the valve body 1 is placed inside the first protective cover 2 and the second protective cover 21, and the connection between the valve body 1 and the pipeline 11 is placed inside the first reinforcing cover 3 and the second reinforcing cover 31. The end of the pipeline 11 close to the valve body 1 is placed inside the first connecting cover 32 and the second connecting cover 33, and the mounting block 22 is inserted into the mounting groove 23. When the mounting block 22 completely enters the mounting groove 23, the handle is removed. When the first and second springs 24 and 5 are in contact with each other, the first and second springs 24 and 5 are in contact with each other, and the first and second springs 24 and 5 are in contact with each other, and the first and second springs 24 and 5 are in contact with each other, and the first and second springs 24 and 5 are in contact with each other, and the first and second springs 24 and 21 ...

[0026] Obviously, those skilled in the art may make various modifications and variations to the present invention without departing from the spirit and scope of the present invention. Thus, if such modifications and variations fall within the scope of the claims of the present invention and their equivalents, the present invention is intended to include such modifications and variations.

Claims

1. A low opening and closing power forged steel check valve, comprising a valve body (1), characterized in that: Both ends of the valve body (1) are mounted with pipes (11) via flanges, a first protective cover (2) is provided directly below the valve body (1), a second protective cover (21) is provided directly above the valve body (1), a plurality of evenly distributed mounting blocks (22) are fixedly provided at the bottom end of the second protective cover (21), a plurality of evenly distributed mounting grooves (23) are provided at the top of the first protective cover (2), a plurality of evenly distributed first springs (24) are provided inside the first protective cover (2), a movable plate (25) is fixedly provided at one end of each of the first springs (24), an end of each of the first springs (24) away from the movable plate (25) is fixedly mounted to the inner wall of the first protective cover (2), a clamping block (26) is fixedly provided on the side of each of the movable plates (25) away from the first springs (24), and a clamping groove (27) is provided in each of the mounting blocks (22).

2. A low opening and closing power forged steel check valve according to claim 1, characterized in that: A second reinforcement cover (31) is fixedly provided at both ends of the first protective cover (2), a first reinforcement cover (3) is fixedly provided at both ends of the second protective cover (21), a first connection cover (32) is fixedly provided at one end of the first reinforcement cover (3) away from the second protective cover (21), and a second connection cover (33) is fixedly provided at one end of the second reinforcement cover (31) away from the first protective cover (2).

3. A low opening and closing assist forged steel check valve according to claim 1, characterized in that: A reinforcement plate (51) is fixedly provided on the surface of the movable plate (25), a second spring (5) is fixedly provided on one side of the reinforcement plate (51), and one end of the second spring (5) away from the reinforcement plate (51) is fixedly mounted on the inner wall of the first protective cover (2).

4. A low opening and closing assist forged steel check valve as claimed in claim 3, characterized in that: A reinforcement block (52) is fixedly provided at one end of the reinforcement plate (51) away from the second spring (5), and a reinforcement groove (53) is provided in each of the mounting blocks (22).

5. A low opening and closing power forged steel check valve according to claim 1, characterized in that: A driving plate (210) is fixedly provided on one side surface of the movable plate (25), and a handle (220) is fixedly provided on one end of the driving plate (210) away from the movable plate (25).

6. A low opening and closing power forged steel check valve as claimed in claim 2, characterized in that: The outer surface of the first connection cover (32) is fixedly provided with a plurality of first mounting members (4) distributed in a mirror image, and the outer surface of the second connection cover (33) is fixedly provided with a plurality of second mounting members (41) distributed in a mirror image.

7. A low opening and closing power forged steel check valve as claimed in claim 2, characterized in that: The outer surface of the second reinforcement cover (31) is fixedly provided with a third mounting member (42) distributed in a mirror image, and the outer surface of the first reinforcement cover (3) is fixedly provided with a fourth mounting member (43) distributed in a mirror image.

8. A low opening and closing assist forged steel check valve as claimed in claim 5, characterized in that: A guide rod (230) is slidably inserted into each of the drive plates (210), and both ends of the guide rod (230) are fixedly mounted on the inner wall of the first protective cover (2).

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