Check valve capable of adjusting valve flow

Abstract

The check valve comprises a valve body, a connecting pipe, a mounting pipe, an adjusting rod, a limiting seat, a clamping column, a chuck, a pressing spring, a pressing rod, an adjusting groove and a sealing seat, the connecting pipe is arranged on one side of the valve body, the mounting pipe is arranged at the end, away from the connecting pipe, of the valve body, the adjusting rod is arranged on the valve body, and the limiting seat is arranged on the valve body. A handle is arranged at one end of the adjusting rod, an adjusting column is arranged on the lower side of the adjusting rod and extends into the valve body, a sealing seat is arranged at the position, corresponding to the adjusting column, in the valve body, two adjusting bevel gears are arranged at the positions, corresponding to the sealing seat, of the adjusting column, and the two adjusting bevel gears are symmetrically arranged relative to the sealing seat. And an upper bevel gear and a lower bevel gear are respectively arranged in the sealing seat and at the position of the adjusting bevel gear. The flow regulating valve is simple in structure, and the flow regulating mode is simple and convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of check valves, in particular to a check valve capable of adjusting valve flow. Background Art

[0002] A check valve is a valve with a circular disc as its opening and closing element. It relies on its own weight and the pressure of the medium to generate movement to prevent the backflow of the medium. When the inlet pressure exceeds the sum of the weight of the disc and its flow resistance, the valve is opened; conversely, when the medium flows back, the valve closes. As the medium flows through the check valve, the flow rate of the medium needs to be regulated. However, existing check valves do not have a flow adjustment structure when the medium flows out from one end. As a result, the amount of medium flowing out cannot be controlled as required, causing inconvenience in subsequent operations to discharge the medium. Therefore, this utility model proposes a check valve with adjustable valve flow to solve this problem. Utility Model Content

[0003] The purpose of the present utility model is to provide a check valve capable of adjusting valve flow, so as to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a check valve with adjustable valve flow, comprising a valve body, a connecting pipe, a mounting pipe, an adjusting rod, a limit seat, a clamping column, a chuck, a compression spring, a pressure rod, an adjusting groove and a sealing seat, a connecting pipe being provided on one side of the valve body, a mounting pipe being provided on the end of the valve body away from the connecting pipe, an adjusting rod being provided on the valve body, a handle being provided at one end of the adjusting rod, an adjusting column being provided on the lower side of the adjusting rod, the adjusting column extending into the valve body, a sealing seat being provided at a position corresponding to the adjusting column in the valve body, two adjusting bevel gears being provided at a position corresponding to the sealing seat on the adjusting column, the two adjusting bevel gears being symmetrically arranged relative to the sealing seat, an upper bevel gear and a lower bevel gear being provided at the position corresponding to the adjusting bevel gear in the sealing seat respectively.

[0005] Preferably, the upper bevel gear and the lower bevel gear are both engaged with the adjusting bevel gear, a rotating shaft is provided on the end of the upper bevel gear away from the adjusting bevel gear, an upper adjusting plate is provided on the rotating shaft, and a transmission shaft is provided on the end of the lower bevel gear away from the adjusting bevel gear, a lower adjusting plate is provided on the transmission shaft.

[0006] Preferably, the size of the upper adjustment plate is adapted to the size of the lower adjustment plate, a clamping plate is provided at a position of the upper adjustment plate close to the lower adjustment plate, and a receiving groove is provided at a position of the lower adjustment plate corresponding to the clamping plate, and the size of the receiving groove is adapted to the size of the clamping plate.

[0007] Preferably, a connecting column is provided on the adjusting rod at a position away from the handle, a chuck is provided on the lower side of the connecting column, a plurality of slots are provided on the chuck, a limit seat is provided on the valve body at a position corresponding to the chuck, a plurality of compression springs are provided in the limit seat, a fixing plate is provided on one end of the plurality of compression springs away from the limit seat, a pressure rod is provided on the fixing plate, an adjusting slot is provided at a position of the limit seat corresponding to the pressure rod, a plurality of clamping columns are provided on the side of the fixing plate away from the compression spring, and the sizes of the plurality of clamping columns are adapted to the sizes of the slots.

[0008] Compared with the prior art, the beneficial effects of the present invention are: the present invention has a simple structure, and the method of adjusting the flow rate is simple and convenient. The clamping column and the chuck are used to ensure that the adjusting rod has a certain limit, and the adjusting column and the adjusting bevel gear are used to ensure that the upper adjusting plate and the lower adjusting plate can be adjusted accordingly. The clamping plate and the receiving groove are used to ensure that the upper adjusting plate and the lower adjusting plate have a certain sealing when closed. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0010] Figure 2 This is a schematic cross-sectional view of the utility model;

[0011] Figure 3 This is a schematic diagram of the working state structure of the upper adjustment plate of the utility model;

[0012] Figure 4 This is a schematic diagram of the internal structure of the limit seat of the utility model.

[0013] In the figure: 1. Valve body; 2. Connecting pipe; 3. Mounting pipe; 4. Adjusting rod; 5. Limit seat; 6. Clamping column; 7. Chuck; 8. Compression spring; 9. Pressure rod; 10. Adjusting groove; 11. Sealing seat; 12. Adjusting column; 13. Adjusting bevel gear; 14. Upper bevel gear; 15. Lower bevel gear; 16. Upper adjusting plate; 17. Lower adjusting plate; 18. Clamping plate; 19. Receiving groove; 20. Connecting column; 21. Fixing plate. DETAILED DESCRIPTION

[0014] 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.

[0015] In the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0016] It should also be noted that, in the description of this utility model, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to mechanical connections or electrical connections; they may refer to direct connections or indirect connections through an intermediate medium; and they may refer to internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0017] See also Figure 1-4 The utility model provides a technical solution: a check valve with adjustable valve flow, comprising a valve body 1, a connecting pipe 2, a mounting pipe 3, an adjusting rod 4, a limit seat 5, a clamping column 6, a chuck 7, a compression spring 8, a pressure rod 9, an adjusting groove 10 and a sealing seat 11. A connecting pipe 2 is provided on one side of the valve body 1, and a mounting pipe 3 is provided on the end of the valve body 1 away from the connecting pipe 2. An adjusting rod 4 is provided on the valve body 1, and a handle is provided at one end of the adjusting rod 4. An adjusting column 12 is provided on the lower side of the adjusting rod 4, which extends into the valve body 1, and a sealing seat 11 is provided at a position corresponding to the adjusting column 12 in the valve body 1. Two adjusting bevel gears 13 are provided on the adjusting column 12 at a position corresponding to the sealing seat 11. The two adjusting bevel gears 13 are symmetrically arranged relative to the sealing seat 11, and an upper bevel gear 14 and a lower bevel gear 15 are respectively provided at the positions of the adjusting bevel gear 13 in the sealing seat 11.

[0018] In this embodiment, the upper bevel gear 14 and the lower bevel gear 15 are both meshed with the adjusting bevel gear 13. A rotating shaft is provided on the end of the upper bevel gear 14 away from the adjusting bevel gear 13, and an upper adjusting plate 16 is provided on the rotating shaft. A transmission shaft is provided on the end of the lower bevel gear 15 away from the adjusting bevel gear 13, and a lower adjusting plate 17 is provided on the transmission shaft.

[0019] In this embodiment, the size of the upper adjustment plate 16 is adapted to the size of the lower adjustment plate 17. A clamping plate 18 is provided at a position of the upper adjustment plate 16 close to the lower adjustment plate 17. A receiving groove 19 is provided at a position of the lower adjustment plate 17 corresponding to the clamping plate 18. The size of the receiving groove 19 is adapted to the size of the clamping plate 18.

[0020] In this embodiment, a connecting column 20 is provided on the adjusting rod 4 at a position away from the handle, a chuck 7 is provided on the lower side of the connecting column 20, a plurality of slots are provided on the chuck 7, a limit seat 5 is provided at a position corresponding to the chuck 7 on the valve body 1, a plurality of compression springs 8 are provided in the limit seat 5, a fixing plate 21 is provided at one end of the plurality of compression springs 8 away from the limit seat 5, a pressure rod 9 is provided on the fixing plate 21, an adjusting groove 10 is provided at a position corresponding to the limit seat 5 and a plurality of clamping columns 6 are provided on the side of the fixing plate 21 away from the compression spring 8, and the sizes of the plurality of clamping columns 6 are adapted to the sizes of the slots.

[0021] Working principle: According to the adjustment requirements, the staff uses the pressure rod 9 to make the card column 6 move downward with the fixed plate 21 relative to the limit seat 5, and then rotates the adjustment rod 4 through the handle, thereby rotating the adjustment column 12, and driving the adjustment bevel gear 13 to rotate, and then the upper bevel gear 14 and the lower bevel gear 15 rotate accordingly, and then the upper adjustment plate 16 and the lower adjustment plate 17 rotate accordingly, thereby completing the flow adjustment. If it needs to be closed, just do it in the opposite direction in the same way.

[0022] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A check valve with adjustable valve flow, characterized in that: The valve body (1) comprises a valve body (1), a connecting pipe (2), a mounting pipe (3), an adjusting rod (4), a limiting seat (5), a clamping column (6), a chuck (7), a pressing spring (8), a pressing rod (9), an adjusting groove (10) and a sealing seat (11), wherein a connecting pipe (2) is provided on one side of the valve body (1), a mounting pipe (3) is provided on one end of the valve body (1) away from the connecting pipe (2), an adjusting rod (4) is provided on the valve body (1), a handle is provided on one end of the adjusting rod (4), and a handle is provided on the lower side of the adjusting rod (4). An adjusting column (12) is provided, the adjusting column (12) extends into the valve body (1), a sealing seat (11) is provided in the valve body (1) at a position corresponding to the adjusting column (12), two adjusting bevel gears (13) are provided on the adjusting column (12) at positions corresponding to the sealing seat (11), the two adjusting bevel gears (13) are symmetrically arranged relative to the sealing seat (11), and an upper bevel gear (14) and a lower bevel gear (15) are respectively provided in the sealing seat (11) at positions corresponding to the adjusting bevel gears (13).

2. A check valve with adjustable valve flow according to claim 1, characterized in that: The upper bevel gear (14) and the lower bevel gear (15) are both engaged with the adjusting bevel gear (13); a rotating shaft is provided on one end of the upper bevel gear (14) away from the adjusting bevel gear (13); an upper adjusting plate (16) is provided on the rotating shaft; a transmission shaft is provided on one end of the lower bevel gear (15) away from the adjusting bevel gear (13); a lower adjusting plate (17) is provided on the transmission shaft.

3. The check valve with adjustable valve flow according to claim 2, characterized in that: The size of the upper adjustment plate (16) is adapted to the size of the lower adjustment plate (17); a clamping plate (18) is provided on the upper adjustment plate (16) at a position close to the lower adjustment plate (17); a receiving groove (19) is provided on the lower adjustment plate (17) at a position corresponding to the clamping plate (18); and the size of the receiving groove (19) is adapted to the size of the clamping plate (18).

4. The check valve with adjustable valve flow according to claim 1, characterized in that: A connecting column (20) is provided on the adjusting rod (4) at a position away from the handle, a chuck (7) is provided on the lower side of the connecting column (20), a plurality of slots are provided on the chuck (7), a limiting seat (5) is provided on the valve body (1) at a position corresponding to the chuck (7), a plurality of compression springs (8) are provided in the limiting seat (5), a fixing plate (21) is provided on one end of the plurality of compression springs (8) away from the limiting seat (5), a pressure rod (9) is provided on the fixing plate (21), an adjusting slot (10) is provided on the position of the limiting seat (5) corresponding to the pressure rod (9), a plurality of clamping columns (6) are provided on the side of the fixing plate (21) away from the compression spring (8), and the size of the plurality of clamping columns (6) is adapted to the size of the slots.

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