Leakage-proof liquid flow regulating valve

Abstract

A leakage-proof liquid flow regulating valve comprises a square frame, a liquid inlet connector, a liquid outlet connector, an elastic hose and a clamping part. The elastic hose is arranged between the end part of the liquid inlet joint and the end part of the liquid outlet joint; the square frame body is arranged between the outer wall of the liquid inlet connector and the outer wall of the liquid outlet connector, and the elastic hose is located in the square frame body. The clamping part is arranged in the square frame body; the clamping part comprises a clamping mechanism and a rotating mechanism; the clamping mechanism is arranged between two opposite inner walls in the square frame body, the rotating mechanism is arranged on the side wall of the square frame body, and the rotating mechanism is connected with the clamping mechanism. According to the flow regulating valve, the situation that liquid overflows in the using process of the flow regulating valve is effectively avoided.

Description

Technical Field

[0001] The utility model relates to a flow regulating valve, in particular to a flow regulating valve capable of preventing liquid leakage, belonging to the technical field of flow regulating valve equipment. Background Art

[0002] The flow regulating valve is a common flow control device, which is widely used in various liquid transportation fields. In actual use, the liquid flow regulating valve has a large gap between the valve core and the valve body due to the threaded connection of the regulating switch. The leaked liquid not only pollutes the on-site environment, but also causes liquid waste. It is not conducive to the production process and indirectly increases the production cost. Therefore, a flow regulating valve is needed, which is required to reliably adjust the liquid flow while ensuring no leakage. Utility Model Content

[0003] The purpose of the utility model is to overcome the deficiencies of the prior art and to provide a leak-proof liquid flow regulating valve which can effectively prevent liquid from leaking from the regulating valve body.

[0004] The problem described in the present invention is solved by the following technical solutions:

[0005] A leak-proof liquid flow regulating valve comprises a square frame, a liquid inlet joint, a liquid outlet joint, an elastic hose and a clamping portion; the elastic hose is arranged between the end of the liquid inlet joint and the end of the liquid outlet joint; the square frame is arranged between the outer wall of the liquid inlet joint and the outer wall of the liquid outlet joint, and the elastic hose is located inside the square frame; the clamping portion is arranged in the square frame; the clamping portion comprises a clamping mechanism and a rotating mechanism; the clamping mechanism is arranged between two opposing inner walls inside the square frame, the rotating mechanism is arranged on the side wall of the square frame, and the rotating mechanism and the clamping mechanism are connected.

[0006] The above is applicable to a leak-proof liquid flow regulating valve, wherein the rotating mechanism includes a rotating shaft, a handwheel, an intermediate gear and a side gear; a hole is provided in the center of one end face of the square frame, and the rotating shaft is axially connected in this center hole; a handwheel is provided at the end of the rotating shaft located outside the square frame, and an intermediate gear is provided at the end of the rotating shaft located inside the square frame; the center axis of the side gear is connected to the inner wall of the square frame, and the side gear is meshed with the intermediate gear for transmission connection.

[0007] The above is applicable to a leak-proof liquid flow regulating valve, and the clamping mechanism includes a screw, a guide rod, a first clamping plate and a second clamping plate; one end of the screw is arranged at the end face center of the side gear, and the other end of the screw is axially connected to the inner wall of the square frame, and the axis line of the screw is parallel to the axis line of the rotating shaft; the two ends of the guide rod are respectively arranged on the two opposite end faces of the inner wall of the square frame, and the axis line of the guide rod is parallel to the axis line of the screw; both ends of the first clamping plate are provided with holes, and a first screw nut is provided in one of the holes, the screw passes through the first screw nut of the first clamping plate, and the guide rod passes through the other hole of the first clamping plate; both ends of the second clamping plate are provided with holes, and a second screw nut is provided in one of the holes, the screw passes through the second screw nut of the second clamping plate, and the guide rod passes through the other hole of the second clamping plate; the first screw nut and the second screw nut are both arranged on the screw, and the first screw nut and the second screw nut are arranged in opposite directions to each other.

[0008] The above is applicable to a leak-proof liquid flow regulating valve, wherein the elastic hose is located between the lead screw and the guide rod; and the elastic hose is located between the first clamping plate and the second clamping plate.

[0009] The utility model connects the liquid inlet joint and the liquid outlet joint through an elastic hose, so that the liquid channel of the flow regulating valve is fully sealed and seamless, thereby avoiding leakage of liquid during transportation; the cross-section of the elastic hose, that is, the liquid flux, is controlled by the clamping part, thereby effectively adjusting the flow of the liquid. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0011] Figure 2 This is a schematic diagram of the internal three-dimensional structure of the square frame of the utility model.

[0012] The reference numerals in the figure are as follows: 1. square frame, 2. liquid inlet connector, 3. liquid outlet connector, 4. elastic hose, 5. hand wheel, 6. intermediate gear, 7. side gear, 8. lead screw, 9. guide rod, 10. first clamping plate, 11. second clamping plate. DETAILED DESCRIPTION

[0013] See Figure 1 and Figure 2The utility model includes a square frame 1, a liquid inlet joint 2, a liquid outlet joint 3, an elastic hose 4 and a clamping part; the elastic hose 4 is arranged between the end of the liquid inlet joint 2 and the end of the liquid outlet joint 3; the connection of the elastic hose 4 makes the liquid channel in the entire flow regulating valve completely closed, and there is no possibility of leakage, thereby improving the reliability of the flow regulating valve; the square frame 1 is arranged between the outer wall of the liquid inlet joint 2 and the outer wall of the liquid outlet joint 3, and the elastic hose 4 is located inside the square frame 1; the clamping part is arranged in the square frame 1; the clamping part is used to control the deformation of the elastic hose 1, thereby controlling the flow rate of the fluid; the clamping part includes a clamping mechanism and a rotating mechanism; the clamping mechanism is arranged between two opposite inner walls inside the square frame 1, the rotating mechanism is arranged on the side wall of the square frame 1, and the rotating mechanism and the clamping mechanism are connected.

[0014] The rotating mechanism includes a rotating shaft, a handwheel 5, an intermediate gear 6 and a side gear 7; a hole is provided in the center of one end face of the square frame 1, and the rotating shaft is axially connected in this center hole; a handwheel 5 is provided at the end of the rotating shaft located outside the square frame 1, and an intermediate gear 6 is provided at the end of the rotating shaft located inside the square frame 1; the staff can drive the intermediate gear 6 to rotate by manually rotating the handwheel 5, and the center axis of the side gear 7 is connected to the inner wall of the square frame 1, and the side gear 7 is meshed with the intermediate gear 6 for transmission connection; when the intermediate gear 6 rotates, it drives the side gear 7 to rotate, and then the side gear 7 drives the lead screw 8 to rotate.

[0015] The clamping mechanism includes a screw 8, a guide rod 9, a first splint 10 and a second splint 11; one end of the screw 8 is arranged at the center of the end face of the side gear 7, and the other end of the screw 8 is axially connected to the inner wall of the square frame 1, and the axis of the screw 8 is parallel to the axis of the rotating shaft; the two ends of the guide rod 9 are respectively arranged on the two opposite end faces of the inner wall of the square frame 1, and the axis of the guide rod 9 is parallel to the axis of the screw 8; both ends of the first splint 10 are provided with holes, and a first screw nut is provided in one of the holes, the screw 8 passes through the first screw nut of the first splint 10, and the guide rod 9 passes through the other hole of the first splint 10; both ends of the second splint 11 are provided with holes, and a second screw nut is provided in one of the holes, the screw 8 The second lead screw nut is passed through the second clamping plate 11, and the guide rod 9 passes through another hole of the second clamping plate 11; the first lead screw nut and the second lead screw nut are both arranged on the lead screw 8, and the first lead screw nut and the second lead screw nut are arranged in opposite directions to each other; when the lead screw rotates, it drives the two clamping plates to move in opposite directions, so that the first clamping plate and the second clamping plate are closer to or farther away from each other; the function of the guide rod is to provide a guiding effect for the two clamping plates, ensuring that they can reliably approach or move away from each other; when the two clamping plates approach each other, they will clamp the elastic hose 4, and control the flux of the elastic hose 4 by the distance between the two clamping plates, and then control the flow rate of the fluid. The elastic hose 4 is directly connected to the liquid inlet connector 2 and the liquid outlet connector 3 on both sides, avoiding leakage due to gaps.

[0016] The elastic hose 4 is located between the lead screw and the guide rod 9 ; the elastic hose 4 is located between the first clamping plate 10 and the second clamping plate 11 .

[0017] Principle of use: When in use, the liquid inlet connector 2 and the liquid outlet connector 3 are respectively docked with the designated connectors; when the channel needs to be closed, the handwheel 5 is rotated to drive the intermediate gear 6 to rotate, and then the side gear 7 is moved to rotate, and the side gear 7 drives the screw to rotate, and then drives the splints on both sides to approach each other until the elastic hose 4 is clamped, completely blocking the transportation channel of the elastic hose 4; when the elastic hose 4 needs to be conducted, the handwheel 5 is rotated to make the two splints move away from each other, and the liquid flow is controlled by the spacing between the splints.

Claims

1. A leak-proof liquid flow regulating valve, characterized by: The invention comprises a square frame (1), a liquid inlet joint (2), a liquid outlet joint (3), an elastic hose (4) and a clamping portion; the elastic hose (4) is arranged between the end of the liquid inlet joint (2) and the end of the liquid outlet joint (3); the square frame (1) is arranged between the outer wall of the liquid inlet joint (2) and the outer wall of the liquid outlet joint (3), and the elastic hose (4) is located inside the square frame (1); the clamping portion is arranged inside the square frame (1); the clamping portion comprises a clamping mechanism and a rotating mechanism; the clamping mechanism is arranged between two opposing inner walls inside the square frame (1), the rotating mechanism is arranged on the side wall of the square frame (1), and the rotating mechanism and the clamping mechanism are connected.

2. The leak-proof liquid flow regulating valve according to claim 1, characterized in that: The rotating mechanism comprises a rotating shaft, a hand wheel (5), an intermediate gear (6) and a side gear (7); a hole is provided at the center of one end face of the square frame (1), and the rotating shaft is axially connected to the center hole; a hand wheel (5) is provided at one end of the rotating shaft located outside the square frame (1), and an intermediate gear (6) is provided at one end of the rotating shaft located inside the square frame (1); the center axis of the side gear (7) is provided on the inner wall of the square frame (1), and the side gear (7) is meshed with the intermediate gear (6) for transmission connection.

3. The leak-proof liquid flow regulating valve according to claim 2, characterized in that: The clamping mechanism comprises a lead screw (8), a guide rod (9), a first clamping plate (10) and a second clamping plate (11); one end of the lead screw (8) is arranged at the end face center of the side gear (7), and the other end of the lead screw (8) is axially connected to the inner wall of the square frame (1), and the axis of the lead screw (8) is parallel to the axis of the rotating shaft; the two ends of the guide rod (9) are respectively arranged on two opposite end faces of the inner wall of the square frame (1), and the axis of the guide rod (9) is parallel to the axis of the lead screw (8); both ends of the first clamping plate (10) are provided with holes, and one of the holes is provided with a hole. A first lead screw nut is provided in each hole, the lead screw (8) passes through the first lead screw nut of the first clamping plate (10), and the guide rod (9) passes through another hole of the first clamping plate (10); holes are provided at both ends of the second clamping plate (11), and a second lead screw nut is provided in one of the holes, the lead screw (8) passes through the second lead screw nut of the second clamping plate (11), and the guide rod (9) passes through another hole of the second clamping plate (11); the first lead screw nut and the second lead screw nut are both provided on the lead screw (8), and the first lead screw nut and the second lead screw nut are provided in opposite directions to each other.

4. The leak-proof liquid flow regulating valve according to claim 3, characterized in that: The elastic hose (4) is located between the lead screw and the guide rod (9); the elastic hose (4) is located between the first clamping plate (10) and the second clamping plate (11).

Images