Throttle valve with bidirectional structure

Abstract

The utility model relates to the technical field of throttle valves, and particularly discloses a throttle valve with a bidirectional structure, which comprises a pipeline, two ends of the pipeline are respectively and fixedly communicated with a flange A and a flange B, the inner wall of the pipeline is fixedly connected with a baffle plate, the baffle plate is Z-shaped, the surface of the baffle plate is provided with a round hole, a baffle block penetrates through the inner wall of the round hole, and the flange A and the flange B are fixedly communicated with the pipeline. A threaded rod is inserted into the surface of the pipeline in a threaded mode and rotates relative to the surface of a check block, a guide rod is fixedly connected to the end, away from the threaded rod, of the check block and penetrates through the pipeline, the arc surface of the guide rod is sleeved with a pointing ring, and the arc surface of the pointing ring is fixedly connected with an extension arm. The extension arm is fixedly connected with the arc surface of the pipeline, and the arc surface of the guide rod is fixedly connected with scale lines. According to the utility model, the problem that the throttle valve cannot be used in two directions is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to throttle valve technical field especially relates to a throttle valve with bidirectional structure. BACKGROUND

[0002] The throttle valve is a kind of device for controlling fluid flow in fluid conveying system, is usually installed in pipeline, adjusts the cross-sectional area of fluid passing by changing the opening of valve, to realize the control of flow, adjusts the flow rate of fluid in pipeline by limiting flow, ensures the safety and stability of fluid conveying process.

[0003] Throttle valve is usually to realize the accurate control of flow in specific direction, its internal structure is designed according to one-way flow, for example, the shape of valve core, the position of valve seat and the layout of fluid passage etc., are all to make fluid pass smoothly in one direction and carry out effective throttling control, when fluid flows reversely, these structures can cause fluid flow resistance to increase abnormally, even appear to be blocked or unable to effectively control flow condition, therefore, a kind of throttle valve with bidirectional structure is provided. SUMMARY

[0004] The utility model discloses a kind of throttle valves with bidirectional structure to solve the shortcoming that throttle valve cannot be used bidirectionally.

[0005] To achieve the above object, the utility model adopts the following technical scheme: a kind of throttle valve with bidirectional structure, including pipeline, the two ends of the pipeline are fixedly connected with flange A and flange B, the inner wall of the pipeline is fixedly connected with baffle, the baffle is "Z" shape, the surface of the baffle is equipped with round hole, the inner wall of the round hole is penetrated with stop block, the surface of the pipeline is screwed with threaded rod, the threaded rod is rotated with the surface of stop block.

[0006] The effect achieved by the above components is that by moving the stop block in the position of the round hole, the stop block can compress the aperture of the round hole from both sides of the round hole, thereby enabling the throttle valve to flow bidirectionally, improving the practicality of the throttle valve.

[0007] Preferably, the end of the stop block away from the threaded rod is fixedly connected with a guide rod, and the guide rod penetrates the pipeline.

[0008] The effect achieved by the above components is that the stop block will gradually pull out the guide rod from the pipeline, and the guide rod limits the movement path of the stop block, thereby avoiding the stop block from deviating during movement.

[0009] Preferably, the circular surface of the guide rod is sleeved with a pointing ring, the circular surface of the pointing ring is fixedly connected with an extension arm, the extension arm is fixedly connected with the circular surface of the pipeline, and the circular surface of the guide rod is fixedly connected with a scale mark.

[0010] The effect achieved by the above components is that the guide rod moves the scale lines when moving, and the moving distance of the stop block is known according to the scale lines pointed by the pointing ring, and then the size of the gap between the circular hole and the stop block is known, and the distance between the stop block and the circular hole is gradually compressed when the stop block moves, so as to reduce the aperture through which the gas passes through the circular hole.

[0011] Preferably, the guide plates are fixedly connected to the two sides of the baffle plate and fixedly connected to the inner wall of the pipeline.

[0012] The effect achieved by the above components is that the guide plates are fixed to the surface of the baffle plate, so that the gas entering the pipeline can flow to the position of the circular hole better by the inclination angle of the guide plates, thereby improving the flow effect of the gas.

[0013] Preferably, the circular hole of the baffle plate is sleeved with a sealing ring, and the sealing ring is made of rubber.

[0014] The effect achieved by the above components is that the stop block abuts against the inner wall of the circular hole, and the stop block extrudes the sealing ring, so as to improve the airtightness of the combination of the circular hole and the stop block.

[0015] Preferably, the end of the threaded rod away from the stop block is fixedly connected with a circular plate, and the arc surface of the circular plate is fixedly connected with a plurality of circular rods.

[0016] The effect achieved by the above components is that the rotation of the circular rods drives the rotation of the circular plate, and the rotation of the circular plate drives the rotation of the threaded rod, so as to facilitate the rotation of the threaded rod.

[0017] Compared with the prior art, the advantages and positive effects of the utility model lie in,

[0018] 1. In the utility model, the position of the stop block in the circular hole is moved, so that the stop block can compress the aperture of the circular hole from both sides of the circular hole, and then the throttle valve can flow in both directions, thereby improving the practicability of the throttle valve. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a whole structure schematic view of the utility model;

[0020] Figure 2 It is a cross section structure schematic view of the utility model;

[0021] Figure 3 It is a structure schematic view of the stop block of the utility model;

[0022] Figure 4 It is a structure schematic view of the baffle plate of the utility model;

[0023] Figure 5The utility model discloses a guide rod structure schematic view.

[0024] Legend: 1, pipeline; 2, flange A; 3, flange B; 4, baffle; 5, stop block; 6, threaded rod; 7, guide rod; 8, extension arm; 9, pointing ring; 10, scale line; 11, guide plate; 12, sealing ring; 13, round plate; 14, round rod. DETAILED DESCRIPTION

[0025] In order to more clearly understand the above purpose, features and advantages of the utility model, the utility model is further illustrated below with the drawings and examples.It needs to be explained that the embodiment of the present application and the features in the embodiment can be combined mutually without conflict.

[0026] In the following description, a lot of specific details are set forth in order to facilitate a full understanding of the utility model, but the utility model can also be implemented in other ways different from the description, therefore, the utility model is not limited to the specific embodiment disclosed in the following disclosure.

[0027] As Figure 1 - Figure 2 The utility model provides a throttling valve with bidirectional structure, including pipeline 1, the both ends of pipeline 1 are fixedly connected with flange A 2 and flange B 3 respectively, the inner wall of pipeline 1 is fixedly connected with baffle 4, baffle 4 is " Z " shape, the surface of baffle 4 is equipped with round hole, the inner wall of round hole is penetrated with stop block 5, the surface of threaded rod 6 is rotatory with stop block 5 in the position of round hole by moving stop block 5, so that stop block 5 can compress the aperture of round hole from the both sides of round hole, and then the throttling valve can flow bidirectionally, improve the practicability of throttling valve.

[0028] As Figure 3 and Figure 4 with Figure 5As shown, the block 5 is fixedly connected with a guide rod 7 away from one end of the threaded rod 6, the guide rod 7 penetrates the pipeline 1, the block 5 will drive the guide rod 7 gradually out of the pipeline 1, the guide rod 7 reaches the movement path of the block 5, thereby avoiding the block 5 from deviating when moving, the circular surface of the guide rod 7 is sleeved with a pointing ring 9, the circular surface of the pointing ring 9 is fixedly connected with an extension arm 8, the extension arm 8 is fixedly connected with the circular surface of the pipeline 1, the circular surface of the guide rod 7 is fixedly connected with a scale mark 10, the guide rod 7 will drive the scale mark 10 to move when moving, at this time, the moving distance of the block 5 is known according to the scale mark 10 pointed by the pointing ring 9, and then the size of the gap between the circular hole and the block 5 is known, the block 5 will gradually compress the distance between the circular hole when moving, thereby reducing the aperture of the circular hole through which the gas passes, the two sides of the baffle plate 4 are fixedly connected with a guide plate 11, the guide plate 11 is fixedly connected with the inner wall of the pipeline 1, the surface of the baffle plate 4 is fixedly connected with the guide plate 11, therefore, the gas entering the pipeline 1 can flow to the position of the circular hole by means of the inclination angle of the guide plate 11, thereby improving the flow effect of the gas, the circular hole on the surface of the baffle plate 4 is sleeved with a sealing ring 12, the sealing ring 12 is made of rubber, the block 5 is tightly abutted against the inner wall of the circular hole, the block 5 will extrude the sealing ring 12, the sealing ring 12 reaches the airtightness of improving the adhesion of the circular hole and the block 5, the one end of the threaded rod 6 away from the block 5 is fixedly connected with a circular plate 13, the circular surface of the circular plate 13 is fixedly connected with a plurality of circular rods 14, the rotation of the circular rod 14 will drive the circular plate 13 to rotate, the rotation of the circular plate 13 will drive the threaded rod 6 to rotate, the circular rod 14 reaches the effect of facilitating the rotation of the threaded rod 6.

[0029] The working principle of the whole is that when the throttle valve is needed, first, the flange A2 and the flange B3 are connected with the equipment respectively, at this time, the stop block 5 is located in the center of the circular hole on the surface of the baffle 4, when the gas is needed to enter from the flange A2, then the circular rod 14 is rotated, the rotation of the circular rod 14 drives the rotation of the circular plate 13, the rotation of the circular plate 13 drives the rotation of the threaded rod 6, the rotation of the threaded rod 6 moves in the pipeline 1 by means of the thread, the movement of the threaded rod 6 drives the movement of the stop block 5, the stop block 5 drives the guide rod 7 to gradually move out of the pipeline 1, the guide rod 7 reaches the movement path of the limiting stop block 5, thereby avoiding the deviation of the stop block 5 when moving, the guide rod 7 moves and drives the scale line 10 to move, at this time, the movement distance of the stop block 5 is known according to the scale line 10 pointed by the pointing ring 9, and then the gap between the circular hole and the stop block 5 is known, the stop block 5 gradually compresses the distance between the circular hole when moving, thereby reducing the hole diameter of the gas passing through the circular hole, when the stop block 5 moves to the appropriate position, at this time, the gas enters the pipeline 1 from the flange A2, the gas entering the pipeline 1 passes through the gap between the circular hole and the stop block 5 due to the shielding of the baffle 4, and then passes out from the flange B3, at this time, the position of the stop block 5 is adjusted, thereby the flow rate of the fluid passing through can be controlled, because the surface of the baffle 4 is fixed with the guide plate 11, therefore, the gas entering the pipeline 1 can flow to the position of the circular hole by means of the inclination angle of the guide plate 11, thereby improving the flow effect of the gas, when the reverse flow is needed, the threaded rod 6 is reversely rotated, thereby the stop block 5 is reversely moved to control the flow of the gas, thereby the gas can flow in two directions, when the throttle valve is needed to be closed, the stop block 5 is moved, and the stop block 5 slides into the circular hole, the stop block 5 abuts against the inner wall of the circular hole, and the stop block 5 extrudes the sealing ring 12, and the sealing ring 12 reaches the airtightness of the adhesion of the circular hole and the stop block 5.

[0030] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms, and any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made on the basis of the technical essence of the present application to the above embodiments still belongs to the protection scope of the technical scheme of the present application.

Claims

1. A throttle valve with a bidirectional structure, comprising a pipe (1), wherein flange A (2) and flange B (3) are fixedly connected to both ends of the pipe (1), characterized in that: A baffle (4) is fixedly connected to the inner wall of the pipe (1). The baffle (4) is "Z" shaped. A round hole is opened on the surface of the baffle (4). A stop block (5) passes through the inner wall of the round hole. A threaded rod (6) is threaded into the surface of the pipe (1). The threaded rod (6) rotates with the surface of the stop block (5).

2. A throttle valve with a bidirectional structure according to claim 1, characterized in that: The end of the stop block (5) away from the threaded rod (6) is fixedly connected to a guide rod (7), which passes through the pipe (1).

3. A throttle valve with a bidirectional structure according to claim 2, characterized in that: The guide rod (7) has a guide ring (9) on its arc surface. The guide ring (9) has an extension arm (8) fixedly connected to its arc surface. The extension arm (8) is fixedly connected to the arc surface of the pipe (1). The guide rod (7) has a scale pattern (10) fixedly connected to its arc surface.

4. A throttle valve with a bidirectional structure according to claim 1, characterized in that: Guide plates (11) are fixedly connected to both sides of the baffle (4), and the guide plates (11) are fixedly connected to the inner wall of the pipe (1).

5. A throttle valve with a bidirectional structure according to claim 1, characterized in that: A sealing ring (12) is fitted inside the round hole on the surface of the baffle (4), and the sealing ring (12) is made of rubber.

6. A throttle valve with a bidirectional structure according to claim 1, characterized in that: The threaded rod (6) is fixedly connected to a circular plate (13) at the end away from the stop block (5), and a number of circular rods (14) are fixedly connected to the arc surface of the circular plate (13).

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