Adjusting valve group capable of self-adapting to flow change

Abstract

The utility model relates to the technical field of regulating valves, discloses a regulating valve group capable of self-adapting to flow change, and solves the problems that in the use process of the regulating valve group, the bottom of the regulating valve group lacks a supporting structure, so that the regulating valve moves downwards under the action of self gravity, the stability of the joint of the regulating valve group and a pipeline is reduced, and the service life of the regulating valve group is prolonged. The valve comprises a valve body, connecting flanges are fixedly installed on the two sides of the valve body, a supporting base is fixedly installed at the bottom of the valve body, a supporting bottom plate is arranged under the supporting base, and an adjusting supporting assembly is fixedly installed at the top of the supporting bottom plate; the top of the adjusting supporting assembly is connected with the bottom of the supporting base. According to the adjusting valve set, the bottom of the adjusting valve set can be better supported in the using process, the situation that the adjusting valve can move downwards under the action of the gravity of the adjusting valve set is avoided, the stability of the connecting position of the adjusting valve set and a pipeline is improved, and therefore better practicability can be achieved conveniently.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of governing valve, concretely is a governing valve group that can adapt to flow change. BACKGROUND

[0002] The governing valve, also known as a control valve, is an important industrial automation control device. It can automatically adjust the flow, pressure, temperature and other parameters of the medium in the pipeline according to the requirements of the process flow, to ensure the stability and safety of the process, and the governing valve can achieve the effect of self-adapting to flow changes. However, the bottom of the governing valve group lacks a supporting structure during use, which causes the governing valve to move downward under its own gravity, reducing the stability of the connection between the governing valve and the pipeline, and thus making it difficult to achieve better practicality. SUMMARY

[0003] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a governing valve group that can adapt to flow change, effectively solving the problem that the bottom of the governing valve group lacks a supporting structure during use, which causes the governing valve to move downward under its own gravity, reducing the stability of the connection between the governing valve and the pipeline, and thus making it difficult to achieve better practicality.

[0004] To achieve the above purpose, the utility model provides the following technical scheme: a governing valve group that can adapt to flow change, comprising a valve body, the two sides of the valve body are fixedly installed with connecting flanges, and the inside of the end of the connecting flange away from the valve body is fixedly installed with a circular filter screen plate, the top of the valve body is fixedly installed with a support frame, the top of the support frame is fixedly installed with a valve actuator, the bottom of the valve actuator is installed with a valve stem, and the bottom of the valve stem is movably penetrated into the support frame and connected with the valve body, the inside of the support frame is fixedly installed with a positioning frame, and the valve stem is rotatably installed in the inside of the positioning frame, the bottom of the valve body is fixedly installed with a support seat, a support bottom plate is arranged directly below the support seat, and fixed mounting holes are formed through the four corners of the support bottom plate, the top of the support bottom plate is fixedly installed with an adjusting support assembly, and the top of the adjusting support assembly is connected with the bottom of the support seat.

[0005] Preferably, the adjusting support assembly comprises a strip-shaped frame, and the strip-shaped frame is fixedly installed at the middle of the top of the support base plate; one side of the strip-shaped frame is provided with an adjusting block; a bidirectional screw rod is rotatably installed inside the strip-shaped frame; one end of the bidirectional screw rod is movably penetrated through one side of the strip-shaped frame and is fixedly connected with the adjusting block; a positioning screw rod is fixedly installed at the end of the bidirectional screw rod away from the adjusting block; one end of the positioning screw rod away from the bidirectional screw rod is movably penetrated and extends to the outside of the strip-shaped frame; a locking nut is screwedly installed at the outside of the positioning screw rod; one side of the locking nut is in contact with the side of the strip-shaped frame away from the adjusting block; screw thread movable sleeves are symmetrically screw threadedly installed at the outside of the bidirectional screw rod inside the strip-shaped frame; a connecting shaft is fixedly installed at the top of the screw thread movable sleeves; a movable support strip is rotatably installed on the connecting shaft; support shafts are rotatably installed at the ends of the movable support strip away from the connecting shaft; and the two support shafts are symmetrically fixedly installed at the bottom of the support base.

[0006] Preferably, the outside of the screw thread movable sleeves is symmetrically fixedly installed with positioning sliding blocks; and the outside of the strip-shaped frame is symmetrically penetrated with positioning sliding grooves, and the positioning sliding blocks are movably installed in the inside of the positioning sliding grooves.

[0007] Preferably, the four corners of the support base are penetrated with positioning sliding holes; the inside of the four positioning sliding holes is movably penetrated with positioning sliding rods; the bottom of the four positioning sliding rods is fixedly connected with the top of the support base plate; circular stop blocks are fixedly installed at the top of the positioning sliding rods; and the diameter of the circular stop blocks is greater than the diameter of the positioning sliding holes.

[0008] Compared with the prior art, the utility model has the advantages that:

[0009] 1) In the work, through the mutual action of the valve body, the connecting flange, the support frame, the valve actuator, the valve rod, the positioning frame, the support base, the support base plate, the fixed mounting hole and the adjusting support assembly, the bottom of the adjusting valve group can be better supported during use, the situation that the adjusting valve moves downward under the action of its own gravity is avoided, the stability of the pipe connection part is improved, and better practicality is achieved.

[0010] 2) In the work, through the mutual action of the positioning sliding block and the positioning sliding groove, the screw thread movable sleeve can be better stable when moving, and the adjusting support assembly can work stably. BRIEF DESCRIPTION OF DRAWINGS

[0011] The accompanying drawings are included to provide a further understanding of the utility model, constitute a part of the specification and are used to explain the utility model together with embodiments of the utility model and do not constitute a limitation on the utility model.

[0012] In the drawings:

[0013] Figure 1 It is a structural schematic view of the adjusting valve group of the utility model which can self-adapt flow change;

[0014] Figure 2 It is a structural schematic view of the adjusting support assembly of the utility model;

[0015] Figure 3 It is a structural schematic view of the inside structure of the strip-shaped frame of the utility model;

[0016] Figure 4 It is a structural schematic view of the support seat part of the utility model;

[0017] Figure 5 It is a structural schematic view of the support base plate of the utility model.

[0018] In the figure: 1, valve body; 2, connecting flange; 3, support frame; 4, valve actuator; 5, valve stem; 6, positioning frame; 7, support seat; 8, support base plate; 9, fixed mounting hole; 10, adjusting support assembly; 11, strip-shaped frame; 12, adjusting block; 13, bidirectional screw rod; 14, positioning screw rod; 15, locking nut; 16, threaded movable sleeve; 17, connecting shaft; 18, movable support strip; 19, support shaft; 20, positioning sliding block; 21, positioning sliding groove; 22, positioning sliding hole; 23, positioning sliding rod; 24, circular stop block; 25, circular filter screen plate. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0020] Embodiment one, by Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5The utility model relates to a kind of regulating valve groups that can be self-adapting flow change, including valve body 1, both sides of valve body 1 are fixedly installed with connecting flange 2, and the inside fixed mounting of connecting flange 2 far from the one end of valve body 1 is circular filter screen plate 25, can be filtered in the process of use, avoid the plugging of inside valve body 1, ensure the normal work of valve body 1, the top of valve body 1 is fixedly installed with support frame 3, the top of support frame 3 is fixedly installed with valve actuator 4, the bottom of valve actuator 4 is installed with valve stem 5, and the bottom of valve stem 5 is movably penetrated in support frame 3 and is connected with valve body 1, the inside fixed mounting of support frame 3 is positioning frame 6, and valve stem 5 is rotatably installed in the inside of positioning frame 6, the bottom of valve body 1 is fixedly installed with support seat 7, support base plate 8 is arranged in the just below of support seat 7, and fixed mounting hole 9 is penetrated and established in the four corners of support base plate 8, positioning sliding hole 22 is penetrated and established in the four corners of support seat 7, positioning sliding rod 23 is slidably penetrated and installed in the inside of four positioning sliding holes 22, and the top of positioning sliding rod 23 is fixedly installed with circular stopper 24, and the diameter of circular stopper 24 is greater than the diameter of positioning sliding hole 22, the top of support base plate 8 is fixedly installed with adjusting support assembly 10, and the top of adjusting support assembly 10 is connected with the bottom of support seat 7;

[0021] Adjusting support assembly 10 includes strip frame 11, and the top end middle part of support base plate 8 is fixedly installed with strip frame 11, one side of strip frame 11 is provided with adjusting block 12, bidirectional screw rod 13 is rotatably installed in the inside of strip frame 11, and one end of bidirectional screw rod 13 is movably penetrated in one side of strip frame 11 and is fixedly connected with adjusting block 12, one end of bidirectional screw rod 13 far from adjusting block 12 is fixedly installed with positioning screw rod 14, and one end of positioning screw rod 14 far from bidirectional screw rod 13 is movably penetrated and extends to the outside of strip frame 11, locking nut 15 is screw-mounted on the outside of positioning screw rod 14, and one side of locking nut 15 is in contact with one side of strip frame 11 far from adjusting block 12, screw movable sleeve 16 is screw-mounted in the inside of strip frame 11 and is located on the outside of bidirectional screw rod 13 symmetry, positioning sliding block 20 is fixedly installed on the outside of screw movable sleeve 16 symmetry, positioning sliding groove 21 is symmetrically penetrated and established on the outside of strip frame 11, and positioning sliding block 20 is slidably penetrated and installed in the inside of positioning sliding groove 21, connecting shaft 17 is fixedly installed on the top of screw movable sleeve 16, movable support strip 18 is rotatably installed on connecting shaft 17, support shaft 19 is rotatably installed on the one end of movable support strip 18 far from connecting shaft 17, and two support shafts 19 are symmetrically fixedly installed on the bottom of support seat 7.

[0022] In use, through the interaction of the valve body 1, the connecting flange 2, the support frame 3, the valve actuator 4, the valve stem 5, the positioning frame 6, the support seat 7, the support bottom plate 8, the fixed mounting hole 9 and the adjusting support assembly 10, the bottom of the adjusting valve group can be better supported during use, avoiding the situation that the adjusting valve moves downward under the action of its own gravity, improving the stability of the connection between the adjusting valve and the pipeline, thereby facilitating better practicality. Through the interaction of the positioning sliding block 20 and the positioning sliding groove 21, the threaded movable sleeve 16 can be moved stably, thereby ensuring that the adjusting support assembly 10 can work stably.

[0023] Working principle: When working, first, the fixed mounting hole 9 is fixedly installed by a fixed bolt with a diameter suitable for the fixed mounting hole 9, then the adjusting block 12 is held to keep the bidirectional screw rod 13 stationary, so that the positioning screw rod 14 is kept stationary, then the locking nut 15 is loosened to release the positioning of the bidirectional screw rod 13, then the adjusting block 12 is rotated to drive the bidirectional screw rod 13 to rotate, the bidirectional screw rod 13 drives the threaded movable sleeve 16 to move, the threaded movable sleeve 16 drives the positioning sliding block 20 to slide in the positioning sliding groove 21, which can ensure that the threaded movable sleeve 16 is stable during movement, and the threaded movable sleeve 16 drives the connecting shaft 17 to move, the connecting shaft 17 drives the movable support strip 18 to move, the movable support strip 18 pushes the support seat 7 upward through the support shaft 19, the support seat 7 slides on the outer side of the positioning sliding rod 23 under the action of the positioning sliding hole 22, which can ensure that the support seat 7 is stable during movement, and the support seat 7 drives the valve body 1 to move upward, the valve body 1 drives the connecting flanges 2 on both sides to move upward, after the connecting flanges 2 are moved to a height horizontally aligned with the pipeline to be connected, the adjusting block 12 is stopped from rotating, then the adjusting block 12 is held again, then the locking nut 15 is tightened again to position the bidirectional screw rod 13, then the adjusting block 12 is released, then the pipeline can be fixedly connected with the connecting flanges 2, which can make the bottom of the adjusting valve group better supported during use, avoid the situation that the adjusting valve moves downward under the action of its own gravity, improve the stability of the connection between the adjusting valve and the pipeline, thereby facilitating better practicality.

Claims

1. A regulating valve group adaptable to flow variation, comprising a valve body (1), characterized in that: Both sides of the valve body (1) are fixedly installed with connecting flanges (2), and the inner side of the end of the connecting flanges (2) away from the valve body (1) is fixedly installed with a circular filter screen plate (25), the top of the valve body (1) is fixedly installed with a support frame (3), the top of the support frame (3) is fixedly installed with a valve actuator (4), the bottom of the valve actuator (4) is installed with a valve stem (5), and the bottom of the valve stem (5) is movably penetrated through the support frame (3) and connected with the valve body (1), the inner side of the support frame (3) is fixedly installed with a positioning frame (6), and the valve stem (5) is rotatably installed in the inner side of the positioning frame (6), the bottom of the valve body (1) is fixedly installed with a support base (7), the bottom of the support base (7) is provided with a support bottom plate (8), and the four corners of the support bottom plate (8) are all penetrated to be provided with fixed mounting holes (9), the top of the support bottom plate (8) is fixedly installed with an adjusting support assembly (10), and the top of the adjusting support assembly (10) is connected with the bottom of the support base (7).

2. The self-adaptable flow change regulating valve group according to claim 1, wherein: The adjusting support assembly (10) comprises a strip-shaped frame (11) fixedly installed at the top of the support bottom plate (8), an adjusting block (12) is arranged on one side of the strip-shaped frame (11), a two-way screw rod (13) is rotatably installed in the strip-shaped frame (11), one end of the two-way screw rod (13) is movably penetrated through one side of the strip-shaped frame (11) and fixedly connected with the adjusting block (12), a positioning screw rod (14) is fixedly installed at the end of the two-way screw rod (13) away from the adjusting block (12), one end of the positioning screw rod (14) away from the two-way screw rod (13) is movably penetrated and extends to the outside of the strip-shaped frame (11), a locking nut (15) is screwedly installed on the outer side of the positioning screw rod (14), one side of the locking nut (15) is in contact with the side of the strip-shaped frame (11) away from the adjusting block (12), screw thread movable sleeves (16) are symmetrically screw threadedly installed in the inner side of the strip-shaped frame (11) and outside the two-way screw rod (13), a connecting shaft (17) is fixedly installed at the top of the screw thread movable sleeve (16), a movable support strip (18) is rotatably installed on the connecting shaft (17), support shafts (19) are rotatably installed at the ends of the movable support strip (18) away from the connecting shaft (17), and the two support shafts (19) are symmetrically fixedly installed at the bottom of the support base (7).

3. The self-adaptable flow change regulating valve group according to claim 2, characterized in that: The outer side of the screw thread movable sleeve (16) is symmetrically fixedly installed with a positioning sliding block (20), and the outer side of the strip-shaped frame (11) is symmetrically penetrated to be provided with a positioning sliding groove (21), and the positioning sliding block (20) is slidably penetrated and installed in the inner side of the positioning sliding groove (21).

4. The self-adaptable flow change regulating valve group according to claim 1, wherein: The four corners of the support base (7) are all penetrated to be provided with positioning sliding holes (22), and the inner sides of the four positioning sliding holes (22) are all slidably penetrated and installed with positioning sliding rods (23), and the bottoms of the four positioning sliding rods (23) are all fixedly connected with the top of the support bottom plate (8), and circular stop blocks (24) are fixedly installed at the tops of the positioning sliding rods (23), and the diameters of the circular stop blocks (24) are greater than the diameters of the positioning sliding holes (22).

Images