Porous valve element positioning assembly of high-pressure-difference regulating valve

Abstract

The utility model relates to the related technical field of regulating valves, in particular to a multi-hole valve core positioning assembly of a high-pressure-difference regulating valve, which is characterized in that a valve core and a valve body are arranged on the surface of the regulating valve, a positioning hole I is formed in the valve core, a cross seat is arranged on the surface of the positioning hole I, a rotating groove is formed in the valve body, and a valve rod and a spring are arranged on the surface of the valve body. A second positioning hole is formed in the control panel, a positioning column is arranged on the surface of the control panel, a screw is arranged in the second positioning hole, and a cross groove is formed in the positioning column. The valve has the beneficial effects that the effect of adjusting the control panel is achieved through the screw rod, meanwhile, the effect of fixing the control panel is achieved through the screw rod, the rotating stability of the screw rod is guaranteed through the rotating plate, the effect of positioning the valve element is achieved through the positioning column, the valve element is prevented from being vibrated due to medium impact force, and therefore the valve rod is protected, and the service life of the valve element is prolonged. The spring achieves the effect of jacking the positioning column, the stability of the positioning column structure is guaranteed, and the cross seat enhances the positioning effect of the positioning column on the valve element.

Description

Technical Field

[0001] The utility model relates to the technical field related to regulating valves, in particular to a multi-hole valve core positioning component of a high-pressure differential regulating valve. Background Art

[0002] The regulating valve is composed of two main assemblies: the valve body assembly and the actuator assembly, which are divided into four major series: single-seat series control valve, double-seat series control valve, sleeve series control valve and self-operated series control valve. The variations of the four types of valves can lead to many different applicable structures, each of which has its own special applications, characteristics, advantages and disadvantages.

[0003] In the prior art, a high pressure differential regulating valve is provided with a valve stem, and a porous valve core is provided at the bottom end of the valve stem. The valve stem and the porous valve core are connected with bolts. The staff controls the opening and closing degree of the porous valve core by controlling the valve stem, thereby realizing the regulation of the medium pressure by the porous valve core.

[0004] However, in the process of the porous valve core regulating the medium pressure, the porous valve core is subjected to long-term impact force of the medium. The impact force causes the porous valve core to vibrate, the vibration causes the porous valve core to be unstable, and the instability causes damage to the valve stem. Utility Model Content

[0005] The purpose of the utility model is to provide a porous valve core positioning assembly for a high-pressure differential regulating valve, so as to solve the problem that in the process of the porous valve core regulating the medium pressure, the porous valve core is subjected to long-term impact force of the medium, the impact force causes the porous valve core to vibrate, the vibration causes the porous valve core to be unstable, and the instability causes damage to the valve stem.

[0006] To achieve the above purpose, the utility model provides the following technical solution: a high pressure differential regulating valve multi-hole valve core positioning assembly, the high pressure differential regulating valve multi-hole valve core positioning assembly comprising:

[0007] A regulating valve, wherein a valve core and a valve body are provided on the surface of the regulating valve, a positioning hole 1 is opened in the valve core, and a cross seat is provided on the surface of the positioning hole 1;

[0008] A valve body, wherein a rotation groove is provided in the valve body, and a valve stem and a spring are provided on the surface of the valve body; and

[0009] A control panel is provided with a positioning hole in the control panel, a positioning column is provided on the surface of the control panel, a screw is provided in the positioning hole, and a cross groove is provided in the positioning column.

[0010] Preferably, a valve body is provided on the inner surface of the top of the regulating valve, the inner surface of the top of the regulating valve and the side surface of the valve body are fixedly connected, a valve core is provided on the inner surface of the regulating valve, and the inner surface of the regulating valve and the outer surface of the valve core are slidably connected.

[0011] Preferably, a valve stem is provided at the top of the valve core, the top of the valve core and the bottom of the valve stem are fixedly connected, a positioning hole is opened inside the valve core, and a positioning column is provided on the inner surface of the positioning hole, the inner surface of the positioning hole and the outer surface of the positioning column are slidably connected, a cross seat is provided on the bottom surface of the positioning hole, and the bottom surface of the positioning hole and the bottom end of the cross seat are fixedly connected.

[0012] Preferably, a cross groove is provided inside the bottom end of the positioning column, and the inner surface of the cross groove abuts against the outer surface of the cross seat, and a ring is provided on the outer surface of the positioning column, the outer surface of the positioning column and the inner surface of the ring are fixedly connected, and the bottom end of the ring abuts against the top end of the valve core, and a control plate is provided on the top end of the positioning column, and the top end of the positioning column and the bottom end of the control plate are fixedly connected.

[0013] Preferably, the outer surface of the bottom end of the valve body is provided with multiple springs, the outer surface of the bottom end of the valve body and the inner surface of the top end of the spring are fixedly connected, and a ring is provided at the bottom end of the spring, the bottom end of the spring and the top end of the ring are fixedly connected, and a circular hole is opened inside the valve body, and a valve stem is provided on the inner surface of the circular hole, the inner surface of the circular hole and the outer surface of the valve stem are rotatably connected, and a rotating groove is opened inside the side end of the valve body, and a rotating plate is provided on the inner surface of the rotating groove, and the inner surface of the rotating groove and the outer surface of the rotating plate are rotatably connected.

[0014] Preferably, a second positioning hole is opened inside the side end of the control panel, and a screw is provided on the inner surface of the second positioning hole, the inner surface of the second positioning hole and the outer surface of the screw are threadedly connected, and a rotating plate is provided at the bottom end of the screw, and the bottom end of the screw and the top end of the rotating plate are fixedly connected.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] According to the need to control the pressure of the medium, the control valve stem is used to adjust the valve core, the valve core moves in the regulating valve, and the screw is rotated. The screw drives the rotating plate to rotate, and the screw moves the control plate downward. The screw realizes the function of adjusting the control plate. At the same time, the screw realizes the function of fixing the control plate. The rotating plate ensures the stability of the screw rotation. The control plate moves downward, and the control plate drives the positioning column to move downward. The spring holds the ring. When the positioning column is inserted into the first positioning hole, the screw is stopped from rotating. The positioning column realizes the function of positioning the valve core, avoiding the vibration of the valve core caused by the impact force of the medium, thereby protecting the valve stem. The spring realizes the function of holding the positioning column, ensuring the stability of the positioning column structure. The cross seat is inserted into the cross groove opened at the bottom end of the positioning column. The cross seat strengthens the effect of the positioning column on the positioning of the valve core, ensuring the stability of the bottom end of the positioning column. At the same time, the cross seat facilitates the positioning connection between the positioning column and the valve core. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0018] Figure 2 This is a half-section view of the main structure of the utility model;

[0019] Figure 3 for Figure 2 A schematic diagram of the structure enlargement in the middle;

[0020] Figure 4 This is a schematic diagram of the position of the practical ring;

[0021] Figure 5 This is a half-section view of the practical control panel.

[0022] In the figure: regulating valve 1, screw 2, valve stem 3, control plate 4, positioning column 5, valve core 6, spring 7, valve body 8, positioning hole 1 9, cross groove 10, cross seat 11, ring 12, rotating plate 13, rotating groove 14, positioning hole 2 15. DETAILED DESCRIPTION

[0023] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of the utility model. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] In the description of the present utility model, it should be noted that the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "one", "first", "second", "third", "fourth", "fifth", "sixth" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] For the purpose of simplicity and illustration, the principles of the embodiments are mainly described by reference to examples. In the following description, many specific details are proposed to provide a thorough understanding of the embodiments. However, it is obvious that for those of ordinary skill in the art, these embodiments may not be limited to these specific details in practice. In some instances, known methods and structures are not described in detail to avoid making these embodiments unnecessarily difficult to understand. In addition, all embodiments can be used in combination with each other.

[0027] See also Figure 1-5 The utility model provides the following three preferred embodiments: a high-pressure differential regulating valve multi-hole valve core positioning assembly, the high-pressure differential regulating valve multi-hole valve core positioning assembly comprising:

[0028] A regulating valve 1, wherein a valve core 6 and a valve body 8 are provided on the surface of the regulating valve 1, a positioning hole 9 is provided in the valve core 6, and a cross seat 11 is provided on the surface of the positioning hole 9;

[0029] A valve body 8, a rotation groove 14 is provided in the valve body 8, and a valve stem 3 and a spring 7 are provided on the surface of the valve body 8; and

[0030] A control board 4, a second positioning hole 15 is provided in the control board 4, a positioning column 5 is provided on the surface of the control board 4, a screw 2 is provided in the second positioning hole 15, and a cross groove 10 is provided in the positioning column 5;

[0031] Embodiment 1

[0032] In order to improve the use effect of the screw 2, a valve body 8 is provided on the inner surface of the top of the regulating valve 1, the inner surface of the top of the regulating valve 1 and the side surface of the valve body 8 are fixedly connected, a valve core 6 is provided on the inner surface of the regulating valve 1, and the inner surface of the regulating valve 1 and the outer surface of the valve core 6 are slidably connected, a positioning hole 2 15 is provided inside the side end of the control plate 4, and a screw 2 is provided on the inner surface of the positioning hole 2 15, and the inner surface of the positioning hole 2 15 and the outer surface of the screw 2 are threadedly connected, and a rotating plate 13 is provided at the bottom end of the screw 2, and the bottom end of the screw 2 and the top end of the rotating plate 13 are fixedly connected, a valve stem 3 is provided at the top of the valve core 6, and the top end of the valve core 6 and the bottom end of the valve stem 3 are fixedly connected, and a valve core 6 is provided inside A positioning hole 9 is provided, and a positioning column 5 is provided on the inner surface of the positioning hole 9, the inner surface of the positioning hole 9 and the outer surface of the positioning column 5 are slidably connected, a cross seat 11 is provided on the bottom surface of the positioning hole 9, and the bottom surface of the positioning hole 9 and the bottom end of the cross seat 11 are fixedly connected; the pressure of the medium is controlled as needed, and the valve stem 3 is controlled to adjust the valve core 6, the valve core 6 moves in the regulating valve 1, and the screw 2 is rotated, and the screw 2 drives the rotating plate 13 to rotate, and the screw 2 moves the control plate 4 downward, and the screw 2 realizes the function of adjusting the control plate 4. At the same time, the screw 2 realizes the function of fixing the control plate 4, and the rotating plate 13 ensures the stability of the rotation of the screw 2.

[0033] Embodiment 2

[0034] On the basis of the first embodiment, in order to improve the use effect of the positioning column 5, a circular ring 12 is provided on the outer surface of the positioning column 5, the outer surface of the positioning column 5 and the inner surface of the circular ring 12 are fixedly connected, and the bottom end of the circular ring 12 and the top end of the valve core 6 are butted against each other, a control plate 4 is provided on the top end of the positioning column 5, the top end of the positioning column 5 and the bottom end of the control plate 4 are fixedly connected, a plurality of springs 7 are provided on the outer surface of the bottom end of the valve body 8, the outer surface of the bottom end of the valve body 8 and the inner surface of the top end of the spring 7 are fixedly connected, and a circular ring 12 is provided on the bottom end of the spring 7, the bottom end of the spring 7 and the top end of the circular ring 12 are fixedly connected, a circular hole is opened inside the valve body 8, and a valve stem 3 is provided on the inner surface of the circular hole, and the inner surface of the circular hole It is rotatably connected to the outer surface of the valve stem 3, and a rotating groove 14 is opened inside the side end of the valve body 8, and a rotating plate 13 is provided on the inner surface of the rotating groove 14, and the inner surface of the rotating groove 14 is rotatably connected to the outer surface of the rotating plate 13; the control plate 4 moves downward, and the control plate 4 drives the positioning column 5 to move downward, and the spring 7 supports the ring 12. When the positioning column 5 is inserted into the positioning hole 9, the rotating screw 2 is stopped. The positioning column 5 realizes the function of positioning the valve core 6, avoiding the valve core 6 from vibrating due to the impact force of the medium, thereby protecting the valve stem 3, and the spring 7 realizes the function of supporting the positioning column 5, ensuring the stability of the structure of the positioning column 5.

[0035] Embodiment 3

[0036] On the basis of the second embodiment, in order to improve the use effect of the cross seat 11, a cross groove 10 is opened inside the bottom end of the positioning column 5, and the inner surface of the cross groove 10 and the outer surface of the cross seat 11 are against each other; the cross seat 11 is inserted into the cross groove 10 opened at the bottom end of the positioning column 5, and the cross seat 11 strengthens the effect of the positioning column 5 on the positioning of the valve core 6, and ensures the stability of the bottom end of the positioning column 5. At the same time, the cross seat 11 facilitates the positioning connection between the positioning column 5 and the valve core 6.

[0037] According to the need to control the pressure of the medium, the control valve stem 3 adjusts the valve core 6, the valve core 6 moves in the regulating valve 1, the screw 2 is rotated, the screw 2 drives the rotating plate 13 to rotate, the screw 2 moves the control plate 4 downward, the screw 2 realizes the function of adjusting the control plate 4, and at the same time, the screw 2 realizes the function of fixing the control plate 4, the rotating plate 13 ensures the stability of the rotation of the screw 2, the control plate 4 moves downward, the control plate 4 drives the positioning column 5 to move downward, the spring 7 holds the ring 12, when the positioning column 5 is inserted into the positioning hole 9 , stop rotating the screw 2, the positioning column 5 realizes the function of positioning the valve core 6, avoids the valve core 6 from vibrating due to the impact force of the medium, thereby protecting the valve stem 3, the spring 7 realizes the function of supporting the positioning column 5, and ensures the stability of the structure of the positioning column 5, the cross seat 11 is inserted into the cross groove 10 opened at the bottom end of the positioning column 5, the cross seat 11 strengthens the effect of the positioning column 5 on the positioning of the valve core 6, and ensures the stability of the bottom end of the positioning column 5, at the same time, the cross seat 11 facilitates the positioning connection between the positioning column 5 and the valve core 6.

[0038] Although the above describes the illustrative specific implementation methods of the present application so that technicians in this technical field can understand the present application, the present application is not limited to the scope of the specific implementation methods. For ordinary technicians in this technical field, as long as various changes are within the spirit and scope of the present application defined and determined by the attached claims, all application creations using the concept of the present application are protected.

Claims

1. A multi-hole valve core positioning assembly for a high-pressure differential regulating valve, characterized in that: The multi-hole valve core positioning assembly of the high pressure differential regulating valve comprises: A regulating valve (1), wherein a valve core (6) and a valve body (8) are provided on the surface of the regulating valve (1), a positioning hole (9) is provided in the valve core (6), and a cross seat (11) is provided on the surface of the positioning hole (9); A valve body (8), wherein a rotation groove (14) is provided in the valve body (8), and a valve stem (3) and a spring (7) are provided on the surface of the valve body (8); and A control panel (4) is provided with a second positioning hole (15) in the control panel (4), a positioning column (5) is provided on the surface of the control panel (4), a screw (2) is provided in the second positioning hole (15), and a cross groove (10) is provided in the positioning column (5).

2. A multi-hole valve core positioning assembly for a high-pressure differential regulating valve according to claim 1, characterized in that: The inner surface of the top of the regulating valve (1) is provided with a valve body (8), the inner surface of the top of the regulating valve (1) and the side surface of the valve body (8) are fixedly connected, the inner surface of the regulating valve (1) is provided with a valve core (6), and the inner surface of the regulating valve (1) and the outer surface of the valve core (6) are slidably connected.

3. A multi-hole valve core positioning assembly for a high-pressure differential regulating valve according to claim 2, characterized in that: The top end of the valve core (6) is provided with a valve stem (3), the top end of the valve core (6) and the bottom end of the valve stem (3) are fixedly connected, a positioning hole (9) is provided inside the valve core (6), and a positioning column (5) is provided on the inner surface of the positioning hole (9), the inner surface of the positioning hole (9) and the outer surface of the positioning column (5) are slidably connected, a cross seat (11) is provided on the bottom surface of the positioning hole (9), and the bottom surface of the positioning hole (9) and the bottom end of the cross seat (11) are fixedly connected.

4. A multi-hole valve core positioning assembly for a high-pressure differential regulating valve according to claim 3, characterized in that: A cross groove (10) is provided inside the bottom end of the positioning column (5), and the inner surface of the cross groove (10) abuts against the outer surface of the cross seat (11), and a circular ring (12) is provided on the outer surface of the positioning column (5), the outer surface of the positioning column (5) and the inner surface of the circular ring (12) are fixedly connected, and the bottom end of the circular ring (12) abuts against the top end of the valve core (6), and a control plate (4) is provided at the top end of the positioning column (5), and the top end of the positioning column (5) and the bottom end of the control plate (4) are fixedly connected.

5. The multi-hole valve core positioning assembly for a high-pressure differential regulating valve according to claim 1, characterized in that: The outer surface of the bottom end of the valve body (8) is provided with a plurality of springs (7), the outer surface of the bottom end of the valve body (8) and the inner surface of the top end of the spring (7) are fixedly connected, and the bottom end of the spring (7) is provided with a circular ring (12), the bottom end of the spring (7) and the top end of the circular ring (12) are fixedly connected, and a circular hole is opened inside the valve body (8), and a valve stem (3) is provided on the inner surface of the circular hole, and the inner surface of the circular hole and the outer surface of the valve stem (3) are rotatably connected, and a rotating groove (14) is opened inside the side end of the valve body (8), and a rotating plate (13) is provided on the inner surface of the rotating groove (14), and the inner surface of the rotating groove (14) and the outer surface of the rotating plate (13) are rotatably connected.

6. A multi-hole valve core positioning assembly for a high-pressure differential regulating valve according to claim 1, characterized in that: A second positioning hole (15) is provided inside the side end of the control plate (4), and a screw (2) is provided on the inner surface of the second positioning hole (15), the inner surface of the second positioning hole (15) and the outer surface of the screw (2) are threadedly connected, and a rotating plate (13) is provided at the bottom end of the screw (2), and the bottom end of the screw (2) and the top end of the rotating plate (13) are fixedly connected.

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