Throttle orifice plate with adjusting structure

Abstract

The utility model discloses a throttling orifice plate with an adjusting structure, which comprises an infusion sealing assembly, a throttling adjusting structure is fixed on the infusion sealing assembly and is used for adjusting the area of holes of the throttling orifice plate, and the throttling orifice plate is characterized in that the infusion sealing assembly comprises a first flange plate and a second flange plate which are respectively welded at two ends of a pipeline; the first flange plate and the second flange plate are in threaded connection with bolts, and sealing rings are embedded in the first flange plate and the second flange plate and used for sealing treatment. The throttling orifice plate with the adjusting structure is provided with the sealing rings, the whole throttling orifice plate is sealed under the auxiliary action of the sealing rings on the first flange plate and the second flange plate, the situation that the use of the whole throttling orifice plate is affected due to incomplete sealing of the connecting position is avoided, and the adjusting plate is driven to rotate under the auxiliary action of the stepping motor on the throttling orifice plate; the adjusting plate adjusts the area of the second adjusting hole in the throttling orifice plate, so that the flowing area of fluid is adjusted, and the throttling orifice plate does not need to be replaced after disassembly.

Description

Technical Field

[0001] The utility model relates to the technical field of throttling orifice plates, in particular to a throttling orifice plate with an adjusting structure. Background Art

[0002] When the pressure difference before and after the pipeline is large, the method of adding a throttling orifice plate is often adopted. The principle is: when the fluid flows in the pipeline, the local resistance of the orifice plate causes the pressure of the fluid to decrease and energy is lost. This phenomenon is called throttling in thermodynamics. The existing throttling orifice plate is fixed and the area of ​​the hole cannot be adjusted according to needs, so it is not very practical. Utility Model Content

[0003] The utility model aims to provide a throttling orifice plate with an adjustment structure to solve the problem that the existing throttling orifice plate proposed in the above background technology is fixed and the area of ​​the hole cannot be adjusted according to needs.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a throttling orifice plate with an adjustment structure, including an infusion sealing assembly, on which a throttling adjustment structure is fixed and used to adjust the hole area of ​​the throttling orifice plate, characterized in that the infusion sealing assembly includes a first flange and a second flange welded at both ends of a pipeline, threaded connecting bolts are provided on the first flange and the second flange, and sealing rings are embedded on the first flange and the second flange and used for sealing.

[0005] Preferably, the first flange and the second flange have the same diameter, and six groups of threaded holes with the same inner diameter are formed on the first flange and the second flange.

[0006] By adopting the above technical solution, the first flange and the second flange are arranged to facilitate the connection of pipelines.

[0007] Preferably, the throttling adjustment structure comprises a throttling orifice plate, on which a motor drives an adjustment component to rotate and is used to adjust the fluid passage area of ​​the throttling orifice plate hole.

[0008] By adopting the above technical solution, a throttling orifice plate is provided to adjust the pressure difference.

[0009] Preferably, the adjustment assembly includes a driving gear, which is engaged with a driving rack on the adjustment plate, a first adjustment hole is provided on the throttling orifice plate and the adjustment plate, a second adjustment hole is provided on the throttling orifice plate, and the adjustment plate is rotatably connected to the throttling orifice plate via a rotating shaft.

[0010] By adopting the above technical solution, the fluid passing area is adjusted by setting the adjustment component.

[0011] Preferably, five groups of the second adjustment holes are provided, and the five groups of second adjustment holes are equidistantly penetrated through the second adjustment holes on the throttling orifice plate to increase the fluid passing area.

[0012] By adopting the above technical solution, through setting.

[0013] Preferably, fifteen groups of the first adjustment holes are provided, and the fifteen groups of first adjustment holes are equidistantly penetrated through the throttling orifice plate and the adjustment plate, and the inner diameters of the first adjustment holes are the same.

[0014] By adopting the above technical solution, the first regulating hole is provided to ensure the normal use of the throttling orifice plate.

[0015] Compared with the prior art, the utility model has the following beneficial effects: the throttling orifice plate with an adjustment structure

[0016] (1) A sealing ring is provided, and the entire throttle orifice plate is sealed with the assistance of the sealing rings on the first flange and the second flange, so as to avoid incomplete sealing at the connection, which affects the use of the entire throttle orifice plate;

[0017] (2) A throttling adjustment structure is provided. The adjustment plate is driven to rotate with the assistance of a stepper motor on the throttling orifice plate. The adjustment plate adjusts the area of ​​the second adjustment hole on the throttling orifice plate, thereby adjusting the fluid flow area. The throttling orifice plate does not need to be disassembled and replaced, thereby increasing practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the distribution structure of the throttling adjustment structure of the utility model on the infusion sealing component;

[0020] Figure 3 This is a front structural schematic diagram of the utility model;

[0021] Figure 4 It is a schematic diagram of the three-dimensional structure of the adjustment plate of the utility model.

[0022] In the figure: 1. infusion sealing assembly; 11. pipeline; 12. first flange; 13. second flange; 14. sealing ring; 15. bolt; 2. throttling adjustment structure; 21. throttling orifice plate; 22. adjustment assembly; 221. driving gear; 222. driving rack; 223. first adjustment hole; 224. adjustment plate; 225. second adjustment hole; 226. rotating shaft. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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] See also Figure 1-4 The utility model provides a technical solution: a throttling orifice plate with an adjustment structure such as Figure 1 , Figure 2 and Figure 3 As shown, the infusion sealing assembly 1 includes a first flange 12 and a second flange 13 welded at both ends of a pipeline 11, bolts 15 are threadedly connected on the first flange 12 and the second flange 13, and sealing rings are embedded on the first flange 12 and the second flange 13 for sealing treatment;

[0025] Preferably, the first flange 12 and the second flange 13 have the same diameter, and the first flange 12 and the second flange 13 are each provided with six groups of threaded holes with the same inner diameter. The first flange 12 and the second flange 13 are threadedly connected to the flange on the pipeline through bolts 15. The sealing ring 14 arranged in the first flange 12 and the second flange 13 is used to seal the connection to avoid leakage and affect the normal use of the entire device.

[0026] like Figure 1 , Figure 2 and Figure 3 As shown, the throttling adjustment structure 2 includes a throttling orifice plate 21, and a motor-driven adjustment component 22 on the throttling orifice plate 21 rotates and is used to adjust the fluid passing area of ​​the hole of the throttling orifice plate 21;

[0027] Preferably, the motor provided on the throttle orifice plate 21 is a stepper motor, and a waterproof cover is provided outside the stepper motor;

[0028] Further, the adjustment assembly 22 includes a driving gear 221, the driving gear 221 is engaged with a driving rack 222 on the adjustment plate 224, the throttle orifice plate 21 and the adjustment plate 224 are both provided with a first adjustment hole 223, the throttle orifice plate 21 is provided with a second adjustment hole 225, and the adjustment plate 224 is rotatably connected to the throttle orifice plate 21 via a rotating shaft 226;

[0029] Further preferably, a small hydraulic cylinder is embedded on the lower side of the adjustment plate, and the hydraulic cylinder drives the limit block to engage and limit the driving rack 222 on the adjustment plate 224 through the hydraulic rod, so as to prevent the movement of the adjustment plate 224 from affecting the flow rate of the fluid, and the sliding plate on the lower side of the adjustment plate 224 is slidably connected to the sliding groove on the throttling orifice plate 21, thereby ensuring the stability of the throttling orifice plate 21 and the adjustment plate 224 when in use;

[0030] In the above scheme, the regulating plate 224 is driven to rotate with the assistance of the stepping motor on the throttling orifice plate 21, and the regulating plate 224 rotates to adjust the hole size of the second regulating hole 225, thereby controlling the fluid passing area of ​​the throttling orifice plate 21, which is simple and convenient to operate.

[0031] like Figure 1 and Figure 2 As shown, five groups of second adjustment holes 225 are provided, and the five groups of second adjustment holes 225 are equidistantly penetrated on the throttle orifice plate 21, and fifteen groups of first adjustment holes 223 are provided, and the fifteen groups of first adjustment holes 223 are equidistantly penetrated on the throttle orifice plate 21 and the adjustment plate 224, and the inner diameters of the first adjustment holes 223 are the same;

[0032] In the above scheme, the setting of fifteen groups of first adjusting holes 223 ensures the normal operation of the throttling orifice plate 21. With the assistance of five groups of second adjusting holes 225, the flow rate of the fluid passing through the throttling orifice plate 21 is adjusted according to on-site needs. There is no need to replace the entire throttling orifice plate 21, which increases practicality.

[0033] Working principle: When using the throttling orifice plate with an adjustment structure, the external power supply is turned on, the infusion sealing component 1 seals the pipeline, and the throttling orifice plate 21 fluid flow is automatically adjusted with the assistance of the throttling adjustment structure 2.

[0034] The directions or positional relationships indicated by terms such as "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings. They are merely simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the protection content of the present invention.

[0035] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A throttling orifice plate with an adjustment structure, comprising an infusion sealing assembly (1), a throttling adjustment structure (2) being fixed on the infusion sealing assembly (1) and used for adjusting the hole area of ​​the throttling orifice plate, characterized in that: The infusion sealing assembly (1) comprises a first flange (12) and a second flange (13) respectively welded at both ends of a pipeline (11), threaded connection bolts (15) are both provided on the first flange (12) and the second flange (13), and sealing rings are both embedded on the first flange (12) and the second flange (13) for sealing.

2. The throttle orifice plate with an adjustment structure according to claim 1, characterized in that: The first flange (12) and the second flange (13) have the same diameter, and the first flange (12) and the second flange (13) are both provided with six groups of threaded holes with the same inner diameter.

3. The throttle orifice plate with an adjustment structure according to claim 1, characterized in that: The throttling adjustment structure (2) comprises a throttling orifice plate (21), and a motor-driven adjustment component (22) on the throttling orifice plate (21) rotates and is used to adjust the fluid passing area of ​​the hole of the throttling orifice plate (21).

4. The throttle orifice plate with an adjustment structure according to claim 3, characterized in that: The adjustment assembly (22) comprises a driving gear (221), the driving gear (221) being engaged with a driving rack (222) on an adjustment plate (224), a first adjustment hole (223) being provided on both the throttle orifice plate (21) and the adjustment plate (224), a second adjustment hole (225) being provided on the throttle orifice plate (21), and the adjustment plate (224) being rotatably connected to the throttle orifice plate (21) via a rotating shaft (226).

5. The throttle orifice plate with an adjustment structure according to claim 4, characterized in that: Five groups of the second adjustment holes (225) are provided, and the five groups of second adjustment holes (225) are equidistantly penetrated on the throttling orifice plate (21).

6. The throttle orifice plate with an adjustment structure according to claim 4, characterized in that: Fifteen groups of the first adjustment holes (223) are provided, and the fifteen groups of first adjustment holes (223) are equidistantly penetrated on the throttling orifice plate (21) and the adjustment plate (224), and the first adjustment holes (223) have the same inner diameter.

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