Throttling orifice plate for liquid pipeline

By designing an adjustment and cleaning mechanism for the orifice plate in the liquid pipeline, the problems of inconvenient baffle installation and inaccurate flow rate control in the existing technology are solved, realizing precise flow rate adjustment and self-cleaning of the device, and improving the accuracy of fluid control and the convenience of maintenance.

CN223794893UActive Publication Date: 2026-01-13SU JINTASHAN POWER GENERATION CO LTD
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Patent Information

Application Number
CN202520540322.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-26
Publication Date
2026-01-13
Estimated Expiration
2035-03-26

AI Technical Summary

Technical Problem

Existing orifice plates require the removal of the outer tube when installing baffles, making it impossible to quickly and accurately control the flow rate and precisely manage the flow.

Method used

A liquid pipeline throttling orifice plate was designed, which includes an adjustment mechanism and a cleaning mechanism. The baffle is precisely adjusted by rotating the positioning bolt and engaging the gear, and impurities are cleaned by the backflushing pipe, ensuring the stability of the flow rate and the cleanliness of the device.

Benefits of technology

It achieves precise throttling control of the baffle and self-cleaning function of the device, ensuring reduced fluid pressure and energy loss, and facilitating baffle replacement and maintenance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of throttling orifice plates, and discloses a liquid pipeline throttling orifice plate which comprises a mounting pipe, a throttling orifice plate body is arranged in the mounting pipe, an adjusting mechanism is arranged in the mounting pipe, a cleaning mechanism is arranged at the right end of the mounting pipe, liquid is locally blocked through the throttling orifice plate body, and the cleaning mechanism is arranged at the right end of the mounting pipe. Leakage holes are formed in a baffle, when the leakage holes and throttling holes of the throttling orifice plate body are different in dislocation, the liquid blocking effects are different, and therefore precise throttling is completed, a positioning bolt is installed in a fixing ring in a threaded mode, the positioning bolt is pressed on the outer portion of an adjusting disc, the adjusting disc does not rotate any more, and therefore precise throttling is achieved. And therefore, after the baffle is adjusted to a proper position, the position is fixed, liquid is filtered through the throttling orifice plate body, impurities adhered to the right side of the throttling orifice plate body are flushed out of the mounting pipe and the connecting pipe through the back flushing pipe under the impact of water, and the throttling orifice plate body can be replaced.
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Description

Technical Field

[0001] This utility model relates to the field of orifice plate technology, specifically to an orifice plate for liquid pipelines. Background Technology

[0002] An orifice plate is a device used for fluid control in pipelines. When there is a large pressure difference across a pipeline, an orifice plate is often added. By adding an orifice plate inside the pipeline, the fluid in the pipeline can be locally blocked, thereby reducing the fluid pressure and dissipating energy.

[0003] Existing orifice plates use bolts to install baffles on the outside of the orifice plate to achieve flow throttling. However, installing the baffle requires disassembling the outer pipe, which does not allow for quick and precise flow rate control or precise flow control. Therefore, an improved orifice plate for liquid pipelines is needed to solve these problems. Utility Model Content

[0004] The purpose of this invention is to provide a throttling orifice plate for liquid pipelines to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a liquid pipeline throttling orifice plate, including an installation pipe, an orifice plate body being provided inside the installation pipe, an adjustment mechanism being provided inside the installation pipe, and a cleaning mechanism being provided at the right end of the installation pipe.

[0006] Preferably, the adjusting mechanism includes a rotating ring rotatably mounted inside the mounting tube. A baffle is fixedly mounted on the inner side of the rotating ring, and a gear ring is fixedly mounted on the outer side of the baffle. A gear is rotatably mounted inside the mounting tube, and an adjusting disc is rotatably mounted on the outer side of the mounting tube. A gear ring is fixedly mounted on the inner side of the adjusting disc, and a fixing ring is fixedly mounted on the outer side of the mounting tube. A positioning bolt is threaded inside the fixing ring and presses against the outer side of the adjusting disc, preventing the adjusting disc from rotating. This allows the baffle to be fixed in position after being adjusted to a suitable location, thus achieving stable throttling.

[0007] Preferably, the positioning bolt contacts the adjusting disc, and the gear ring meshes with the gear, so that the adjusting disc can drive the gear to rotate.

[0008] Preferably, the gear meshes with the gear ring, and the baffle has a leakage hole inside to facilitate liquid flow.

[0009] Preferably, the cleaning mechanism includes a connecting pipe inserted into the interior of the mounting pipe. Two sealing rings are provided on the outside of the connecting pipe, and two mounting bolts are installed on the internal threads of the two sealing rings. A backflushing pipe is fixedly installed on the outside of the connecting pipe, and a control valve is provided on the outside of the backflushing pipe to control whether the backflushing pipe is open.

[0010] Preferably, the orifice plate body is disposed between the mounting pipe and the connecting pipe, the mounting pipe and the connecting pipe are fitted together, and both sealing rings are disposed on the outside of the mounting pipe, which facilitates the installation of the mounting pipe and the connecting pipe.

[0011] Compared with the prior art, this utility model provides a liquid pipeline throttling orifice plate, which has the following beneficial effects:

[0012] 1. This liquid pipeline orifice plate partially blocks the liquid through the orifice plate body, thereby reducing the fluid pressure and dissipating energy. The leakage holes opened in the baffle plate have different blocking effects on the liquid when the leakage holes are misaligned with the throttling holes of the orifice plate body, thus achieving precise throttling.

[0013] 2. Based on this, the present invention uses a positioning bolt threaded into the fixing ring, so that the positioning bolt is pressed against the outside of the adjusting plate, so that the adjusting plate no longer rotates, thereby fixing the position of the baffle after it is adjusted to a suitable position, and performing stable throttling.

[0014] 3. Based on this, the present invention filters liquid through the orifice plate body. When the liquid flows from left to right, the impurities adhering to the right side of the orifice plate body are flushed out of the interior of the installation pipe and connecting pipe through the backwash pipe under the impact of water, so that the interior is kept clean and the orifice plate body can be replaced. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of the appearance and structure of this utility model;

[0017] Figure 2 This is an exploded structural diagram of the present invention;

[0018] Figure 3 This is an exploded cross-sectional view of the installation pipe and its connected mechanism of this utility model.

[0019] Figure 4This is a schematic diagram of the adjustment mechanism of this utility model;

[0020] Figure 5 This is an exploded view of the cleaning mechanism of this utility model.

[0021] In the diagram: 1. Installation pipe; 2. Throttling orifice plate body; 3. Adjustment mechanism; 31. Rotary ring; 32. Baffle; 33. Gear ring one; 34. Gear; 35. Adjustment disc; 36. Gear ring two; 37. Fixing ring; 38. Positioning bolt; 4. Cleaning mechanism; 41. Connecting pipe; 42. Sealing ring; 43. Installation bolt; 44. Backflush pipe; 45. Control valve. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0024] Example 1:

[0025] Please see Figure 1-4 This utility model provides a technical solution: a liquid pipeline throttling orifice plate, including an installation pipe 1, an orifice plate body 2 is provided inside the installation pipe 1, an adjustment mechanism 3 is provided inside the installation pipe 1, and a cleaning mechanism 4 is provided at the right end of the installation pipe 1.

[0026] Furthermore, the adjusting mechanism 3 includes a rotating ring 31, which is rotatably installed inside the mounting pipe 1. A baffle 32 is fixedly installed on the inner side of the rotating ring 31, and a gear ring 33 is fixedly installed on the outer side of the baffle 32. A gear 34 is rotatably installed inside the mounting pipe 1, and an adjusting disc 35 is rotatably installed on the outer side of the mounting pipe 1. A gear ring 36 is fixedly installed on the inner side of the adjusting disc 35, and a fixing ring 37 is fixedly installed on the outer side of the mounting pipe 1. A positioning bolt 38 is installed on the internal thread of the fixing ring 37. The positioning bolt 38 is pressed against the outer side of the adjusting disc 35, so that the adjusting disc 35 no longer rotates, thereby fixing the position of the baffle 32 after it is adjusted to a suitable position, and performing stable throttling.

[0027] Furthermore, the positioning bolt 38 contacts the adjusting disc 35, and the gear ring 36 meshes with the gear 34, so that the adjusting disc 35 can drive the gear 34 to rotate.

[0028] Furthermore, gear 34 meshes with gear ring 33, and baffle 32 has a leakage hole inside to facilitate liquid flow.

[0029] Example 2:

[0030] Please see Figure 5 Furthermore, in conjunction with Embodiment 1, it is further found that the cleaning mechanism 4 includes a connecting pipe 41, which is inserted into the interior of the mounting pipe 1. Two sealing rings 42 are provided on the outside of the connecting pipe 41, and two mounting bolts 43 are installed on the internal threads of the two sealing rings 42. A backflushing pipe 44 is fixedly installed on the outside of the connecting pipe 41, and a control valve 45 is provided on the outside of the backflushing pipe 44 to control whether the backflushing pipe 44 is open.

[0031] Furthermore, the orifice plate body 2 is positioned between the mounting pipe 1 and the connecting pipe 41, with the mounting pipe 1 and the connecting pipe 41 fitting together. Both sealing rings 42 are positioned on the outside of the mounting pipe 1, facilitating the installation of the mounting pipe 1 and the connecting pipe 41.

[0032] In actual operation, when this device is used, the orifice plate 2 partially blocks the liquid, reducing the fluid pressure and dissipating energy, thus controlling the flow. When adjustment is needed based on specific conditions, the positioning bolt 38, threaded inside the fixed ring 37, is rotated, preventing it from contacting the adjusting disc 35 and allowing it to rotate. Rotating the adjusting disc 35 then drives the gear ring 36 to rotate, and the gear 34 meshes with it. The gear ring 33 meshes with the gear 34, driving the rotating ring 31 to rotate, causing the baffle 32 to rotate. The baffle 32 has a leakage hole inside; different misalignments between the leakage hole and the orifice of the orifice plate 2 result in different blocking effects on the liquid, thus achieving precise throttling. After adjustment, the positioning bolt 38, threaded inside the fixed ring 37, is rotated, pressing it against the outside of the adjusting disc 35, thus controlling the flow. The baffle 32 stops rotating, thus fixing its position after being adjusted to a suitable location, achieving stable throttling. Simultaneously, the orifice plate 2 filters the liquid. Normally, the liquid flows from right to left. When impurities accumulate on the outside of the orifice plate 2, affecting liquid flow, the end of the connecting pipe 41 furthest from the installation pipe 1 is closed, and the control valve 45 is opened to adjust the liquid flow direction to left to right. This allows impurities adhering to the right side of the orifice plate 2 to be flushed out of the installation pipe 1 and connecting pipe 41 through the backflushing pipe 44 under the impact of water, keeping the interior clean and preventing impurities from adhering to the outside of the orifice plate 2 and affecting liquid flow. When the orifice plate 2 requires maintenance, the two mounting bolts 43 are loosened from the sealing ring 42, and the two sealing rings 42 are removed. The connecting pipe 41 can then be removed from the installation pipe 1, and the orifice plate 2 can be removed from the installation pipe 1 for replacement, facilitating continuous use.

[0033] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

Claims

1. A liquid pipeline throttling orifice plate, comprising an installation pipe (1), characterized in that: The installation tube (1) is provided with a throttling orifice plate body (2), the installation tube (1) is provided with an adjustment mechanism (3), and the right end of the installation tube (1) is provided with a cleaning mechanism (4).

2. The orifice plate for throttling liquid pipelines according to claim 1, characterized in that: The adjusting mechanism (3) includes a rotating ring (31), which is rotatably installed inside the mounting tube (1). A baffle (32) is fixedly installed on the inner side of the rotating ring (31), and a gear ring (33) is fixedly installed on the outer side of the baffle (32). A gear (34) is rotatably installed inside the mounting tube (1), and an adjusting disc (35) is rotatably installed on the outer side of the mounting tube (1). A gear ring (36) is fixedly installed on the inner side of the adjusting disc (35), and a fixing ring (37) is fixedly installed on the outer side of the mounting tube (1). A positioning bolt (38) is installed on the internal thread of the fixing ring (37).

3. A liquid pipeline throttling orifice plate according to claim 2, characterized in that: The positioning bolt (38) contacts the adjusting plate (35), and the gear ring (36) meshes with the gear (34).

4. A liquid pipeline throttling orifice plate according to claim 2, characterized in that: The gear (34) meshes with the gear ring (33), and the baffle (32) has a leakage hole inside.

5. A liquid pipeline throttling orifice plate according to claim 1, characterized in that: The cleaning mechanism (4) includes a connecting pipe (41), which is inserted into the inside of the mounting pipe (1). Two sealing rings (42) are provided on the outside of the connecting pipe (41), and two mounting bolts (43) are installed on the internal threads of the two sealing rings (42). A backflush pipe (44) is fixedly installed on the outside of the connecting pipe (41), and a control valve (45) is provided on the outside of the backflush pipe (44).

6. A liquid pipeline throttling orifice plate according to claim 5, characterized in that: The orifice plate body (2) is disposed between the mounting pipe (1) and the connecting pipe (41), the mounting pipe (1) and the connecting pipe (41) are in contact, and the two sealing rings (42) are disposed outside the mounting pipe (1).