Adapter with internal pressure balance channel

By designing a converter with an internal pressure balancing channel, and utilizing the combination of a ball valve, push rod, slide plate, spring, pressure sensor, and motor, precise adjustment of the fluid channel area is achieved. This solves the problem that existing converters cannot adaptively adjust pressure, ensuring the stable operation of pipelines and equipment.

CN223662602UActive Publication Date: 2025-12-12GUANGHAN HUAYOU DRILLING & PROD EQUIP MFG CO LTD
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Patent Information

Application Number
CN202520361711.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-04
Publication Date
2025-12-12
Estimated Expiration
2035-03-04

AI Technical Summary

Technical Problem

Existing conversion joints cannot adaptively adjust the pressure within the channel, resulting in excessively high or low local pressure, which can damage pipelines and equipment.

Method used

A conversion joint with an internal pressure balancing channel was designed. Through the cooperation of a ball valve, push rod, slide plate, spring, pressure sensor and motor, the area of ​​the fluid channel can be precisely adjusted to dynamically balance the pressure inside the pipeline.

Benefits of technology

It achieves dynamic balance control of internal pressure, avoids damage to pipelines and equipment, and provides an intuitive display of pressure status, making it easy for operators to understand and adjust in a timely manner.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223662602U_ABST
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Abstract

The utility model relates to the technical field of adapters, and discloses an adapter with an internal pressure balance channel, which comprises an adapter, the top of the adapter is fixedly provided with a detection seat and a motor box, the bottom end of the detection seat penetrates through the inner wall of the adapter, the motor box is located on the right side of the detection seat, and the top of the detection seat is fixedly provided with a fixed box. A sliding groove is formed in the bottom of the detection seat, and a jacking mechanism is arranged in the sliding groove; a functional cavity is formed in the detection seat, a monitoring mechanism is arranged in the functional cavity, an adjusting mechanism is arranged between the motor box and the conversion connector, and the same rotating shaft is rotationally installed on the inner walls of the two sides of the fixed box. Compared with the prior art, the switching connector has the following advantages and effects that by arranging the monitoring mechanism and the adjusting mechanism, the overflowing area of the fluid channel in the switching connector can be accurately adjusted through the valve plate, the purpose of dynamic balance regulation and control over the internal pressure is achieved, and then the purpose of avoiding damage to pipelines and equipment is achieved.
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Description

TECHNICAL FIELD

[0001] The application relates to the technical field of conversion joints, in particular to a conversion joint with an internal pressure balance channel. BACKGROUND

[0002] The conversion joint with the internal pressure balance channel is used as a mechanical connecting piece for connecting different pipelines, equipment or components, has connecting components consistent with conventional conversion joints, such as threads, flanges, sleeve type interfaces and the like, and can tightly connect pipelines or equipment with different pipe diameters and interface forms. The core structure is an internally arranged pressure balance channel, the shape, size and layout of which are determined according to design and application requirements, and the channel is often matched with auxiliary components such as sealing elements and reinforcing ribs. During operation, the pressure balance channel senses the pressure change in the pipeline, transmits the pressure through the medium in the channel, and realizes automatic pressure balance between different pipelines or equipment, thereby avoiding excessive pressure difference. The conversion joint can protect the pipeline system, prevent pipeline damage caused by uneven pressure, ensure the operation of equipment in a stable pressure environment, reduce the adverse effects of pressure fluctuation on equipment, improve system stability, reduce vibration and noise, and is especially suitable for complex working conditions such as petroleum and chemical industry, aerospace, hydraulic transmission and the like with frequent pressure changes, large pressure difference or high requirements for pressure stability.

[0003] In actual use, it is found that the existing conversion joint cannot adaptively adjust the pressure in the channel, which is easy to cause local pressure to be too high or too low, thereby causing damage to the pipeline and equipment. Therefore, the conversion joint with the internal pressure balance channel is proposed to solve the above problems. CONTENT OF THE INVENTION

[0004] The purpose of the application is to solve the problems in the prior art that the pressure in the channel cannot be adaptively adjusted, which is easy to cause local pressure to be too high or too low, thereby causing damage to the pipeline and equipment, and a conversion joint with an internal pressure balance channel is proposed.

[0005] The above technical purpose of the application is realized by the following technical scheme: a conversion joint with an internal pressure balance channel, comprising a conversion joint, a detection seat and a motor box are fixedly installed at the top of the conversion joint, the detection seat penetrates the inner wall of the conversion joint at the bottom, the motor box is located at the right side of the detection seat, a fixed box is fixedly installed at the top of the detection seat, a sliding groove is formed in the bottom of the detection seat, and a top driving mechanism is arranged in the sliding groove; a function cavity is formed in the detection seat, a monitoring mechanism is arranged in the function cavity, an adjusting mechanism is arranged between the motor box and the conversion joint, the same rotating shaft is rotatably installed on the inner walls on both sides of the fixed box, the rotating shaft penetrates the left side of the fixed box at the left side, an indicating mechanism is arranged between the rotating shaft and the fixed box, and the same plate hole is formed between the detection seat and the fixed box.

[0006] The further setting of the application is that the jacking mechanism comprises a ball valve and a jacking rod, the ball valve is slidably installed on the inner wall of the sliding groove, the jacking rod is fixedly installed on the top of the ball valve, and the top end of the jacking rod extends into the function cavity.

[0007] By adopting the above technical scheme, the jacking mechanism is arranged, so that the pressure formed by the fluid in the pipeline can jack the ball valve, and the purpose of driving the jacking rod to move upward can be achieved.

[0008] The further setting of the application is that the monitoring mechanism comprises a sliding plate, a spring and a pressure sensor, the sliding plate is slidably installed on the inner wall of the function cavity, the spring is fixedly installed on the top of the sliding plate, the pressure sensor is arranged on the top inner wall of the function cavity, the spring is matched with the pressure sensor, and the sliding plate is arranged between the tooth driving mechanism and the rotating shaft.

[0009] By adopting the above technical scheme, the monitoring mechanism is arranged, so that the jacking rod can press the spring through the sliding plate, the pressure sensor can be triggered, and the purpose of controlling the motor through the control module can be achieved.

[0010] The further setting of the application is that the tooth driving mechanism comprises a rack plate and a gear, the rack plate is fixedly installed on the top of the sliding plate, the rack plate is slidably connected with the inner walls on both sides of the plate hole, the gear is fixedly sleeved on the rotating shaft, and the gear is engaged with the rack plate.

[0011] By adopting the above technical scheme, the tooth driving mechanism is arranged, so that the sliding plate can drive the rotating shaft to rotate, and the purpose of driving the pointer to rotate can be achieved.

[0012] The further setting of the application is that the adjusting mechanism comprises a motor and a valve plate, the motor is fixedly installed on the top inner wall of the motor box, the same valve plate is rotatably installed on the top inner wall and the bottom inner wall of the conversion joint, and the output shaft of the motor is fixedly connected with the top of the valve plate.

[0013] By adopting the above technical scheme, the adjusting mechanism is arranged, so that the motor can drive the valve plate to rotate, the flow area of the fluid passage in the conversion joint can be accurately adjusted through the valve plate, the dynamic balance regulation and control of the internal pressure can be achieved.

[0014] The further setting of the application is that the indicating mechanism comprises a pointer and a scale line, the pointer is fixedly installed on the left end of the rotating shaft, the scale line is arranged on the left side of the fixed box, the scale line is circumferentially distributed, the pointer is located on the inner side of the scale line, and the pointer is matched with the scale line.

[0015] By adopting the above technical scheme, the indicating mechanism is arranged, so that the corresponding position can be indicated on the inner side of the scale line through the pointer, the pressure state in the conversion joint can be intuitively presented to the operator, and the purpose of facilitating the staff to timely understand the system pressure condition can be achieved.

[0016] The further arrangement of the application is that the control module is arranged on the right side of the functional cavity and is electrically connected with the pressure sensor and the motor.

[0017] By adopting the above technical scheme, the control module is arranged, so that the pressure sensor signal can be received and processed by the control module, and the motor can be accurately controlled.

[0018] The further arrangement of the application is that the flanges are arranged at both ends of the conversion joint, and screw holes are arranged on the flanges.

[0019] By adopting the above technical scheme, the flanges are arranged, so that the bolt can be used to tightly and sealingly connect other pipelines.

[0020] The beneficial effects of the application are:

[0021] (1) By cooperation of the ball valve, the ejector rod, the sliding plate, the spring, the pressure sensor and the control module, the pressure formed by the fluid in the pipeline can drive the ball valve, the pressure sensor can be triggered by the ejector rod, the sliding plate and the spring, the motor can be controlled by the control module, the valve plate can be driven to rotate by the motor, the flow area of the fluid passage in the conversion joint can be accurately adjusted by the valve plate, the dynamic balance of the internal pressure can be controlled, and the pipeline and the equipment can be prevented from being damaged;

[0022] (2) By cooperation of the sliding plate, the rack plate, the gear, the rotating shaft, the pointer and the scale line, the pointer can be driven to rotate by the sliding plate, the corresponding position can be indicated by the pointer on the inside of the scale line, the pressure state in the conversion joint can be intuitively presented to the operator, the staff can timely understand the system pressure, and clear pressure data reference can be provided for subsequent adjustment operation. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the application, the drawings needed to be used in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the application, and other drawings can be obtained by those skilled in the art without creative labor.

[0024] Figure 1 is a perspective structural schematic view of a conversion joint with an internal pressure balance passage according to the application;

[0025] Figure 2 is a side structural schematic view of a conversion joint with an internal pressure balance passage according to the application;

[0026] Figure 3It is a partial cross-sectional structure schematic diagram of a conversion joint with an internal pressure balance channel of the application;

[0027] Figure 4 It is a conversion joint internal and motor box internal structure schematic diagram of a conversion joint with an internal pressure balance channel of the application;

[0028] Figure 5 It is a fixed box internal structure schematic diagram of a conversion joint with an internal pressure balance channel of the application.

[0029] In the figure: 1, conversion joint; 2, detection seat; 3, motor box; 4, fixed box; 5, functional cavity; 6, plate hole; 201, sliding groove; 202, ejector rod; 203, ball valve; 301, motor; 302, valve plate; 401, rotating shaft; 402, pointer; 403, scale line; 501, sliding plate; 502, spring; 503, control module; 504, pressure sensor; 601, rack plate; 602, gear. DETAILED DESCRIPTION

[0030] The technical solutions of the application will be described clearly and completely below in combination with specific embodiments. Obviously, the described embodiments are only some of the embodiments of the application, not all the embodiments. Based on the embodiments of the application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the application.

[0031] Referring to Figures 1-5 , the application provides a conversion joint with an internal pressure balance channel, comprising a conversion joint 1, the top of the conversion joint 1 is fixedly installed with a detection seat 2 and a motor box 3, the bottom end of the detection seat 2 penetrates the inner wall of the conversion joint 1, the motor box 3 is located at the right side of the detection seat 2, the top of the detection seat 2 is fixedly installed with a fixed box 4, the bottom of the detection seat 2 is provided with a sliding groove 201, the sliding groove 201 is provided with an ejector mechanism; the detection seat 2 is provided with a functional cavity 5, the functional cavity 5 is provided with a monitoring mechanism, the motor box 3 and the conversion joint 1 are provided with an adjusting mechanism, the same rotating shaft 401 is rotatably installed in the inner wall of the fixed box 4 on both sides, the left side of the rotating shaft 401 penetrates the left side of the fixed box 4, the rotating shaft 401 and the fixed box 4 are provided with an indicating mechanism, and the same plate hole 6 is provided between the detection seat 2 and the fixed box 4.

[0032] Specifically, the ejector mechanism comprises a ball valve 203 and an ejector rod 202, the ball valve 203 is slidably installed in the inner wall of the sliding groove 201, the ball valve 203 is fixedly installed at the top with the ejector rod 202, and the top end of the ejector rod 202 extends into the functional cavity 5.

[0033] Specifically, the monitoring mechanism comprises a sliding plate 501, a spring 502 and a pressure sensor 504, the sliding plate 501 is slidably arranged on the inner wall of the functional cavity 5, the spring 502 is fixedly arranged on the top of the sliding plate 501, the pressure sensor 504 is arranged on the top inner wall of the functional cavity 5, the spring 502 is matched with the pressure sensor 504, and the sliding plate 501 is provided with a gear mechanism between the sliding plate 501 and the rotating shaft 401.

[0034] Specifically, the gear mechanism comprises a rack plate 601 and a gear 602, the rack plate 601 is fixedly arranged on the top of the sliding plate 501, the rack plate 601 is slidably connected with the inner walls on both sides of the plate hole 6, the gear 602 is fixedly arranged on the rotating shaft 401, and the gear 602 is engaged with the rack plate 601.

[0035] Specifically, the adjusting mechanism comprises a motor 301 and a valve plate 302, the motor 301 is fixedly arranged on the top inner wall of the motor box 3, the same valve plate 302 is rotatably arranged on the top inner wall and the bottom inner wall of the conversion joint 1, and the output shaft of the motor 301 is fixedly connected with the top of the valve plate 302.

[0036] Specifically, the indicating mechanism comprises a pointer 402 and a scale line 403, the pointer 402 is fixedly arranged on the left end of the rotating shaft 401, the scale line 403 is arranged on the left side of the fixed box 4, the scale line 403 is circumferentially distributed, the pointer 402 is located on the inner side of the scale line 403, and the pointer 402 is matched with the scale line 403.

[0037] Specifically, the functional cavity 5 is provided with a control module 503 on the right side, and the control module 503 is electrically connected with the pressure sensor 504 and the motor 301.

[0038] Specifically, flanges are arranged at both ends of the conversion joint 1, and screw holes are arranged on the flanges.

[0039] In the application, when in operation, the dynamic pressure and the static pressure formed by the fluid in the pipeline jointly act on the conversion joint, the pressure is transmitted to the top rod 202 in a mechanical transmission mode when passing through the ball valve 203, the sliding plate 501 in the functional cavity 5 is driven to generate linear displacement, the spring 502 on the top of the sliding plate 501 is axially compressed in the movement process, and the pressure sensor 504 arranged on the top inner wall of the functional cavity 5 is triggered, the piezoelectric effect or the piezoresistive effect of the pressure sensor 504 can convert the pressure change that can be sensed into an electric signal, and the electric signal is transmitted to the control module 503 on the right side of the functional cavity 5, the control module 503 can realize the regulation and control of the motor 301 according to the electric signal fed back by the pressure sensor 504, the output shaft of the motor 301 can drive the valve plate 302 to rotate around the rotary center determined by the top and bottom inner walls of the conversion joint 1, the flow area of the fluid passage in the conversion joint 1 can be accurately adjusted through the valve plate 302, the purpose of dynamically balancing and regulating the internal pressure is achieved, and the purpose of avoiding damage to the pipeline and equipment is achieved.

[0040] At the same time, the displacement of the slide plate 501 drives the top fixed rack plate 601 to move synchronously, the rack plate 601 is connected with the inner wall of both sides of the plate hole 6 in sliding pair, and the linear motion thereof drives the gear 602 engaged therewith to rotate, since the gear 602 is interference fitted on the rotating shaft 401, the rotating shaft 401 is further driven to rotate, the pointer 402 connected with the left end of the rotating shaft 401 is rotated, the pointer 402 can indicate the corresponding position inside the scale line 403, which can realize the intuitive presentation of the pressure state in the conversion joint for the operator, facilitate the staff to understand the system pressure in time, provide clear pressure data reference for the subsequent possible adjustment operation, in addition, the conversion joint 1 is provided with flanges with screw holes at both ends, which can be tightly and sealingly connected with other pipelines through bolts, so that the whole fluid conveying system can run efficiently and safely under stable pressure working condition.

Claims

1. A swage fitting with internal pressure equalization channels, characterized by, Including conversion joint (1), the top fixed mounting of the conversion joint (1) has detection seat (2) and motor box (3), the bottom end of the detection seat (2) penetrates the inner wall of conversion joint (1), the motor box (3) is located at the right side of detection seat (2), the top fixed mounting of the detection seat (2) has fixed box (4), the bottom of the detection seat (2) is provided with sliding slot (201), the sliding slot (201) is provided with a top drive mechanism; The detection seat (2) is provided with a function cavity (5), the function cavity (5) is provided with a monitoring mechanism, the motor box (3) and the conversion joint (1) are provided with an adjusting mechanism, the same rotating shaft (401) is rotatably installed on the inner wall of the fixed box (4) on both sides, the rotating shaft (401) penetrates the left side of the fixed box (4), the rotating shaft (401) and the fixed box (4) are provided with an indicating mechanism, the detection seat (2) and the fixed box (4) are provided with the same plate hole (6).

2. The swage fitting with internal pressure equalization passage of claim 1, wherein: The top drive mechanism includes ball valve (203) and top rod (202), the sliding slot (201) is provided with ball valve (203), the top of the ball valve (203) is fixedly installed with top rod (202), and the top rod (202) extends into the function cavity (5).

3. The swage fitting with internal pressure equalization passage of claim 1, wherein: The monitoring mechanism includes slide plate (501), spring (502) and pressure sensor (504), the function cavity (5) is provided with slide plate (501), the top of the slide plate (501) is fixedly installed with spring (502), the top inner wall of the function cavity (5) is provided with pressure sensor (504), the spring (502) and the pressure sensor (504) are matched, and the slide plate (501) and the rotating shaft (401) are provided with a gear mechanism.

4. The swage fitting with internal pressure equalization passage of claim 3, wherein: The gear mechanism includes rack plate (601) and gear (602), the top of the slide plate (501) is fixedly installed with rack plate (601), the rack plate (601) is slidably connected with the inner wall on both sides of the plate hole (6), the rotating shaft (401) is fixedly provided with gear (602), and the gear (602) is engaged with the rack plate (601).

5. The transition joint with internal pressure equalization channels of claim 1, wherein: The adjusting mechanism includes motor (301) and valve plate (302), the top inner wall of the motor box (3) is fixedly installed with motor (301), the same valve plate (302) is rotatably installed on the top inner wall and the bottom inner wall of the conversion joint (1), and the bottom end of the output shaft of the motor (301) is fixedly connected with the top of the valve plate (302).

6. The transition joint with internal pressure equalization channels of claim 1, wherein: The indicating mechanism includes pointer (402) and scale line (403), the left end of the rotating shaft (401) is fixedly installed with pointer (402), the left side of the fixed box (4) is provided with scale line (403), the scale line (403) is distributed in a circle, the pointer (402) is located on the inner side of the scale line (403), and the pointer (402) and the scale line (403) are matched.

7. The transition joint with internal pressure equalization channels of claim 1, wherein: The right side of the function cavity (5) is provided with a control module (503), and the control module (503) is electrically connected with the pressure sensor (504) and the motor (301).

8. The transition joint with internal pressure equalization channels of claim 1, wherein: The conversion joint (1) is provided with flanges at both ends, and the flanges are provided with screw holes.