Straight-through type reducer pipe joint

By using a straight-through reducing pipe joint with a fluid sensor and a threaded connection design, the problems of weak connection and poor sealing in the existing technology are solved, achieving easy disassembly and stable diameter reduction function, and improving the sealing performance and fluid detection capability of the pipeline system.

CN223677280UInactive Publication Date: 2025-12-16SHANGHAI ZHUYUAN INTELLIGENT TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520367759.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-05
Publication Date
2025-12-16
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

Existing two-way pipe fittings cannot achieve diameter reduction, and the connection is not secure, easily falling off or failing to seal completely, damaging the pipe and fitting during disassembly.

Method used

The system employs a straight-through reducing pipe fitting, which connects the fluid sensor and the reducing pipe fitting via a threaded connection. Combined with the flow pool and baffle design, it achieves stable connection and diameter reduction function, and is secured with bolts and nuts to ensure sealing and easy disassembly.

Benefits of technology

It achieves stable connection and sealing of the pipeline system, is easy to disassemble, reduces wear at the connection points, and improves the stability of the pipeline system and the ability to detect fluid data.

✦ Generated by Eureka AI based on patent content.

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Abstract

A straight-through type reducer pipe joint comprises a fluid sensor and a reducer pipe joint body, a plurality of threaded holes are formed in the bottom of the fluid sensor, the reducer pipe joint body is fixedly connected to the bottom of the fluid sensor, the reducer pipe joint body comprises a shell, an inflow pipe, an outflow pipe and a flow cell, and a first mounting hole is formed in the top of the shell; a plurality of first positioning holes in one-to-one correspondence with the threaded holes are formed in the periphery of the first mounting hole, a fluid sensor bottom end is arranged in the first mounting hole, an inflow hole and an outflow hole are symmetrically formed in the two sides of the shell, the inflow pipe is clamped and fixed to the inflow hole, the outflow pipe is clamped and fixed to the outflow hole, and an opening is formed in the top end of the flow cell; a plurality of second positioning holes in one-to-one correspondence with the first positioning holes are formed in the periphery of the top end of the flow cell, and a partition plate is arranged in the middle of the inner bottom of the flow cell. And more stable connection can be achieved through bolting and fixing of the pipeline and the shell, the sealing performance is effectively improved, disassembly is convenient, and the service life of the pipeline is prolonged.
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Description

TECHNICAL FIELD

[0001] The utility model relates to pipe joint technical field, especially a straight -through formula reducing pipe joint. BACKGROUND

[0002] Pipe joint is the part of connecting pipeline or installing pipeline on hydraulic element in hydraulic system, it is the general term of detachable connecting piece in fluid passage, mainly includes: welding type, sleeve type, buckling type and flaring type, including end straight -through joint, straight -through joint, three -way joint, elbow, with live nut joint, hinged joint, plug, transition joint etc., the two -way pipe joint in prior art, mostly cannot realize reducing function, to realize reducing function, prior art mostly adopts ring, hot melting, bonding etc. Mode fixes pipe and pipe joint together, these locking modes cause the fixed incompact due to the smooth surface of pipe joint and pipe connection, easily lead to the falling of pipe, or the uneven of pipe joint and pipe connection leads to the complete sealing after connection, and after connection, cannot carry out fast disassembly, and after disassembly, cause the serious damage of pipe and joint. SUMMARY

[0003] The utility model aims at providing a straight -through formula reducing pipe joint to solve the problem of prior art.

[0004] The above technical purpose of the utility model is realized by the following technical scheme:

[0005] A straight -through formula reducing pipe joint, including fluid sensor and reducing pipe joint, the bottom of fluid sensor is provided with a plurality of threaded holes, the bottom of fluid sensor is fixedly connected with reducing pipe joint, the reducing pipe joint includes shell, inflow pipe, outflow pipe and flow cell, the top of shell is provided with first installation hole, the periphery of first installation hole is provided with a plurality of first positioning holes corresponding to a plurality of threaded holes, the bottom end of fluid sensor is arranged in first installation hole, the both sides of shell are provided with inflow hole and outflow hole symmetrically, the inflow pipe is clamped and fixed at inflow hole, the outflow pipe is clamped and fixed at outflow hole, the top of flow cell is provided with open, and the top periphery of flow cell is provided with a plurality of second positioning holes corresponding to a plurality of first positioning holes, the inner bottom of flow cell is provided with baffle in middle position, the baffle is used to divide flow cell into inflow chamber and outflow chamber, the inflow chamber is communicated with inflow pipe, the outflow chamber is communicated with outflow pipe, the shell, flow cell and fluid sensor are all connected by screw thread.

[0006] By adopting the technical scheme, the fluid sensor and the variable-diameter pipe joint are stably connected together, the positioning holes on the shell and the flow cell and the threaded holes at the bottom of the flow sensor are fixedly connected through bolts and nuts, the connection is more compact, the shape of the flow cell is consistent with that of the shell, the close fit of the two is ensured, the positioning holes are arranged on the inflow pipe and the outflow pipe and used for fixedly connecting the pipe system needing to be changed in diameter, the connection end ports of the inflow pipe and the outflow pipe are flat and can closely fit the corresponding pipe system, the fluid is detected by the fluid sensor above the flow cell after entering the flow cell, the speed of the fluid is slowed down by the baffle and the two chambers in the flow cell, and the fluid can be more quickly transferred to the size of the next pipe diameter in the next chamber, and compared with the connection modes such as hot melting and bonding, the overall variable-diameter pipe joint is more easily disassembled and has higher sealing performance.

[0007] In a further embodiment, the shape of the bottom of the shell is consistent with the shape of the bottom of the flow cell, the flow cell comprises a first elbow pipe bending upward from left to right and a second elbow pipe bending upward from right to left, the first elbow pipe and the second elbow pipe are symmetrically arranged, and the intersection of the first elbow pipe and the second elbow pipe forms a baffle.

[0008] In a further embodiment, a first extension part extending away from the center is arranged at one end of the inflow pipe away from the flow cell, a plurality of third positioning holes are uniformly distributed on the first extension part, a second extension part extending away from the center is arranged at one end of the outflow pipe away from the flow cell, and a plurality of fourth positioning holes are uniformly distributed on the second extension part.

[0009] In a further embodiment, four first positioning holes are arranged on the shell, and the four threaded holes are uniformly distributed at four corners of the top of the shell.

[0010] In a further embodiment, a first gasket is arranged on each of the plurality of first positioning holes, and a second gasket is arranged on each of the plurality of second positioning holes.

[0011] In a further embodiment, an anticorrosive and antirust coating is coated on the shell.

[0012] In summary, the utility model has the following beneficial effects:

[0013] 1. By arranging the flow cell, the top of the flow cell is open, the top periphery is flat, the flow cell, the shell and the fluid sensor can be fixedly connected through the positioning holes, the sealing between the pipe system and the flow cell is ensured, the speed of the fluid is slowed down by the baffle and the two chambers in the flow cell, and the fluid can be more quickly transferred to the size of the next pipe diameter in the next chamber.

[0014] 2. By setting up inlet and outlet pipes, the first and second extensions at the interface ends of the inlet and outlet pipes can be used to bolt and fix them to the connecting pipes in the pipeline system that require diameter change. Bolting and fixing is easier to maintain and more convenient to disassemble compared to connection methods such as heat fusion and bonding.

[0015] 3. By setting up fluid sensors, key parts inside the reducing pipe joint can be monitored using the detection function of the fluid sensors, thereby confirming the internal fluid flow rate, pressure, and other effects, thus increasing the stability of the overall pipeline system. Attached Figure Description

[0016] Figure 1 This is an overall sectional view of a straight-through reducing pipe joint according to this utility model.

[0017] In the diagram, 1 is the fluid sensor; 2 is the reducing pipe fitting; 21 is the housing; 22 is the inlet pipe; 23 is the outlet pipe; 24 is the flow cell; 241 is the first bend; and 242 is the second bend. Detailed Implementation

[0018] The present invention will be further described in detail below with reference to the accompanying drawings.

[0019] Identical parts are indicated by the same reference numerals. It should be noted that the terms "front," "rear," "left," "right," "upper," and "lower" used in the following description refer to the attached figures. Figure 1 In this specification, the terms "bottom surface" and "top surface," "inner" and "outer" refer to the direction toward or away from the geometry of a specific component. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this specification, "a plurality of" means two or more, unless otherwise explicitly and specifically defined by the direction of the center.

[0020] Example 1:

[0021] like Figure 1As shown, a straight-through reducing pipe joint 2 comprises a fluid sensor 1 and a reducing pipe joint 2, the bottom of the fluid sensor 1 is provided with a plurality of threaded holes, the bottom of the fluid sensor 1 is fixedly connected with the reducing pipe joint 2, the reducing pipe joint 2 comprises a shell 21, an inflow pipe 22, an outflow pipe 23 and a flow cell 24, the shell 21 is coated with a corrosion and rust resistant coating, the corrosion and rust resistant coating on the shell 21 is mainly for harsh working conditions, the shell 21 itself is made of stainless steel, the top of the shell 21 is provided with a first mounting hole, the periphery of the first mounting hole is provided with a plurality of first positioning holes corresponding one by one with the plurality of threaded holes, the bottom end of the fluid sensor 1 is arranged in the first mounting hole, the two sides of the shell 21 are symmetrically provided with an inflow hole and an outflow hole, the inflow pipe 22 is clamped and fixed at the inflow hole, the outflow pipe 23 is clamped and fixed at the outflow hole, the inflow pipe 22, the outflow pipe 23 and the first mounting hole at the top of the shell 21 are flat, which can be more stably connected with the bottom of the fluid sensor 1 and the pipeline system, thereby effectively improving the sealing performance, the top end of the flow cell 24 is provided with an open mouth, the open mouth at the top end of the flow cell 24 is used to enable the fluid sensor 1 to more conveniently measure the fluid flowing in the flow cell 24, and the top end periphery of the flow cell 24 is provided with a plurality of second positioning holes corresponding one by one with the plurality of first positioning holes, the plurality of first positioning holes are all provided with first gaskets, the plurality of second positioning holes are all provided with second gaskets, the gaskets can prevent loosening and prevent the surface of the parts from being damaged by friction during the operation of the pipeline system, a partition plate is arranged at the middle position of the inner bottom of the flow cell 24, the partition plate is used to divide the flow cell 24 into an inflow cavity and an outflow cavity, the inflow cavity is communicated with the inflow pipe 22, the communication between the two mainly relies on the open mouth at the top of the flow cell 24, the fluid enters the inflow cavity through the inflow pipe 22, goes up along the arc of the partition plate, enters the outflow cavity after flowing through the fluid sensor 1, slows down and changes the pipe diameter to re-enter the pipeline system, the shape of the bottom of the shell 21 is consistent with the shape of the bottom of the flow cell 24, the flow cell 24 comprises a first elbow pipe 241 bending from left to right upwards and a second elbow pipe 242 bending from right to left upwards, the first elbow pipe 241 and the second elbow pipe 242 are symmetrically arranged, and the intersection of the first elbow pipe 241 and the second elbow pipe 242 forms the partition plate, the outflow cavity is communicated with the outflow pipe 23, the shell 21, the flow cell 24 and the fluid sensor 1 are all connected through threads, the end of the inflow pipe 22 away from the flow cell 24 is provided with a first extension part extending centrifugally, the first extension part is uniformly provided with a plurality of third positioning holes, the end of the outflow pipe 23 away from the flow cell 24 is provided with a second extension part extending centrifugally, the second extension part is uniformly provided with a plurality of fourth positioning holes, these positioning holes can help the extension part and the pipeline to be more stably fixedly connected, thereby effectively improving the sealing performance.

[0022] Specific implementation process: the shell 21 is placed on the ground, the open mouth is upward, the first gasket is coaxially arranged on the first positioning hole, the flow cell 24 is loaded into the shell 21, the second gasket is coaxially arranged on the second positioning hole, then the stud is penetrated from the top positioning hole of the shell 21 and is upward, the shell 21, the flow cell 24 and the gasket are fixed, the inflow pipe 22 is bolted and fixed at the inflow hole of the shell 21, the outflow pipe 23 is bolted and fixed at the outflow hole of the shell 21, then the bottom of the fluid sensor 1 is placed on the top of the flow cell 24, and the stud is screwed in one by one, so that the fluid sensor 1 is fixedly connected with the shell 21, the flow cell 24 and the gasket, and the fluid sensor 1 can detect the fluid data in the shell 21.

[0023] In the embodiments disclosed in the present application, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense. For example, "connecting" can be fixedly connected, or can be detachably connected, or integrally connected. "Connecting" can be directly connected, or indirectly connected through an intermediate medium. For those skilled in the art, the specific meanings of the above terms in the embodiments disclosed in the present application can be understood according to the specific circumstances.

[0024] The specific embodiments are only an explanation of the present application, and are not a limitation of the present application. Those skilled in the art can make modifications to the embodiments without creative contribution after reading the present application, as long as the modifications are within the scope of the claims of the present application.

Claims

1. A straight-through reducing pipe fitting, comprising a fluid sensor (1) and a reducing pipe fitting (2), characterized in that: The fluid sensor (1) has multiple threaded holes at its bottom. A reducing pipe connector (2) is fixedly connected to the bottom of the fluid sensor (1). The reducing pipe connector (2) includes a housing (21), an inlet pipe (22), an outlet pipe (23), and a flow tank (24). A first mounting hole is provided at the top of the housing (21). Multiple first positioning holes, corresponding one-to-one with the multiple threaded holes, are provided around the first mounting hole. The bottom end of the fluid sensor (1) is provided in the first mounting hole. Inlet holes and outlet holes are symmetrically provided on both sides of the housing (21). The inlet pipe (22) The flow tank (24) is snapped and fixed at the inlet hole, and the outlet pipe (23) is snapped and fixed at the outlet hole. The top of the flow tank (24) is open, and the top periphery of the flow tank (24) is provided with multiple second positioning holes corresponding to multiple first positioning holes. A partition is provided in the middle of the bottom of the flow tank (24). The partition is used to divide the flow tank (24) into an inlet chamber and an outlet chamber. The inlet chamber is connected to the inlet pipe (22), and the outlet chamber is connected to the outlet pipe (23). The housing (21), the flow tank (24), and the fluid sensor (1) are all connected by threads.

2. A straight-through reducing pipe fitting according to claim 1, characterized in that: The bottom shape of the shell (21) is consistent with the bottom shape of the flow pool (24). The flow pool (24) includes a first bend (241) that bends upward from left to right and a second bend (242) that bends upward from right to left. The first bend (241) and the second bend (242) are symmetrically arranged, and the intersection of the first bend (241) and the second bend (242) forms a partition.

3. A straight-through reducing pipe fitting according to claim 1, characterized in that: The inflow pipe (22) is provided with a centrifugally extended first extension at the end away from the flow pool (24), and a plurality of third positioning holes are evenly distributed on the first extension. The outflow pipe (23) is provided with a centrifugally extended second extension at the end away from the flow pool (24), and a plurality of fourth positioning holes are evenly distributed on the second extension.

4. A straight-through reducing pipe fitting according to claim 1, characterized in that: The housing (21) has four first positioning holes, and the four threaded holes are evenly distributed at the four corners of the top of the housing (21).

5. A straight-through reducing pipe fitting according to claim 4, characterized in that: Each of the plurality of first positioning holes is provided with a first gasket, and each of the plurality of second positioning holes is provided with a second gasket.

6. A straight-through reducing pipe fitting according to claim 1, characterized in that: The shell (21) is coated with an anti-corrosion and anti-rust coating.