CN209942991U

CN209942991U - Distributing pipe with sealed integrated sensor joint

Info

Publication number: CN209942991U
Application number: CN201920502242.9U
Authority: CN
Inventors: 肖松; 康慧忠; 黄陆鑫
Original assignee: SHANGHAI WEIKEMAI LONGCHUAN AUTOMOTIVE ENGINE PARTS CO Ltd
Current assignee: Saiwo Zhizao Shanghai Technology Co Ltd
Priority date: 2018-12-11
Filing date: 2019-04-15
Publication date: 2020-01-14
Anticipated expiration: 2029-04-15
Also published as: CN210141178U; CN109869253A; WO2020119181A1

Abstract

The utility model provides an integral type sensor connects sealed distributing pipe, connect including distributing pipe body, sensor, this internal inner chamber that is equipped with of distributing pipe is equipped with first oil through hole, its characterized in that in the sensor connects: the inner chamber one end opening, the distributing pipe body and the sensor of the inner chamber other end connect and form integrated into one piece's seal structure, and the first oil through hole intercommunication inner chamber that the sensor connects is inside with the sensor connects. The utility model provides a how that prior art exists avoid the distributing pipe to connect the components of a whole that can function independently with the sensor to form the gap and reveal the problem of petrol (especially under the inside highly compressed condition of distributing pipe), can reach sealing performance, pressure resistance, the purpose that reduces the part, reduces assembly process, the energy consumption in the reduction production process that further promotes the distributing pipe through solving aforementioned problem.

Description

Distributing pipe with sealed integrated sensor joint

Technical Field

The utility model relates to a part of car engine part especially relates to an integral type sensor connects sealed distributing pipe.

Background

The function of the oil rail is as follows: taking a gasoline engine as an example, the gasoline engine has a plurality of cylinders, and each cylinder is independently provided with an injector for supplying gasoline, and all injectors are connected to a common oil pipe (fuel common rail for short). The working principle is that gasoline is firstly conveyed from an oil tank into an oil rail by an oil pump according to a certain pressure, the gasoline is conveyed into each oil injector by the constant working pressure in the oil rail, and the oil injectors inject the gasoline into cylinders for combustion according to requirements through an electric control device. The fuel rail is independent from the gasoline engine and is kept unchanged in the whole injection combustion process.

High-pressure oil rail: the fuel oil is directly injected into the cylinder, and the high-pressure airflow in the cylinder is utilized to fully atomize the gasoline so as to achieve the purpose of fully burning the gasoline. Because the gasoline is fully combusted, the economic performance of the fuel oil is greatly improved, the carbon dioxide emission is obviously reduced, and the performance of a high-pressure fuel oil engine has excellent performance, and is a gasoline engine technology which is widely adopted internationally at present.

In order to improve the performance and save energy and reduce consumption of the international high-pressure gasoline engine at present, the main flow method is to continuously improve the working pressure and the strength of the whole engine, the performance requirements on the high-pressure oil rail are higher and higher, especially the requirements on the sealing performance and the pressure resistance of the distribution pipe for the high-pressure oil rail assembly of the engine are higher and higher, the inner cavity 2 of the existing distribution pipe is usually a through hole (detailed in figures 1 and 2), one end of the through hole of the inner cavity 2 is an opening, the other end of the through hole of the inner cavity 2 is in split connection inside the distribution pipe body 1 by matching a split type sensor joint 11 with a first copper oxide ring 12, but gaps (namely leakage risk points 5) are inevitably formed between the split type sensor joint 11 and the inner wall of the distribution pipe body 1 and between the first copper oxide ring 12 and the inner wall of the distribution pipe, the use rate of gasoline can be reduced, and other parts of the automobile can be damaged, so that how to avoid gasoline leakage from a gap between a sensor connector of the distribution pipe and the distribution pipe (especially under the condition of high pressure in the distribution pipe) becomes a problem to be solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an integral type sensor connects sealed distributing pipe, the main problem of how avoiding distributing pipe and sensor joint components of a whole that can function independently to be connected and form the gap and reveal petrol (especially under the inside highly compressed condition of distributing pipe) of solving that above-mentioned prior art exists can reach the purpose that further promotes sealing performance, the compressive property of distributing pipe, reduces the part, reduces assembly process, reduces the energy consumption in the production process through solving aforementioned problem.

In order to realize the purpose, the utility model discloses the technical scheme who adopts is: the utility model provides an integral type sensor connects sealed distributing pipe, includes that distributing pipe body, sensor connect, this internal inner chamber that is equipped with of distributing pipe, sensor connect and are equipped with first oil through hole, its characterized in that in: the inner chamber one end opening, the distributing pipe body and the sensor of the inner chamber other end connect and form integrated into one piece's seal structure, and the first oil through hole intercommunication inner chamber that the sensor connects is inside with the sensor connects.

Furthermore, at least one second oil through hole is formed in the distribution pipe body.

Further, the other end of the inner cavity is in a shape of a cylinder, a cone, a spherical surface, a W shape, a right angle or a rounded corner, or a shape formed by combining at least two shapes of the cylinder, the cone, the spherical surface, the W shape, the right angle and the rounded corner.

Further, the cross-sectional shape of the inner cavity is a circle, a square, a rectangle, an ellipse, a trapezoid, a regular pentagon, a regular hexagon, a regular polygon or an irregular polygon.

Further, the cross section formed by the outer edge of the distribution pipe body is in a circular shape, a square shape, a rectangular shape, an oval shape, a trapezoid shape, a regular pentagon shape, a regular hexagon shape, a regular polygon shape or an irregular polygon shape.

Furthermore, the corner at the other end of the inner cavity is in arc transition.

Further, the R angle of the arc transition at the break angle is at least 0.1 mm.

Further, the central axis of the distribution pipe body coincides with the central axis of the inner cavity.

Further, the minimum thickness of the distribution pipe body is at least 1 mm; the wall thickness of the sensor joint is at least 1 mm; the depth of the inner cavity is 1-1000 mm.

Further, the cross-sectional shape of the joint of the sensor connector and the distribution pipe body is a circle, a square, a rectangle, an ellipse, a trapezoid, a quincunx, a gear, a regular pentagon, a regular hexagon, a regular polygon, an irregular polygon, or a shape formed by combining at least two shapes of a circle, a square, a rectangle, an ellipse, a trapezoid, a quincunx, a gear, a regular pentagon, a regular hexagon, a regular polygon and an irregular polygon.

In view of the above technical features, the utility model discloses following beneficial effect has:

the utility model discloses the product mainly used engine high pressure oil rail assembly can be applicable to the engine of gasoline engine, diesel engine, gas engine, other types's fuel engine and other energy, and these engines can apply to in the engine of large-scale machinery such as motor vehicle, car, boats and ships, aircraft.

The product of the utility model can improve the sealing performance, the pressure resistance and the mechanical strength of the distributing pipe sealed by the integrated sensor joint through the design that the distributing pipe body is integrally connected with the sensor joint; meanwhile, due to the integrated design of the distribution pipe sealed by the integrated sensor joint instead of the split type, parts required by products can be reduced, assembly processes (such as equipment, clamps, labor and time required for assembly, and equipment, tools, labor and time required for quality inspection) can be reduced, and energy consumption in the production process can be reduced.

The utility model provides a technical scheme can design different sizes according to actual conditions to satisfy the demand of different engine high pressure oil rail assemblies.

Drawings

FIG. 1 is a schematic view showing a structure in which a distribution pipe and a sensor joint are separately connected in the prior art;

FIG. 2 is a schematic view of the prior art mounting of the distribution pipe, the sensor joint, and the first oxygen-free copper ring at location M of FIG. 1;

FIG. 3 is a schematic structural diagram of a dispensing tube with an integrated sensor connector seal according to embodiment 1;

FIG. 4 is a schematic view of the portion N of FIG. 3 (i.e., the bottom of the interior chamber of the dispensing tube with an integral sensor adapter seal);

FIG. 5 is a cross-sectional view 1 (circular) taken at A-A in FIG. 4;

FIG. 6 is a cross-sectional view 2 (square) taken along line A-A of FIG. 4;

FIG. 7 is a cross-sectional view 3 (rectangular) taken along line A-A of FIG. 4;

FIG. 8 is a cross-sectional view 4 (oval) taken at A-A of FIG. 4;

FIG. 9 is a cross-sectional view 5 (pentagon) taken at A-A of FIG. 4;

FIG. 10 is a cross-sectional view taken along line A-A of FIG. 4 (quincunx);

FIG. 11 is a cross-sectional view 7 (gear shape) taken at the point A-A in FIG. 4;

FIG. 12 is a schematic structural view of the bottom of the inner cavity of the distribution pipe sealed by the integrated sensor connector in the embodiment 2;

FIG. 13 is a schematic structural diagram of the bottom of the inner cavity of the distribution pipe sealed by the integrated sensor connector in embodiment 3;

FIG. 14 is a schematic structural diagram of the bottom of the inner cavity of the distribution pipe sealed by the integrated sensor connector in embodiment 4;

FIG. 15 is a schematic structural view of the bottom of the inner cavity of the distribution pipe sealed by the integrated sensor connector in the embodiment 5;

fig. 16 is a perspective view of an integrated sensor fitting sealed dispensing tube of embodiment 1.

In the figure: the sensor comprises a distributing pipe body in the prior art, a distributing pipe inner cavity in the prior art, a leakage risk point of the distributing pipe in the prior art, a distributing pipe body 6-1, a second oil through hole in the distributing pipe body, a distributing pipe inner cavity 7, a distributing pipe inner cavity bottom 7-1, a bent angle 9, a sensor joint 10-1, a first oil through hole of the sensor joint 10-2, a sensor joint inside 11, a split sensor joint in the prior art, a first copper oxide ring used for the distributing pipe in the prior art 12, a distributing pipe inner cavity bottom in the prior art, and a distributing pipe inner cavity bottom N (namely the bottom of the distributing pipe inner cavity close to one end of the sensor joint).

Detailed Description

The present invention will be further described with reference to the following detailed description. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.

Referring to fig. 3 to 11, embodiment 1, the utility model provides a pair of integral type sensor connects sealed distributing pipe, including distributing pipe body 6 and sensor joint 10, be equipped with first oil through hole 10-1 in the sensor joint 10, its characterized in that: an inner cavity 7 is arranged in the distributing pipe body 6, one end of the inner cavity 7 is opened, the opening is a process opening formed after the distributing pipe sealed by the integrated sensor connector is processed, a sealing cover (not shown in the attached drawing) and a second oxygen-free copper ring (not shown in the attached drawing) can be used for sealing the opening of the inner cavity 7, the distributing pipe body 6 at the other end of the inner cavity 7 and the sensor connector 10 form an integrated sealing structure (namely the sensor connector 10 and the distributing pipe body 6 are integrally sealed and have no gap, no leakage risk point exists at the position, namely the distributing pipe inner cavity 7 is a non-through hole, the sealing performance and the pressure resistance of the product of the utility model are improved), the sensor connector 10 and the distributing pipe body 6 are integrally formed by the structure, the integrated sealing structure of seamless connection can effectively avoid the leakage risk point at the connecting position of the sensor connector 10 and the distributing pipe, and further, the sealing performance, the pressure resistance and the mechanical strength of the distribution pipe are improved, parts are saved, the assembling and checking procedures are reduced, and the energy consumption in the production process is reduced. The first oil through hole 10-1 of the sensor joint is communicated with the inside of the distribution pipe inner cavity 7 and the inside 10-2 of the sensor joint, namely, the sensor monitors the pressure of fuel (such as gasoline, diesel oil and the like) in the distribution pipe inner cavity 7 through the first oil through hole 10-1 of the sensor joint. The distribution pipe body 6 is provided with at least one second oil through hole 6-1 (the second oil through hole 6-1 may be one or two or three or more than three, and is distributed on the distribution pipe body 6 according to actual conditions, for example, it may be distributed linearly, and the straight line is parallel to the axis of the distribution pipe body 6, or may be distributed irregularly), and in this embodiment 1, there are four second oil through holes 6-1 (see fig. 16 in detail) for flowing oil in the inner cavity of the distribution pipe into the oil injection device.

The material of the distributing pipe body 6 can be stainless steel plate of the following types, and is manufactured by cold rolling and/or hot extrusion and/or casting and/or forging and/or cold heading and/or cutting and other processes for manufacturing rough blanks:

china GB-06 Cr19Ni10, 022Cr19Ni10, Y12Cr18Ni9, 022Cr17Ni12Mo2, 06Cr18Ni11 2, 12Cr17Mn6Ni 52, 12Cr18Mn9Ni 52, 12Cr17 Ni2, 06Cr19Ni10 2, 06Cr19Ni9NbN, 022Cr19Ni10 2, 10Cr18 Ni2, 06C23 Ni2, 06Cr25Ni2, 06Cr17Ni12Mo2, 06Cr17Ni 22, 06Cr17Ni12Mo 22, 022Cr17Ni13Mo 2Mo2, 022Cr18Ni14Mo2Cu2, 06Cr19Ni13 Mo2, 022Cr19Ni13 Mo2, 06Cr18Ni11 2, Y2, 36Y 2, 3640Y 2, 36Y 36100Y 2, 2Y 36100Y 2 and 36100Y 2.

Japanese JIS- -SUS304, SUS304L, SUS316L, SUS321, SUS201, SUS202, SUS301, SUS304N1, SUS304N2, SUS304LN, SUS305, SUS309S, SUS310S, SUS316Ti, SUS316N, SUS316J1, SUS316J1L, SUS317L, SUS 347.

ASTM- -304, 304L, 316L, 321, 201, 202, 301, 304N, XM21, 304LN, 305, 306, 309S, 310S, 316Ti, 316N, 316LN, 317L, 347 in the United states.

Us UNS-S30400, S30403, S31603, S32100, S20100, S20200, S30100, S30451, S30452, S30453, S30500, S30908, S31008, S31600, S31635, S31651, S31653, S31700, S31703, S34700.

European EN-1.4301, 1.4302, 1.4303, 1.4304, 1.4305, 1.4306, 1.4307, 1.4308, 1.4309, 1.4310, 1.4401, 1.4402, 1.4403, 1.4404, 1.4405, 1.4406, 1.4407, 1.4408, 1.4409, 1.4410, 1.4372, 1.4373, 1.4319, 1.4315, 1.4833, 1.4845, 1.4571, 1.4429, 1.4438, 1.4541, 1.455.

German DIN-X5 CrNi18-10, X2CrNi19-11, X2CrNiMo17-12-2, X6CrNiTi18-10, X12CrMnNiN17-8-5, X12CrMnNiN18-9-5, X5rNi17-7, X5CrNiN19-9, X2CrNiN18-10, X4CrNi18-12, X12CrNi23-13, X8CrNi25-21, X5CrNiMo17-12-2, X6CrNiMoTi17-12-2, X2CrNiMoN17-13-3, X2CrNiMo18-15-4 and X6CrNiNb 18-10.

Korean KS-STS 304, STS304L, STS316L, STS321, STS201, STS202, STS301, STS304N1, STS304N2, STS304LN, STS305, STS309S, STS310S, STS316N, STS316LN, STS316J1, STS317L, STS 347.

The other end of the inner cavity 7 (namely the bottom 7-1 of the inner cavity, namely the bottom of the inner cavity of the distribution pipe close to one end of the sensor joint, the bottom 7-1 of the inner cavity is communicated with the inside 10-2 of the sensor joint through the first oil through hole 10-1 of the sensor joint) is conical (belongs to a conical condition), the stress concentration condition of the bottom 7-1 of the inner cavity can be further effectively improved, and the bottom can also be designed into a cylindrical shape, a spherical shape, a W-shaped shape, a chamfered angle or a shape formed by combining at least two shapes of the cylindrical shape, the conical shape, the spherical shape, the W-shaped shape, the chamfered angle and the chamfered angle according to actual conditions, so that the requirements of different conditions. The knuckle 9 at the other end of the inner cavity 7 (i.e. the bottom 7-1 of the inner cavity) is in arc transition (such as an R angle or a C angle), and the arc transition can help to effectively reduce stress concentration, effectively protect the bottom 7-1 of the inner cavity and prolong the service life of the distribution pipe; the R angle of the arc transition at the break angle 9 is at least 0.1 mm, and in this embodiment 1, the R angle of the arc transition at the break angle 9 is 2 mm.

The cross section of the inner cavity 7 is circular, and can be designed into a square, a rectangle, an ellipse, a trapezoid, a regular pentagon, a regular hexagon, a regular polygon or an irregular polygon according to actual conditions, and the combination of at least two shapes can meet the requirements of different conditions.

The cross section formed on the outer edge of the distribution pipe body 6 is circular, and can be designed into a square, a rectangle, an ellipse, a trapezoid, a regular pentagon, a regular hexagon, a regular polygon or an irregular polygon according to actual conditions, and the combination of at least two shapes meets the requirements of different conditions.

The axis of distributing pipe body 6 and the axis coincidence of inner chamber 7 can help inner chamber 7 to be in distributing pipe body 6 central point and put, and is rational in infrastructure, ensures that each position homoenergetic of distributing pipe body 6 can bear pressure in the inner chamber 7.

The minimum thickness of distributing pipe body 6 is at least 1 millimeter, and the wall thickness that the sensor connects is at least 1 millimeter, and the degree of depth of inner chamber 7 is 1 ~ 1000 millimeters. Since the cross-sectional shape of the inner chamber 7 is circular and the cross-sectional shape formed by the outer edge of the distribution pipe body 6 is circular, the thickness of the distribution pipe body 6 in this embodiment 1 is 4.5 mm, the wall thickness of the sensor joint 10 is 9 mm, and the depth of the inner chamber 7 is 329 mm.

The cross-sectional shape of the connection point (i.e., the part a-a) where the sensor connector 10 and the dispensing tube body 6 are integrally formed is a circle (see fig. 5), and may be designed and processed into a square (see fig. 6), a rectangle (see fig. 7), an ellipse (see fig. 8), a trapezoid, a quincunx (see fig. 10), a gear shape (see fig. 11), a regular pentagon (see fig. 9), a regular hexagon, a regular polygon, or an irregular polygon, or a shape formed by combining at least two shapes of a circle, a square, a rectangle, an ellipse, a trapezoid, a quincunx, a gear shape, a regular pentagon, a regular hexagon, a regular polygon, and an irregular polygon, in addition to a circle. The design is convenient for assembling and disassembling other parts on the sensor joint.

The utility model discloses the concrete advantage that the product is right embodies as follows:

(in the above table, Y is YES; N is NO)

(in the above table, MPa is MPa; cc/min is ml per minute)

(in the above table, MPa is MPa)

The utility model discloses well hardness test and the contrast of distributing pipe see the following figure, it is right the utility model discloses a distributing pipe part (distributing pipe body promptly) carries out hardness detection (vickers hardness HV). Equally cutting the distribution pipe parts into 10 sections of detection sample pieces, and placing the detection sample pieces into a hardness tester for detection. Compare hardness data and the hardness of traditional seamless pipe, the utility model discloses a distributing pipe hardness is slightly superior to the hardness of traditional distributing pipe.

The utility model discloses the detection and the contrast of the material grain size of distributing pipe see the following figure, right the distributing pipe of the utility model carries out the inspection (100x, 500x) of microcosmic grain size. The distribution pipe parts are cut, the outer surface and the inner surface are detected by an instrument respectively, and the outer surface and the inner surface are inspected by grades of 100x and 500 x. Contrast the microcosmic grain size of image picture and traditional seamless pipe, the utility model discloses a grain size of distributing pipe is more tiny, more compact, and its metal strength, hardness are higher, and plasticity, wilfulness are better.

The utility model discloses the experimental test of pressure pulsation and the contrast of well distributing pipe see the lower picture, it is right the utility model discloses a distributing pipe carries out the pressure pulsation test. The dispensing line parts (i.e. the dispensing line body 6) were mounted on a pressure pulsation apparatus and tested separately using 2 levels of pressure. Compare data and the data of traditional seamless pipe, the utility model discloses a distributing pipe pressure resistance, fatigue resistance can be more outstanding.

Referring to fig. 12, embodiment 2, the present invention provides an integral sensor joint sealed distribution pipe, where embodiment 2 is substantially the same as embodiment 1, except that: the other end of the inner cavity 7 (namely the bottom 7-1 of the inner cavity) is cylindrical; the knuckle 9 at the other end of the inner cavity 7 (i.e. the bottom 7-1 of the inner cavity) is in arc transition (such as an R angle or a C angle), and the arc transition can help to effectively reduce stress concentration, effectively protect the bottom 7-1 of the inner cavity and prolong the service life of the distribution pipe; the R angle of the arc transition at the break angle 9 is at least 0.1 mm, and in this embodiment 2, the R angle of the arc transition at the break angle 9 is 2 mm.

Meanwhile, the cross-sectional shape of the connection point (see fig. 12, i.e., the portion B-B) where the sensor connector 10 and the dispensing tube body 6 are integrally formed is a circle (see fig. 5), and may be designed and processed into a square shape (see fig. 6), a rectangle shape (see fig. 7), an ellipse shape (see fig. 8), a trapezoid shape, a quincunx shape (see fig. 10), a gear shape (see fig. 11), a regular pentagon shape (see fig. 9), a regular hexagon shape, a regular polygon shape, or an irregular polygon shape, or a shape formed by combining at least two shapes of a circle, a square, a rectangle, an ellipse, a trapezoid, a quincunx shape, a gear shape, a regular pentagon shape, a regular hexagon shape. The design is convenient for assembling and disassembling other parts on the sensor joint.

Referring to fig. 13, embodiment 3, the present invention provides an integral sensor joint sealed distribution pipe, embodiment 4 is substantially the same as embodiment 1, except that: the other end of the inner cavity 7 (namely the bottom 7-1 of the inner cavity) is spherical, so that the stress concentration condition of the bottom 7-1 of the inner cavity can be effectively improved.

Meanwhile, the cross-sectional shape of the joint (see fig. 13, i.e., the C-C portion) where the sensor connector 10 and the dispensing tube body 6 are integrally formed is circular (see fig. 5), and may be designed and processed into a square shape (see fig. 6), a rectangle shape (see fig. 7), an ellipse shape (see fig. 8), a trapezoid shape, a quincunx shape (see fig. 10), a gear shape (see fig. 11), a regular pentagon shape (see fig. 9), a regular hexagon shape, a regular polygon shape, or an irregular polygon shape, or a shape formed by combining at least two shapes of a circle, a square, a rectangle, an ellipse, a trapezoid, a quincunx shape, a gear shape, a regular pentagon shape, a regular hexagon shape, a. The design is convenient for assembling and disassembling other parts on the sensor joint.

Referring to fig. 14, embodiment 4, the present invention provides an integral sensor joint sealed distribution pipe, embodiment 5 is substantially the same as embodiment 1, except that: the other end of the inner cavity 7 (namely the bottom 7-1 of the inner cavity) is W-shaped (namely the cross section of the central axis of the distribution pipe body 6 at the bottom of the inner cavity, or the bottom 7-1 of the inner cavity is W-shaped), so that the stress concentration condition of the bottom 7-1 of the inner cavity can be effectively improved. The break angle 9 at the other end of the inner cavity 7 (namely the bottom 7-1 of the inner cavity) is in arc transition, and the arc transition can help effectively reduce stress concentration, effectively protect the bottom 7-1 of the inner cavity and prolong the service life of the distribution pipe; the R angle of the arc transition at the break angle 9 is at least 0.1 mm, and in this embodiment 2, the R angle of the arc transition at the break angle 9 is 2 mm.

Meanwhile, the cross-sectional shape of the connection portion (see fig. 14, i.e., the portion D-D) where the sensor connector 10 and the dispensing tube body 6 are integrally formed is a circle (see fig. 5), and may be designed and processed into a square shape (see fig. 6), a rectangle shape (see fig. 7), an ellipse shape (see fig. 8), a trapezoid shape, a quincunx shape (see fig. 10), a gear shape (see fig. 11), a regular pentagon shape (see fig. 9), a regular hexagon shape, a regular polygon shape, or an irregular polygon shape, or a shape formed by combining at least two shapes of a circle, a square, a rectangle, an ellipse, a trapezoid, a quincunx shape, a gear shape, a regular pentagon shape, a regular hexagon shape. The design is convenient for assembling and disassembling other parts on the sensor joint.

Referring to fig. 15, embodiment 5, the present invention provides an integral sensor joint sealed distribution pipe, where embodiment 5 is substantially the same as embodiment 1, except that: the shape of the other end of the inner cavity 7 (i.e., the bottom 7-1 of the inner cavity) is a combined structure of the inner cavity 7 (i.e., a shape formed by combining at least two of a cylindrical shape, a conical shape, a spherical shape, a straight chamfer angle, and a round chamfer angle and communicating with each other), in this embodiment 5, the cylindrical shape and the spherical shape are combined to form the structure of the inner cavity 7, and at this time, the spherical shape is located at the top of the cylindrical shape and is closer to the sensor connector 10, so that the stress concentration condition of the bottom 7-. The break angle 9 at the other end of the inner cavity 7 (namely the bottom 7-1 of the inner cavity) is in arc transition, and the arc transition can help effectively reduce stress concentration, effectively protect the bottom 7-1 of the inner cavity and prolong the service life of the distribution pipe; the R angle of the arc transition at the break angle 9 is at least 0.1 mm, and in this embodiment 2, the R angle of the arc transition at the break angle 9 is 2 mm.

Meanwhile, the cross-sectional shape of the connection portion (see fig. 15, i.e., the portion E-E) where the sensor connector 10 and the dispensing tube body 6 are integrally formed is a circle (see fig. 5), and may be designed and processed into a square shape (see fig. 6), a rectangle shape (see fig. 7), an ellipse shape (see fig. 8), a trapezoid shape, a quincunx shape (see fig. 10), a gear shape (see fig. 11), a regular pentagon shape (see fig. 9), a regular hexagon shape, a regular polygon shape, or an irregular polygon shape, or a shape formed by combining at least two shapes of a circle, a square, a rectangle, an ellipse, a trapezoid, a quincunx shape, a gear shape, a regular pentagon shape, a regular hexagon shape. The design is convenient for assembling and disassembling other parts on the sensor joint.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same way in the protection scope of the present invention.

Claims

1. The utility model provides an integral type sensor connects sealed distributing pipe, includes that distributing pipe body, sensor connect, this internal inner chamber that is equipped with of distributing pipe, sensor connect and are equipped with first oil through hole, its characterized in that in: the inner chamber one end opening, the distributing pipe body and the sensor of the inner chamber other end connect and form integrated into one piece's seal structure, and the first oil through hole intercommunication inner chamber that the sensor connects is inside with the sensor connects.

2. The dispensing tube of claim 1, wherein the one-piece sensor joint seal comprises: and at least one second oil through hole is formed in the distribution pipe body.

3. The dispensing tube of claim 2, wherein the one-piece sensor connector seal comprises: the other end of the inner cavity is in a shape of a cylinder, a cone, a spherical surface, a W shape, a right angle or a rounded corner, or a shape formed by combining at least two shapes of the cylinder, the cone, the spherical surface, the W shape, the right angle and the rounded corner.

4. The dispensing tube of claim 3, wherein the one-piece sensor connector seal comprises: the cross section of the inner cavity is in a shape of a circle, a square, a rectangle, an ellipse, a trapezoid, a regular pentagon, a regular hexagon, a regular polygon or an irregular polygon.

5. The dispensing tube of claim 4, wherein the one-piece sensor connector seal comprises: the cross section formed by the outer edge of the distribution pipe body is in a circular or square or rectangular or oval or trapezoid or regular pentagon or regular hexagon or regular polygon or irregular polygon shape.

6. The dispensing tube of claim 5, wherein the one-piece sensor connector seal comprises: and the corner at the other end of the inner cavity is in arc transition.

7. The dispensing tube of claim 6, wherein the one-piece sensor connector seal comprises: the R angle of the arc transition at the break angle is at least 0.1 mm.

8. The dispensing tube of claim 7, wherein the one-piece sensor connector seal comprises: the central axis of the distribution pipe body is superposed with the central axis of the inner cavity.

9. The dispensing tube of claim 8, wherein the one-piece sensor adapter seal comprises: the minimum thickness of the distribution pipe body is at least 1 mm; the wall thickness of the sensor joint is at least 1 mm; the depth of the inner cavity is 1-1000 mm.

10. The dispensing tube of any one of claims 1 to 9, wherein the one-piece sensor fitting seal comprises: the cross section of the joint of the sensor connector and the distribution pipe body is in a shape of a circle, a square, a rectangle, an ellipse, a trapezoid, a quincunx, a gear, a regular pentagon, a regular hexagon, a regular polygon or an irregular polygon, or a shape formed by combining at least two shapes of a circle, a square, a rectangle, an ellipse, a trapezoid, a quincunx, a gear, a regular pentagon, a regular hexagon, a regular polygon and an irregular polygon.